Tract ID | 003pCu2005 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Country | Canada | ||||||||||
Commodity | Cu | ||||||||||
Study area name | British Columbia and Yukon Territory | ||||||||||
Tectonic setting | continental margin | ||||||||||
Deposit type | porphyry copper | ||||||||||
Grade-tonnage model | Canadian Cordillera Porphyry Cu±Mo±Au (Frost and others, 2011) | ||||||||||
Geologic age |
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Identified Cu resources | 220,000metric tons | ||||||||||
Known prospects | 1 | ||||||||||
Mean Cu (t/sq km) | 55t/sq km | ||||||||||
Map scales used | 250K, 1M, 2M |
Assessment date | 2009 |
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Estimators | Abbott, Grant (YGS); Bookstrom, Arthur A.(USGS); Frost, Thomas P. (USGS); Logan, James (BCGS); Ludington, Steve (USGS); Mihalasky, Mark, J. (USGS); Panteleyev, Andre (XDM Geological Consultants) |
Assessment depth | 1km |
Quantitative assessment | Yes |
Number of deposits | Confidence level |
---|---|
1 | 50% |
3 | 10% |
4 | 5% |
4 | 1% |
Mean estimated deposits | 1.38 | ±1.36 | (0.99%) |
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Probability of mean | 0.31 |
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Probability of no copper | 0.29 |
Known deposits |
Total deposits |
Area (sq km) |
Deposit density per 100,000 sq km |
---|---|---|---|
1 | 2.38 | 32,843 | 7 |
Copper | 1,800,000 |
---|---|
Molybdenum | 76,000 |
Gold | 92 |
Silver | 660 |
Ore | 680 |
Confidence level | 50% | 10% | 5% |
---|---|---|---|
Tonnage | 720,000 | 5,000,000 | 7,400,000 |
Fraser country | Alaska* |
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Fraser type | 0.5% |
Fraser high | 0.5% |
Typical cost | 0.45% |
High cost | 0.55% |
Infrastructure setting | Mixed |
Comments on depth | skew shallow |
Expected depth distribution | |
0 - 250m | 0.35 |
250m - 500m | 0.25 |
500m - 1km | 0.4 |
Economically recoverable resources | |
Copper | 400,000t |
Molybdenum | 11,000t |
Gold | 8t |
Silver | 110t |
Probability no econ recoverable | 0.93 |
Econ NPV | 59x $1M |
Exp dollars | -7.25x $1M/100,000 sq km |
Exp value class | Very Low |
General | Mihalasky and others (2011, revised 2013) |
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Economic | Robinson and Menzie (2012) |
Name | Type | State | Country | Development | Details |
---|---|---|---|---|---|
Giant Copper AM Breccia | deposit | British Columbia | Canada | Prospect | Details |
Invermay | deposit | British Columbia | Canada | Prospect | Details |
Giant Copper No. 1 | prospect | British Columbia | Canada | Occurrence | Details |
Owl Creek A zone | prospect | British Columbia | Canada | Prospect | Details |
Owl Creek C zone | prospect | British Columbia | Canada | Prospect | Details |
Hannah 8, 10, 11 | prospect | British Columbia | Canada | Occurrence | Details |
Giant Copper Group | Group | British Columbia | Canada | Prospect | Details |
Owl Creek Group | Group | British Columbia | Canada | Prospect | Details |