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Author Topic: PLACER GOLD IN THE YUKON - HOW TO FIND IT !  (Read 37589 times)

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Offline Steppegold

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PLACER GOLD IN THE YUKON - HOW TO FIND IT !
« on: February 06, 2007, 11:56:23 AM »
Hi folks - looking for placer gold in the Yukon?

Here is my YUKON LIST of papers, reports and articles on placer gold.
If anyone can add to it, or correct it, then please do!

There is A LOT written in books, papers and reports on placer gold in the YUKON.
Often these can be of priceless value to the recreational miner, geologist, mining company or whatever.
So this thread is where I'll post my list for YUKON.
Feel free to add to the thread, but please stick to YUKON or it'll be a big puddin'y mess!

Whenever I can, I've added INTERNET LINKS - there is a lot of stuff out there you can download free of charge.

It's going to to be in alphabetical order, A-Z.
Hopefully I can,or YOU can, update it as it will always be out of date.

cheers
 ;D
Steppe

Offline Steppegold

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PLACER GOLD IN THE YUKON - ANNUAL REPORTS
« Reply #1 on: February 06, 2007, 12:09:28 PM »
Series of Annual Reports on Yukon Geology, Mining and Placer Industry

Bostock, H S. (1937). Mining Industry of Yukon, 1936.
Geological Survey of Canada, Memoir #209, 1937, 13 pages.

Debicki, R.L. (1983). An overview of the placer mining industry in the Yukon.
In: Yukon Placer Mining Industry 1978-1982. Exploration and Geological Services Division, Yukon. Indian and Northern Affairs, Canada.

Mining Inspection Division (1996). Yukon Placer Industry 1993-1994.
Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 163 pages. ISBN 0-662-24110-X
download in ACROBAT from: www.geology.gov.yk.ca

Mining Inspection Division (1998). Yukon Placer Industry 1995-1997.
Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 173 pages. ISBN 0-662-26680-3
download in ACROBAT from: www.geology.gov.yk.ca   

Mining Inspection Division (2003). Yukon Placer Mining Industry 1998-2002, An Overview of Activity and Production
pages 5–14, in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.

Mining Inspection Division (2003). Fineness of Yukon Placer Gold.
pages 15-16 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
The fineness of Yukon placer gold is tabulated and shown to range from 605 in Henry Gulch to as high as 960 in ‘65 Pup’.

Mining Inspection Division (2003). Robert E Leikie Award for Outstanding Reclamation Practices.
pages 17-22 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
The Yukon Award scheme commenced in 1999, and the 1999 winner was Tic Exploration Ltd for its Gladstone Creek Mine, that uses 2 floating wash-plants of NZ type, with trommels feeding hydraulic riffles over Nomad matting. Rehabilitation is continuous with the mining and the dredge ponds are reclaimed on an annual basis. The 2000 winner was Grew Creek Ventures Ltd’s Hunker Creek Mine for clearing up debris from previous miners, contouring the tailings to a gentle topography and spreading black muck over the tailings to promote rapid re-vegetation, as well as establishing a wide stable stream channel and small ponds to enhance local wildlife. A Special ‘Long-Time Achievement in Mine Reclamation’ award was made in 2001 to Norman Ross of Ross Mining Ltd, with recognition of that company’s annual reclamation since the early 1980s of the Dominion Creek Mine, creating a landscape of rolling hills, small lakes and stable and productive streams, with the wetlands favoured by migratory wildlife and moose use the willow-rich area to calve each year. The 2001 winner was T.D. Oilfield Services Ltd’ Hunker Creek Mine for rehabilitation to a “better than natural” landscape incorporating extensive new wetlands and grasslands, and the same company was again winner in 2002 for restoration of the river bank of the Indian River as part of a continuous reclamation programme in which tailings mounds are completely flattened and overburden spread evenly over the whole area.

Mining Inspection Division (2003). Klondike Placer Area.
pages 43-48 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
8 placer gold mines are described in this part of the Yukon. Wash-plants include a 5x10ft oscillating screen deck feeding a single sluice run equipped with 1-inch riffles and expanded metal on Nomad matting; a screen deck feeding 2 6x2ft runs with metal riffles and Nomad matting; an old push-in box leading to a single sluice run ; a double-deck screen feeding 3 sluice runs totalling 7ft wide and 21 ft long, equipped with 1¾inch angle iron riffles, expanded metal and matting; a 10ft long derocker feeding a 3ft wide x 40ft long sluice run with expanded metal riffles over Nomad matting; a scrubber-type trommel 4ft diameter x 32ft long feeding 2 sets of sluices with permutations of expanded metal, hydraulic riffles and Nomad matting.

Mining Inspection Division (2003). Klondike: Bonanza-Hunker Placer Area.
pages 49-86 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
52 placer gold mines are described in this part of the Yukon. Wash-plants include diverse classifiers : derockers, trommels (incl scrubbers) and shaking screens, even a dump box fitted with a water monitor. Gold recovery is all by sluices (incl. many hydraulic riffles, angle iron riffles, oscillating sluices and one example of ‘pulsating riffles’. Matting was widely used, mainly of Nomad matting plus 2 examples of Astroturf matting, and 1 example each of Monsanto matting and rubber matting, and a few examples of sluices with punch plates. Most are land-based but a few pontoon-based floating wash-plants are present. At one mine a small dragline (Bacyrus-Eyrie 20b model with ½ yard bucket) is used to feed a washplant and clear out the settling ponds. At several mines, excavation is assisted by hydraulic stripping using water cannons (monitors). A few of the mines have New Zealand-style fully-mobile skid-mounted wash-plants with hopper feeding a trommel that supplies slurry to sluice runs with hydraulic riffles.

Mining Inspection Division (2003). Klondike: Indian River Placer Area.
pages 87-94 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
8 placer mining sites described. Wash-plants include variants on New Zealand-style skid-mounted wash-plants; dump boxes with punch plates feeding sluice runs; screen decks including double-decker screens and a Super Sluice IV screen, sluice runs with Hungarian riffles, expanded metal and Nomad matting etc. At one mine, an experimental wash-plant with a magnetic recovery system is being tested to separate black sand from fine gold using rare earth magnetics after drying. At one mine a small dragline (P&H 1¼ -yard bucket dragline) digs reservoirs and clear out the settling ponds.

Mining Inspection Division (2003). Klondike: Dominion-Sulphur Placer Area.
pages 95-120 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
31 placer mining sites described. Wash-plants include: dump boxes, trommels, large scrubbers with trommel section, six ELRUSS inclined double screen deck shaker plants, double decker screens, screens, a Tyroc vibratory double deck screen, a Hewett Robbins screen deck, a Clemro horizontal double screen wash deck, a Derocker, a rock kicker to remove oversize from a conveyor, oscillating sluices, Ross-type sluices, sluices lined with expanded metal, hydraulic riffles, Hungarian riffles made of angle iron, punch plates, a Super Sluice fitted with hydraulic riffles and a set of 4ftx4ft jig cells. Matting including mainly Nomad matting plus one instance of outdoor matting. Several mines undertake hydraulic stripping by water from monitors.

Mining Inspection Division (2003). Fortymile Placer Area.
pages 121-124 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
3 placer mining sites described. Wash-plants include: dump box, trommel, punch plate screen, hydraulic riffles, a pontoon-based wash-plant of New Zealand type, sluices with angle iron riffles, and a shaking sluice box with angle iron riffles on Nomad matting.

Mining Inspection Division (2003). Sixtymile Placer Area.
pages 125-136 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
16 placer mining sites described. Wash-plants include: double-deck screen, single deck screens, a water monitor assisting washing, trommels, a wash-plant of New Zealand type. Sluices often have hydraulic riffles, Hungarian riffles or angle iron riffles, and one wash-plant was a Super Sluice II. Matting includes one example of Astro-Turf.

Mining Inspection Division (2003). Moosehorn Placer Area.
pages 139-140 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
3 placer mining sites described. Wash-plants include: wet dump boxes and sluices with hydraulic riffles, and a screen deck.

Mining Inspection Division (2003). South Klondike Placer Area.
pages 141-150 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
15 placer mining sites described. Wash-plants include: Derocker, vibrating screen deck, Clemroe screening plant, screen deck with Z box, trommel, trommel with reverse spirals, sluices equipped with flat bar, hydraulic riffles, expanded metal, matting including Nomad matting, some sluices with punch plate, a triple-run sluice, and a floating trommel.

Mining Inspection Division (2003). Selwyn Placer Area.
pages 151-152 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
1 placer mining site described. This is an extremely isolated site, accessible only by winter road or by air.

Mining Inspection Division (2003). South McQuesten Placer Area.
pages 153-160 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
11 placer mining sites described. Wash-plants include: a vibrating screen, a shaker plant, a Super Sluice 6, Meredith Box (similar to a Ross Box), trommel, single deck screens, double deck screens, Sluices often have hydraulic riffles, angle iron riffles or expanded metal. One instance of an oscillating sluice is present. Matting includes Nomad matting, other synthetic matting and one instance of a wool blanket. One mine has a unique home-made aluminium trommel for ease of mobility.
 
Mining Inspection Division (2003). Duncan Creek Placer Area.
pages 171-180 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
14 placer mining sites described. Wash-plants include: Derockers, a vibrating grizzly, single deck screens, Dillan screen deck, trommels including a reverse spiral trommel. Sluices often have hydraulic riffles, expanded metal or  angle iron riffles. Sluices included 1 oscillating sluice and 1  undercurrent sluice, Matting included Nomad matting.

Mining Inspection Division (2003). Big Creek-Nansen Placer Area.
pages 181-186 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
9 placer mining sites described. Wash-plants include: a trailer-mounted trommel, a hydraulic finger grizzly, a vibrating grizzly, a vibrating screen, double deck screen plant, Sluices are diverse, including live bottom sluices, a triple run sluice and 1 set of oscillating sluices. Some sluices have expanded metal or angle iron riffles. One mine does hydraulic stripping using a water monitor.

Mining Inspection Division (2003). Kluane Placer Area.
pages 187-190 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
7 placer mining sites described. Wash-plants include: a hydraulic dump box with a fixed push ram, a shaker wash-plant, trommels and oscillating punch plate. Sluices include hydraulic riffles, angle iron riffles and expanded metal, Matting includes Nomad matting.

Mining Inspection Division (2003). Kimberley Placer Area.
pages 195-196 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
1 placer mining site described, with its wash-plant being a trommel and stacker, with the minus 1-inch fraction going to a 24-inch by 24-inch hydraulic jig.

Mining Inspection Division (2003). Dollis Placer Area.
pages 197-198 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
1 placer mining site described, with its wash-plant being a 7½ft diameter by 60ft trommel.

Mining Inspection Division (2003). Sidney Creek Placer Area.
pages 201-202 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
1 placer mining site described, with its wash-plant being a trommel.

Mining Inspection Division (2003). Little Atlin Placer Area.
pages 203-204 in: Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs Canada 214 pages.
download in ACROBAT from: www.geology.gov.yk.ca
1 placer mining site described, with its wash-plant being a dump box fed to a grizzly and then into a long tom sluice.

Offline Steppegold

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A - PLACER GOLD IN THE YUKON
« Reply #2 on: February 06, 2007, 12:21:11 PM »
A - YUKON

Adney, E.T. (1900). The Klondike Stampede of 1897-1898.
Ye Galleon Press, Fairfield, Washington (2nd edition 1968)

Allen, T.L., C.J.R. Hart and E.E. Marsh (1999). Placer gold and associated heavy minerals of the Clear Creek drainage, central Yukon: Past to present.
In: Yukon Exploration and Geology 1998, C.F. Roots and D.S. Emonds (editors), Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada, pages 197-214.

Anon (1980). Fish and wildlife habitat recovery in placer-mined areas of the Yukon Territory.
Hardy Associates (1978) Ltd for the Department of Indian and Northern Affairs.

Anon (1981). Water Use Technology for Placer Mining Effluent Control.
Prepared by Sigma Resource Consultants Ltd for the Department of Indian Affairs and Northern Development, Whitehorse, Yukon.

Anon (1983). An Assessment of the Proposed Yukon Placer Mining Guidelines.
Prepared by IEC Beak Consultants Ltd for the Klondike Placer Miners Association.

Anon (1983). The Attainment and Cost of Placer Mining Effluent Guidelines.
Prepared by the Department of Fisheries and Oceans and Environment Canada for the Interdepartmental Committee on Placer Mining, Whitehorse, Yukon.

Anon (1983). A rationale for the suspended solids standards for Yukon streams subject to placer mining.
DFO (Department of Fisheries and Oceans). Report to Interdepartmental Committee on Placer Mining, New Westminster, Canada.

Anon (1984). A Study of Polyacrylamide Flocculants in the Yukon Placer Mining Industry.
Prepared by Reid Crowther and Partners Ltd and Bathell Management for the Department of Indian Affairs and Northern Development.

Anon (1984). 1984 Placer Mine Inspection Data.
Water Resources Division of the Department of Indian Affairs and Northern Development, Whitehorse.

Anon (1985). Development and Demonstration of Treatment Technology for the Placer Mining Industry.
Prepared by Stanley Associates Engineering Ltd and Canviro Consultants Ltd for Environment Canada.

Anon (1987). Investigation of the magnitude and extent of sedimentation from Yukon placer mining operations.
Prepared by Envirocon Ltd for Indian and Northern Affairs Canada. 60 pages. Environment Studies (Canada. Indian and Northern Affairs Canada) #45. ISBN  0662152719 
Investigation of placer mining (for gold) activities in 6 Yukon watersheds including 51 mines and collection of field data on types of soils, types and status of settling facilities and water quality of the receiving streams. 

Anon (1989). Yukon Placer Feasibility Study.
Norecol Environmental Consultants Ltd. Unpublished report prepared for Yukon Placer Implementation Review Committee.

Anon (1989). Placer Mining Design Handbook.
1st edition. Yukon Territory Water Board. 45 pages.

Anon (1990). Placer Mining Design Handbook.
2nd edition. Yukon Territory Water Board. 45 pages

Anon (1991). Guidelines for the Design and Construction of Stream Channels for Yukon Placer Mined Streams:
3rd edition. Hardy BBT Limited. Report prepared for Fisheries and Oceans Canada, Pacific Region. 95 pages.

Anon (1992). Yukon Placer Mining Study: Volume I: Executive Summary.
Seakem Group Ltd., in association with: Northwest Hydraulic Consultants Ltd., North/South Consultants Inc. and ARA Consulting Group Inc. Report prepared for Yukon Placer Mining Implementation Review Committee. 17 pages.

Anon (1992). Yukon Placer Mining Study: Volume II: Reports of Principal Investigators.
Seakem Group Ltd., in association with: Northwest Hydraulic Consultants Ltd., North/South Consultants Inc. and ARA Consulting Group Inc. Report prepared for Yukon Placer Mining Implementation Review Committee, 241 pages.

Anon (1992). Yukon Placer Mining Study: Volume III (Part A): Data Appendices.
Seakem Group Ltd., in association with: Northwest Hydraulic Consultants Ltd., North/South Consultants Inc. and ARA Consulting Group Inc. Report prepared for Yukon Placer Mining Implementation Review Committee.

Anon (1992). Yukon Placer Mining Study: Volume III (Part B): Data Appendices.
Seakem Group Ltd., in association with: Northwest Hydraulic Consultants Ltd., North/South Consultants Inc. and ARA Consulting Group Inc. Report prepared for Yukon Placer Mining Implementation Review Committee.

Anon (1999). Handbook of Reclamation Techniques in the Yukon.
Yukon Placer Mining Land Use Regulations. Laberge Environmental Services, on behalf of the Mineral Resources Directorate, Yukon. Published under the authority of the Ministry of Indian Affairs and Northern Affairs and Northern Development, Ottawa. ISBN 0-662-27649-3.
download in ACROBAT from: www.geology.gov.yk.ca   

Anon (2005). An Integrated Regulatory Regime for Yukon Placer Mining.
Final Report to the Minister of Fisheries and Oceans. Prepared by the Yukon Placer Implementation Steering Committee and the Yukon Placer Working Committee. 38 pages.
download in ACROBAT from: www.yukonplacersecretariat.ca/documents/yukon_placer_regime_final_report.pdf

Anon (2005). A New Regulatory Regime for Yukon Placer Mining - May/June 2006.
Prepared for Community and First Nation Information Meetings. Yukon Placer Secretariat.
download in ACROBAT from: www.yukonplacersecretariat.ca/documents/phase1presentation.pdf

Atkins-Baker, Sara (1980). In situ bioassay study at a gold placer mining area in Yukon using arctic grayling.
Environmental Protection Service, Yukon Branch, 1980.  ix + 27 pages.
The study was conducted as an experiment with the technique of in-situ bioassays. 8 stations were selected on placer mined creeks in the Dawson area of Yukon, to test the effect of water quality on locally captured arctic grayling fish. 

Averill, D.W. (1984). Commentary on Placer Mining Effluent Treatment.
Environmental Protection Service, Burlington, Ontario.

Offline Steppegold

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B - PLACER GOLD IN THE YUKON
« Reply #3 on: February 06, 2007, 12:35:42 PM »
B - YUKON

Berry, T.F. (1985). Concentration of Gold from the Yukon Placers.
Mineral Sciences Laboratories, Canada Center for Minerals and Energy Technology (CANMET), Ottawa, Canada.

Bond, Jeffrey David (1997). Late Cenozoic history of McQuesten map area, Yukon Territory, with applications to placer gold research.
xii+161 pages. MSc dissertation, Department of Earth and Atmospheric Sciences. University of Alberta.
download in ACROBAT from: www.nlc-bnc.ca/obj/s4/f2/dsk2/ftp04/mq21154.pdf 

Brady, M.A. (1984). Natural revegetation of mining disturbances in the Klondike area, Yukon Territory.
M.Sc. thesis, Faculty of Forestry, University of British Columbia, Vancouver. 122 pages + appendices.
Demonstrates that rehabilitation objectives can be clearly defined by closer understanding of the natural recovery processes. The optimum reclamation of placer mine sites is possible under a set of specific conditions (e.g. slope, moisture holding capacity, grain-size of substrate, natural seed sources and microclimate), therefore intervention (contouring, fertilising and reseeding) can be kept to a minimum.

Brent, Diane (1995). Light Auger Drilling for Placer Prospecting in the Klondike District, Yukon. A Pilot Project. Prepared for Canada/Yukon Economic Development Agreement, Open File Report 1995-13 (G). Indian and Northern Affairs Canada; Northern Affairs: Yukon Region, 69 pages + Appendix.
download in ACROBAT from: www.geology.gov.yk.ca/publications/openfile/1995/of1995_13(g).pdf
Results of testing a prototype mobile, lightweight, low ground impact, all-terrain (ATV) mounted drill for grassroots placer exploration. The ATV drill drilled 23 holes (89mm and 114mm diameter, maximum of 11 metres depth) at 10 sites in the Klondike placer gold mining district. Holes were drilled until either bedrock or “refusal” were encountered. The ATV drill achieved penetration rates ranging from 0.9 metres/hour in frozen sandy pebble/cobble gravel to 10 metres/hour in unfrozen loose “muck”. The ATV drill proved gold in 5 out of 6 holes drilled alongside gold- bearing larger diameter holes. The ATV drill is transportable by helicopter (albeit of medium-sized). The author considers the ATV drill to be promising, particularly as a prospecting drill in new areas and suggests various improvements.

Offline Steppegold

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C - PLACER GOLD IN THE YUKON
« Reply #4 on: February 06, 2007, 12:45:11 PM »
C - YUKON

Clarkson, Randy (1989). Gold Recovery Project, Feasibility Analysis.
Report prepared for the Klondyke Miners Association.

Clarkson, Randy (1989). Gold Losses at Klondyke Placer Mines. Gold Recovery Project (Phase 1). (May 1989).
Report prepared for the Klondyke Miners Association. New Era Engineering, Yukon. 42 pages + Appendix of 2 pages and 19 figures. Available from: Northern Affairs Program, Whitehorse, Yukon.
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/gold_loss.pdf
ESSENTIAL READING – results of 1998 Sampling Programme using rigorous conventional tests of %gold recovery in Klondike placer gold mines. The author stresses that sluices are “very simple, reliable, inexpensive and yield very high concentration ratios.” The results show that a sluicebox is capable of recovering up to 95% of the gold particles as fine as 150 mesh provided a set of 9 main conditions are met, but “sluiceboxes may not be adequate” if the placer has any of the following 3 characteristics: a) very fine pay gravels with abundant clays or fine silts; b) a high proportion of high density materials; or c) extremely fine (150 mesh) or flattened gold particles. The study calculated the head grade by adding the gold recovered in the sluices to the gold recovered in the tailings, with much variation due to a) the nugget effect and b) the intrinsic variation in the gold grade of placers. The author reviews a list of popular myths about sluices held by miners and researchers.

Clarkson, Randy; and Owen Peer (1990). An Analysis of Sluicebox Riffle Performance.
New Era Engineering Corporation, Yukon. Report prepared for the Klondyke Placer Miners Association. 31 pages.
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/analysis_sluice.pdf
ESSENTIAL READING – presents results of using gold radiotracers to determine the extent and causes of gold losses at placer mines  in the Yukon during the 1989 Radiotracer Test Program.

Clarkson, Randy (1990). The Use of Radiotracers to Determine Gold Losses at Klondike Placer Mines (1989 mining season).
Report prepared for the Klondike Placer Miners Association. Published and distributed by DIAND. Available from: Northern Affairs Program, Whitehorse, Yukon.
download in ACROBAT from: www.geology.gov.yk.ca
ESSENTIAL READING – presents results of observing different types of sluices in flumes, with different types of matting, angles of slope, etc, and determining the gold recovery.

Clarkson, Randy (1990). Gold Losses at Klondike Placer Mines - 1990 Results.
Presented at 18th Annual Yukon Geoscience Forum, Whitehorse, Yukon, November 1990.

Clarkson, Randy (1990). An Analysis of Sluicebox Riffle Performance.
Report prepared for the Klondike Placer Miners Association, available at DIAND.
download in ACROBAT from: www.geology.gov.yk.ca
ESSENTIAL READING - rigorous pilot scale testwork determined the hydraulics and recovery performance of various riffle layouts and matting designs.

Clarkson, Randy (1990). Evaluation of Yukon Sluicing Operations Using Radiotracer Gold. (summary).
Proceedings of 12th Annual Conference on Placer Mining, Fairbanks, Alaska, March 1990.

Clarkson, Randy (1990). The Use of Radiotracers to Assess Sluicebox Efficiency.
RMS Ross International Placer/Fine Gold Recovery Seminar, Richmond, British Columbia, March 1990.

Clarkson, Randy (1990). Placer Gold Recovery Research, Final Summary. (December 1990).
Report prepared for the Klondike Placer Miners Association. Published by DIAND.
download in ACROBAT from: www.geology.gov.yk.ca
ESSENTIAL READING - summarises 3 field sampling programs and a laboratory research programme spanning 3 years and 35 tests at 26 placer mines in the Yukon.

Clarkson, Randy (1993). An Evaluation of the Gold Recovery of Placer Drills Using Radiotracers.
Prepared for Canada/Yukon Economic Development Agreement, Open File Report 1993-3 (T). Indian and Northern Affairs Canada; Northern Affairs: Yukon 76 pages.
download in ACROBAT from: www.geology.gov.yk.ca
ESSENTIAL READING – presents detailed methodology and results of using gold radiotracers to evaluate the % gold recovery of placer drills (solid auger drills and reverse circulation) and performance of sample testing procedures.

Clarkson, Randy (1994). An Evaluation of the Gold Recovery of Placer Drills Using Radiotracers.
Alaska Miner, volume 22, page 14.

Clarkson, Randy (1994). The Use of Nuclear Tracers to Evaluate the Gold Recovery Efficiency of Sluiceboxes.
Canadian Institute of Mining and Metallurgy (CIMM) Bulletin, April 1994, pages 29-37.

Clarkson, Randy (1995). An Evaluation of the Gold Recovery of Placer Drills using Radiotracers (Part 2).
Report prepared for the Indian and Northern Affairs Canada, Northern Affairs: Yukon Region. 96 pages.
download in ACROBAT from: www.geology.gov.yk.ca/publications/openfile/1995/of 1995_1(t).pdf
ESSENTIAL READING – presents a second set of results of using gold radiotracers to evaluate the
% gold recovery of placer drills - see his 1993 paper for the first part of this research.

Clarkson, Randy (1996). The Use of Nuclear Tracers to Evaluate the Gold Recovery Efficiency of Sluiceboxes.
Randol Gold Forum '96. Randol International, Colorado USA.

Clarkson, Randy (1998). A Comparative Evaluation of Drilling Techniques for Deposits Containing Free Gold Using Radioactive Gold Particles as Tracers.
Published in the Pathways '98 Extended Abstracts Volume, British Columbia and Yukon Chamber of Mines. Pages 227-229.

Clarkson, Randy (1998). An Evaluation of Drilling Techniques, A comparative evaluation of drilling techniques for deposits containing free gold using radioactive gold particles as tracers. International California Mining Journal, January, 1998 pages 36-40.

Clarkson, Randy (1998). Radiotracers, A Revolutionary Method to Evaluate and Reduce Alluvial Gold Losses. 2nd National Conference on Mining and Quarrying, Linden Guyana.

Clarkson, Randy (2001). New Developments in the Alluvial Gold Mining Industry. 1. Development and Application of Radioactive Gold as Tracers.
read at: http://cmt-net.nrcan.gc.ca/era-e.htm (apparently now taken down)

Clarkson, Randy (2001). New Developments in the Alluvial Gold Mining Industry. 2. The Optimisation of Gold Recovery in Simple Sluiceboxes.
read at: http://cmt-net.nrcan.gc.ca/era-e.htm

Clarkson, Randy (2001). New Developments in the Alluvial Gold Mining Industry. 3. The Development of the Portable ‘Z’ Sluicebox.
read at: http://cmt-net.nrcan.gc.ca/era-e.htm

Clarkson, Randy (2001). New Developments in the Alluvial Gold Mining Industry. 4. A Comparison of the Free Gold Recovery of Various Drill Types.
read at: http://cmt-net.nrcan.gc.ca/era-e.htm

Clarkson, Randy (2003). A comparison of drilling techniques for deposits containing free gold using radiotracers: A summary of results.
Pages 31-34 in: Mining Inspectorate Division (2003). Yukon Placer Industry 1998-2002. Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs, Canada, 214 pages. ISBN 0-662-33838-3
download in ACROBAT from: www.geology.gov.yk.ca

Colp, Douglas B. (1982). Drilling Techniques and Evaluation of Placer Gold Deposits.
Presentation of Placer Mining, Short Course, at Department of Indian and Northern Affairs, Canada. Geology Section, April 1982, Whitehorse, Yukon.

Colp, Douglas B. (1982). Drilling Techniques and Evaluation of Placer Gold Deposits.
In: Yukon Placer Mining Industry 1978-1982, Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada, pages 18-34.

Colp, Douglas B. (1984). Mining and Recovery Techniques at Eagle Creek.
6th Annual Conference on Alaskan Placer Mining. University of Alaska, Mineral Industry Research Laboratory (MIRL) Report #46, pages 23-26.
order from MIRL: www.uaf.edu/sme/Mirlpub.html

Craig, D.B. (1995). Land Reclamation for Mineral Properties and Placer Mines in Yukon.
Unpublished report, Mineral Resources, Directorate, Yukon Region, Indian and Northern Affairs, Canada.

Craig, D.B.; J.E. Craig; K. Pelliter; D. Edmond; and H. Copeland (1998). Reclamation Practices and Research on Mineral Exploration Properties in the Yukon Territory.
Mineral Resources Directorate, Yukon Region, Indian and Northern Affairs, Canada, 36 pages. ISBN 0–662-26766-4

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D-E-F-G-H - PLACER GOLD IN THE YUKON
« Reply #5 on: February 06, 2007, 12:48:17 PM »
D - YUKON

Debicki, R.L. (1983). Placer Deposits: Their Formation, Evaluation and Exploitation.
Yukon Placer Mining Industry 1978-1982. Department of Indian Affairs and Northern Development DIAND, Whitehorse, Yukon, pages 18-35.

Duk-Rodkin, A. (1997). Glacially Deranged Drainages and Their Relation to Late Cenozoic Gold Distribution in the Dawson Area, Yukon Territory, Canada.
ABSTRACT, page 54 in: V.P. Afanasiev; N.N. Zintchouk; V.F. Krivonos; Y.T. Yanygin; and Tcherni (editors) (1997). Major geological and commercial types of placers and weathered rock mineral deposits, technology of estimation and development. Abstracts XIth International Symposium. Moscow-Dubna, 16-19th September 1997 / Moscow: IGEM of RAS. 231 pages.
further details: www.igem.ru/igem/orep/2-1-2

Duk-Rodkin, A.; R.W. Barendregt; J.M. White; and V.H. Singhroy (2001). Geologic evolution of the Yukon River: implications for placer gold.
Quaternary International, volume 82, pages 5-31.
The greatest placer potential in NW Canada is in preglacial drainage systems. The largest placer gold deposits are associated with Pliocene pre-glacial fluvial gravels of the Dawson Range (in particular Klondike Plateau) of west-central Yukon. The gold concentration in this area was controlled by streams’ ability to aggrade in response to changes caused by extensional faulting in the Tintina Trench, differential uplift, and regional denudation. Gold bearing gravels in the northern and eastern slopes of the Dawson Range are in low order tributaries of the pre-glacial south-flowing Yukon River. Glaciation masked and changed the direction of drainage, and creating new channels in this region.

E - YUKON
Ooops - anyone found a reference with E?

F - YUKON
Froese, D.G.; R.J. Enkin; and D.G. Smith (2001). Placer depositional settings and their ages along Dominion Creek, Klondike area, Yukon.
Yukon Exploration and Geology 2001, pages 159-169.

G - YUKON
Gilbert, G.W. (1989). A Brief History of Placer Mining in the Yukon.
download in ACROBAT from: www.geology.gov.yk.ca/publications/yplacer/history_placer.pdf

H - YUKON
Hamilton, James Frederick (1988). A study of the fine gold recovery of selected sluicebox configurations.
M.A.Sc. thesis, University of British Columbia. ISBN: 0315447133

Hakonson, G. (19XX). Testing and Mining Low Grade High Volume Placer Alluvals on the Sixty Mile River in Canada’s Yukon Territory.

Hein, F.J.; and William P. LeBarge (1997). Geologic Setting and Stratigraphic Framework of Placer Deposits, Mayo Mining District, Central Yukon.
In: William P. LeBarge and C.F. Roots (editors). Yukon Quaternary Geology Volume 2, Exploration and Geological Services Division, Northern Affairs Program, Yukon Region, pages 10-29.

Hester, B.W. (1970). Geology and Evaluation of Placer Gold Deposits in the Klondike Area, Yukon Territory.
Institute of Mining and Metallurgy volume 79 pages B60-67.

Hughes, R.L. (1986). Placer Gravels, Sixtymile River Area, Yukon Territory.
Unpublished MSc thesis, University of Alberta, Edmonton, Alberta.

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I-J-K-L - PLACER GOLD IN THE YUKON
« Reply #6 on: February 08, 2007, 05:00:51 AM »
I - YUKON
If you know a Yukon reference starting with 'I' then please post!

J - YUKON
Jacobsen, N.A., J. Korn and Ken Nordin (1992). Engineering-Economic Study of the Costs of Implementing the Fisheries Restoration/Compensation Guidelines in the Yukon Fisheries Projection Authorization Phase II.
Unpublished report prepared for the Yukon Placer Mining Implementation Review Committee. 100 pages.
 
K - YUKON   
Kennedy, C. (1993). Guidelines for reclamation/revegetation in the Yukon.
Report by Renewable Resources, for Yukon Government, 178 pages.

Knight, J.B.; J.K. Mortensen and S.R. Morison (1994). Shape and Composition of Lode and Placer Gold from the Klondyke District, Yukon, Canada.
Bulletin #3 of the Yukon Region of the Exploration and Services Division, Indian and Northern Affairs, Canada. 142 pages.

Knight, J.B.; J.K. Mortensen and S.R. Morison (1999). Lode and placer gold composition in the Klondyke District, Yukon Territory, Canada: Implications for the nature and genesis of Klondyke placer and lode gold deposits.
Economic Geology, volume 94, pages 649-664.
download in ACROBAT from: www.geology.gov.yk.ca/publications/bulletin/bulletin3.pdf

Knight, J.B.; J.K. Mortensen and S.R. Morison (1999). The relationship between placer gold particle shape, rimming and distance of fluvial transport as exemplified by gold from the Klondyke, Yukon Territory, Canada. Economic Geology, volume 94, pages 635-648.

L - YUKON
Leader, J. (1986). Material Handling Technology. Volume 1.
Wright Engineering Ltd, Program 3 Placer Mining. Canada/Yukon Subsidiary Agreement on Mineral Resources. Contract YEDA 07. volume 1 - Text 167 pages.
download in ACROBAT from: www.geology.gov.yk.ca

LeBarge, William P. (1996). Sedimentology and stratigraphy of Duncan Creek placer deposits, Mayo, central Yukon.
In: LeBarge, William P. (editor). Yukon Quaternary Geology Volume 1, Exploration and Geological Services Division, Northern Affairs Program, Yukon Region, pages 63-72.

LeBarge William P. (1997). Geological Setting, Production and Exploration Potential of Yukon Placer Gold Deposits.
ABSTRACT, page 114 in: Afanasiev V.P.; N.N. Zintchouk; V.F. Krivonos; Y.T. Yanygin; and Tcherni (editors) (1997). Major geological and commercial types of placers and weathered rock mineral deposits, technology of estimation and development. Abstracts XIth International Symposium. Moscow-Dubna, 16-19th September 1997 / Moscow: IGEM of RAS. 231 pages.
further details: www.igem.ru/igem/orep/2-1-2

LeBarge, William P. (1997). Overview of Yukon Placer Geology, Gold Production and Prospects.
In: LeBarge, William P. and Roots, C.F, (editors). Yukon Quaternary Geology Volume 2, Exploration and Geological Services Division, Northern Affairs Program, Yukon Region. pages 1-9.

LeBarge, William P. (1998). Placer Deposit Models in Glaciated Terrain: Examples from Ice Marginal Settings in Central Yukon.
In: Abstracts, Main Results of the Study of the Quaternary Period and Principal Directions of Research in the XXI Century, p.302, presented at the All-Russian Meeting of the Quaternary Investigations, St. Petersburg, Russia, 14-19th September 1998.

LeBarge, William. P. (2000). Quaternary History and Placer Gold Potential of Dawson Range, Central Yukon.
In: Abstracts, Natural and Technogenic Placer and Weathered Rock Deposits at the Turn of the Millennium, p.105, presented at the XIIth International Symposium on Placer and Weathered Rock Deposits, Moscow, Russia, 25-29th September 2000.

LeBarge, William P. (2001). Geology and Environmental Regime of Technogenous Yukon Placer Deposits.
In: Abstracts, International Scientific-Practical Conference on Technogenous Placers, Simferopol-Sudak, Ukraine, 24-25th September 2001.

LeBarge, William P. (2002). Yukon Placer Mining Industry - Environmental Regime and Socio-Economic Impacts.
Presented at Russia/Canada Initiative to Share Canadian Best Practices Workshop, Novosibirsk, Russia, June 2002.

LeBarge, William P. (2002). Yukon Placer Database 2002 - Geology and Mining Activity of Placer Occurrences.
Exploration and Geological Services Division, Yukon Region, Indian and Northern Affairs Canada.

LeBarge, William P.; and Tanya Gates (2002). Placer Deposit and Mining Discharge Sampling.
Mining Inspection branch of the Department of Indian Affairs and Northern Development, and Okanagan University College.
read at: www.geology.gov.yk.ca/projects/surficial.html
#Placer%20Deposit%20and%20Mining%20Discharge%20Sampling
Sampling was done to investigate relationships between the grain size distribution of pay gravels and sediment-laden water discharge levels at placer mines. The sedimentology of placer deposits was examined by the grain size distribution and the amount of clay and silt, and these characteristics have a direct bearing on the treatment necessary for gold liberation during the placer mining process, and the resulting use of water. Sampling was undertaken of the sluiced portion of an actively mined placer deposit plus instrument monitoring and sampling the water upstream and downstream at the discharge point of the mine. Floating monitoring equipment was developed for field use, capable of measuring and logging the suspended solids concentration, settleable solids concentration, TDS/ conductivity, temperature and the clay fraction index of flowing water in streams and rivers. Each instrument package allows for the continuous collection of background data on individual streams and specific mining areas that until now was unobtainable. The university made available enough equipment to monitor up to 35 stream/river sites over a period of 4 months. With the new equipment and new technology available, suspended solids of up to 35,000 mg/litre can be measured and monitored, allowing the prediction of the values of settleable solids as set out in the Yukon Placer Authorization. 

LeBarge, William P.; J.D. Bond; and F.J. Hein (2002) Placer Gold Deposits of the Mayo Area, Central Yukon. Exploration and Geological Services Division, Yukon Region. iv+86 pages. ISBN 0-662-32136-7

LeBarge, William P. (2003). Yukon Placer Mining Overview.
pages 27-30 in: D.S. Edmond and L.L. Lewis (editors) Yukon Exploration and Geology. Yukon Geological Survey.
Review of placer gold mining activity in the Yukon, with important statistics. Placer gold production fell to 1,582 kilos in 2003, down from 2 tons in 2002.

Levson, Victor Mathew and T.R. Giles (1991). Stratigraphy and Geologic Settings of Gold Placers in the Cariboo Mining District.
Ministry of Energy, Mines and Petroleum Resources, Geological Fieldwork 1990, P 1991-1

Levson, Victor Mathew (1992). The Sedimentology of Pleistocene Deposits Associated with Placer Gold Bearing Gravels in the Livingstone Creek Area, Yukon Territory.
In: T. Bremner (editor) Yukon Geology, volume 3. Indian Affairs and Northern Development, Yukon Exploration and Geological Services Division, Whitehorse, Canada, pages 99-132.

Lewington, G.A.R. (1911). New Klondike Dredges.
In: Mining and Scientific Press, volume 102.


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M - PLACER GOLD IN THE YUKON
« Reply #7 on: February 08, 2007, 05:24:40 AM »
M - YUKON

MacKay, G. (1993). Very Fine Stream Sampling for Gold.
Report by MacKay Falkiner and Associates. Indian and Northern Affairs Canada, Northern Affairs: Yukon, Open Fine 1993-9 (G). 15 pages.
download in ACROBAT from: www.geology.gov.yk.ca       

Milner, M.M. (1972). Preliminary Report.
Department of Indian and Northern Affairs, Whitehorse, Yukon.

Morison, S.R. (1985). Sedimentology of the White Channel placer deposits, Klondike area, west-central Yukon.
Unpublished MSc thesis, University of Alberta, Edmonton. 149 pages.

Morison, S.R. (1986). An Overview of Placer Deposit Settings in Yukon Territory.
In: Yukon Placer Mining Industry 1983-1984. Placer Mining Section, Mining Engineering Division, Northern Affairs Program, Indian and Northern Affairs Canada, Whitehorse, Yukon, pages 37-41.

Morison, S.R. (1989). Placer deposits in Canada.
In: Chapter 11 of: R.J. Fulton (editor) Quaternary Geology of Canada and Greenland, Geology of Canada, #1 pages 687-697.

Morison, S.R.; and F.J. Hein (1987). Sedimentology of the White Channel Gravels, Yukon Territory: Fluvial deposits in a confined valley.
pages 205-216 in: F.G. Ethridge, R.M. Flores and M.D. Harvey (editors), Recent Developments in fluvial sedimentology - contributions from the 3rd International Fluvial Sedimentology Conference. SEPM Special Publication #39.

Mc.Callum, W.S. (1960). A study on the economic potential of dredge tailings of the Klondike Gold Fields.
Unpublished BSc thesis, University of British Columbia, Vancouver, British Columbia.

McCarthy, E.E. (1914). Stripping frozen gravel in the Yukon.
Mining Management (London), volume 10.

Mc.Donald, C.H. (1986). Underground Placer Mining in Yukon Territory.
In: Yukon Placer Mining Industry 1983-1984. Exploration and Geological Services Division, Yukon. Indian and Northern Affairs, Canada.

McDonald, C.H. (editor) (1990). Fine Gold Recovery of Selected Sluice Box Configurations.
Report of Contract YEDA-MR-001. pages 1-11. Funded by the Canada/Yukon Economic Development Agreement (YEDA).
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/placerrecovery.pdf

Mc.Donald, C.H. (editor) (1990). Test Program on Modified Pan American Pulsator Jigs.
Report of Contract YEDA-MR-006-86. pages 12-14. Funded by the Canada/Yukon Economic Development Agreement (YEDA).
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/placerrecovery.pdf

Mc.Donald, C.H. (editor). (1990). Material Handling Technology. (for placer gold mines).
Report of Contract YEDA-07. pages 19-25. Funded by the Canada/Yukon Economic Development Agreement (YEDA).
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/placerrecovery.pdf

Mc.Donald, C.H. (editor) (1990). Waste Water Treatment Technology (for placer gold mines).
Report of Contract YEDA-08. pages 26-30. Funded by the Canada/Yukon Economic Development Agreement (YEDA).
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/placerrecovery.pdf

Mc.Donald, C.H. (editor) (1990). Placer Mining Materials Handling and Waste Water Treatment Field Trials.
Report of Contract YEDA-86-03. pages 32-40. Funded by the Canada/Yukon Economic Development Agreement (YEDA).
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/placerrecovery.pdf   

Mc.Donald, R. (1990). Drilling in Frozen Ground.
Proceedings of the 12th Annual Alaska Placer Mining Conference. Pages 4-6. Dragon Press, Delta Junction, Alaska.

MERG (2001). Yukon Placer Deposit And Water Quality Sampling Program.
By Klondike Placer Miners' Association. Mining Environmental Research Group (MERG) Report #013. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Experimental Reclamation Project: Shrub Trial Plots – Brewery Creek Mine.
Author: Stu Withers. Mining Environmental Research Group (MERG) Report #2002-1. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Experimental Trials for Restoring Disturbed Sites in Permafrost Areas Using Bioengineering Techniques.
By Laberge Environmental Services. Mining Environmental Research Group (MERG) Report #2002-2. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Monitoring of Low Permeability Cover Performance – Arctic Gold and Silver Mine Site, Carcross, Yukon.
By EBA Engineering Consultants Ltd. Mining Environmental Research Group (MERG) Report #2002-3. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Arsenic in Plants Important to Two Yukon First Nations: Impacts of Gold Mining and Reclamation Practices.
Author: Heather C. Nicholson. Mining Environmental Research Group (MERG) Report #2002-4. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Utilizing Volcanic Ash as a Natural Flocculent in Placer Settling Ponds.
By Tintina Consultants. Mining Environmental Research Group (MERG) Report #2002-5. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2002). Flying in Sheep Country: How to minimize disturbance from aircraft.
By Leberge Environmental Services. Mining Environmental Research Group (MERG) Report #2002-6. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

MERG (2003). Utilizing Volcanic Ash as a Natural Flocculant in Placer Settling Ponds.
Tintina Consultants and Midnight Mines Ltd. Mining Environmental Research Group (MERG) Report #2003-4. Yukon: Canada.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm

Merks, J.W. (1987). Procedures for Sampling Tailings from Placer Gold Sluice Operations.
Prepared for the Klondike Placer Gold Miners Association, Whitehorse, Yukon, Canada.

Mossop, Brent (2003). Monitoring salmon habitat in small streams using streambed profiling and the importance of large woody debris for juvenile chinook salmon habitat in small Yukon streams.
Simon Fraser University Resource and Environment Management Project #315. 88 pages.

Mougeot, C. (1996). Natural Land Reclamation for Mineral Exploration Properties & Placer Mines in Yukon.
By Mougeot GeoAnalysis, for Exploration and Services Division, Mineral Resources Directorate (MRD), Indian and Northern Affairs Canada, Yukon Region, 42 pages. ISBN 0-662-24245-9
download in ACROBAT from: www.geology.gov.yk.ca/publications/bulletin/bulletin5.pdf
Studied a time series dating from 1911 to 1993 of abandoned placer mines in the Klondike area of the Yukon. Most tailings and overburden mounds investigated had revegetated, subject to sufficient fine-grained matrix and slopes being fairly stable. Revegetation is accelerated by the abundant moisture from the creeks and melting permafrost. However, very gravelly areas “did not revegetate quickly in spite of their gentle topography”, attributed to a lack of “moisture-holding fine-texture matrix” and a “total lack of nutrients and organic matter.” The research showed that settling ponds revegetate successfully within a few growing seasons as “the abundance of moisture, fine-grained texture sediments and low topography provide good seed beds for the plants.” However, tall steep tailings piles are unstable for “at least a few years” and “gullying and failing can occur.” 

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N-O-P - PLACER GOLD IN THE YUKON
« Reply #8 on: February 08, 2007, 05:30:18 AM »
N - YUKON

Newman, D.; and C. Chapman (1987). Heap Leaching – Grade and Metallurgical Evaluation of the White Channel Gravels.
Witteck Development Inc, Final Report of Project #5203 for the Northern Affairs Program, Department of Indian Affairs and Northern Development, Whitehorse, Yukon. 20 pages plus 2 appendices.
download in ACROBAT from: www.emr.gov.yk.ca/Mining/MERG/default.htm
O - YUKON
oops - anyone know a reference for the Yukon beginning with 'O'??
 ::)
P - YUKON
Payne, Henry M. (1916). Mining the Frozen Gravel of the Arctic.
Sibley Journal of Engineering - September 1916.
General description of frozen gold placers and methods of mining them.

Payne, Henry M. (1917). Further Notes on Yukon Mining Problems.
Canadian Mining Institute, Transactions - 1917. 19 pages.
Describes methods of thawing permafrost and discusses results.
Perkin, Ross; and Rick Hirtle (2002). Economic Study of the Yukon Placer Authorization Review. Report by BDO Dunwoody LLP, Kamloops. 44 pages.

Poling, George W.; and James Frederick Hamilton (1986). Fine Gold Recovery of Selected Sluicebox Configurations. University of British Columbia.
Prepared for Canada/Yukon Economic Development Agreement. Indian and Northern Affairs Canada; Northern Affairs: Yukon Region. Available from: Northern Affairs Program.
download in ACROBAT from: www.geology.gov.yk.ca/publications/tech/fine_gold_recovery_sluiceboxes.pdf

Poling, George W. (1987). Fine Gold Recovery in Placer Mining.
Gold Mining ’87, AIME-SME, Port City Press, Baltimore, Maryland, pages 345-360.

Power, Mike (1994). An Evaluation of Ground Penetrating Radar as a Tool in Placer Exploration.
Prepared by Amerok Wright Geophysics, Canada/Yukon Subsidiary Agreement on Mineral Resources. Indian and Northern Affairs Canada – Northern Affairs – Yukon Region. Open File 1994-1 (T). 7 chapters and 3 appendices.
download in ACROBAT from: www.geology.gov.yk.ca
Describes tests at 10 placer deposits of ground penetrating radar (GPR) conducted in 1993 across the Yukon region. Approximately 1.5 to 2 km per day of line was surveyed at 2m station spacing under optimum winter conditions. Mining during the following summer confirmed the accuracy and usefulness of GPR in mapping bedrock.

Pullan, D.E.; and J.A. Hunter (1983). Seismic tests of placer deposits in areas of permafrost.
In: Yukon Placer Mining Industry 1978-1982. Exploration and Geological Services Division, Indian and Northern Affairs, Canada, pages 43-45.

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Q-R-S-T - PLACER GOLD IN THE YUKON
« Reply #9 on: February 08, 2007, 05:36:00 AM »
Q - YUKON

Hmm no Q, but please add if you can!

R - YUKON
Rice, H.R. (1953). Tailing Dredge on Great Bear Lake.
Canadian Mining Journal volume 74, #7, pages 59-61.
Describes all-year-round gold dredging only a few miles south of the Arctic Circle on the Great Bear Lake which is covered in ice 6-7 feet thick. All-year-round operations are achieved by the dredge floating in a pool kept unfrozen by discharge of waste water from mine and plant. The article reviews the dredging operations, pumping, temperature, and methods used in inhibiting ice formation.

S - YUKON
Singleton, G.A. et al. (1980). Fish and wildlife habitat recovery in placer mined areas of the Yukon: final report.
Prepared by Hardy Associates (1978) Ltd for the Department of Indian Affairs and Northern Development. 131 pages.
Report of the environmental impacts of placer gold mining near Dawson City and Mayo, Yukon Territory, focussed on the classification and restoration of habitat for moose, voles and fish, and includes analysis of vegetation and soils as well as suggestions for stream channeling. 

Stroink L.; and G. Friedrich (1992). Gold-sulphide quartz veins in metamorphic rocks as a possible source for placer gold in the Livingstone Creek area, Yukon Territory, Canada.
Yukon Geology, volume 3, pages 99-132, published by the Exploration and Geological Services Division, Northern Affairs Program, Indian and Northern Affairs Canada.
 
T - YUKON
Tempelman-Kluit, D. (1980). Evolution of Physiography and Drainage in Southern Yukon.
Canadian Jouranl of Earth Science,volume 17, pages 1189-1203.

Tempelman-Kluit, D. (1982). White Channel Gravel of the Klondike.
Yukon Exploration and Geology 1981, DIAND, pages 74-79.

Turnbull, Andy (1979). Mechanics make a good buck in the Klondike goldfields.
Canadian Automotive Trade, November 1979, volume 8-9, 11, 38 pages.
Describes how three mechanics embarked upon placer gold mining in the Klondike.