- Mineral Resources
- Online Spatial Data
- Global assessment of undiscovred copper resources
Porphyry Cu systems associated with pre-accretionary Triassic and Jurassic calc-alkalic island arcs that formed offshore of western North America
| Tract ID |
003pCu2001x |
| Country |
Canada-United States of America |
| Commodity |
Cu |
| Study area name |
British Columbia and Yukon Territory and United States |
| Tectonic setting |
island arc |
| Deposit type |
porphyry copper |
| Grade-tonnage model |
Canadian Cordillera Porphyry Cu±Mo±Au (Frost and others, 2011) |
| Geologic age |
| Geologic feature age |
Triassic through Jurassic |
| Generalized age |
Mesozoic |
| Oldest rocks age |
251Ma
|
| Youngest rocks age |
145.5Ma
|
| Age range |
105.5Ma
|
|
| Identified Cu resources |
25,000,000metric tons
|
| Known prospects |
20 |
| Mean Cu (t/sq km) |
51t/sq km
|
| Map scales used |
500K |
Results of the assessment
| Assessment date |
2013 |
| Estimators |
Steve Ludington, Jane Hammarstrom, Gilpin Robinson, and 1996 Team |
| Assessment depth |
1km
|
| Quantitative assessment |
Yes |
Estimated number of deposits
| Number of deposits |
Confidence level |
| 3 |
90% |
| 5 |
50% |
| 15 |
10% |
| 15 |
5% |
| 15 |
1% |
|
| Mean estimated deposits |
7.2 |
±4.63 |
(0.64%) |
| Probability of mean |
0.4 |
| Probability of no copper |
0.04 |
Estimated deposit density
Known
deposits |
Total
deposits |
Area
(sq km) |
Deposit density
per 100,000 sq km |
| 12 |
19.2 |
181,200 |
11 |
Mean estimated tonnage
| Copper |
9,300,000 |
| Molybdenum |
380,000 |
| Gold |
500 |
| Silver |
3,100 |
| Ore |
3,500 |
Undiscovered copper resource
| Confidence level |
95% |
90% |
50% |
10% |
5% |
| Tonnage |
440,000 |
1,400,000 |
7,300,000 |
20,000,000 |
25,000,000 |
Economic analysis
| Fraser country |
Canada (BC*) |
| Fraser type |
0.61%
|
| Fraser high |
0.38%
|
| Typical cost |
0.79%
|
| High cost |
0.21%
|
| Infrastructure setting |
Mixed |
| Comments on depth |
default |
| Expected depth distribution |
|---|
| 0 - 250m |
0.25 |
| 250m - 500m |
0.25 |
| 500m - 1km |
0.5 |
| Economically recoverable resources |
|---|
| Copper |
2,700,000t
|
| Molybdenum |
76,000t
|
| Gold |
60t
|
| Silver |
670t
|
| Probability no econ recoverable |
0.49 |
| Econ NPV |
400x $1M
|
| Exp dollars |
-2.15x $1M/100,000 sq km
|
| Exp value class |
Very Low |
Bibliographic references
| General |
Mihalasky and others (2011, revised 2013) |
| Economic |
Robinson and Menzie (2012) |
Mihalasky, M.J., Bookstrom, A.A., Frost, T.P., and Ludington, S., with contributions from Logan, J.M., Panteleyev, A., and Abbot, G., 2011, revised 2013, Porphyry copper assessment of British Columbia and Yukon Territory, Canada: U.S. Geological Survey Scientific Investigations Report 20105090C, v. 1.1, 128 p., http://pubs.usgs.gov/sir/2010/5090/c/.Robinson, G.R., Jr., and Menzie, W.D., 2012, Economic filters for evaluating porphyry copper deposit resource assessments using grade-tonnage deposit models, with examples from the U.S. Geological Survey global mineral resource assessment (ver 1.2, March 2014): U.S. Geological Survey Scientific Investigations Report 20105090H, 21 p., http://pubs.usgs.gov/sir/2010/5090/h/.
Deposits and prospects associated with this tract
| Name |
Type |
State |
Country |
Development |
Details |
| Bethlehem |
deposit |
British Columbia |
Canada |
Past Producer |
Details |
| Ann |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Brenda |
deposit |
British Columbia |
Canada |
Past Producer |
Details |
| Bronson Slope - Red Bluff |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Getty South |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Gibraltar |
deposit |
British Columbia |
Canada |
Producer |
Details |
| Gnat Lake |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Goat |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Highland Valley Copper |
deposit |
British Columbia |
Canada |
Past Producer |
Details |
| Highmont |
deposit |
British Columbia |
Canada |
Past Producer |
Details |
| IDE-AM |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| JA |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Kemess North |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Kemess South |
deposit |
British Columbia |
Canada |
Producer |
Details |
| Kinaskan |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Krain |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Kwanika Central |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Kwanika South |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Lornex |
deposit |
British Columbia |
Canada |
Past Producer |
Details |
| NABS |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Pine |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Sawmill |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Schaft Creek |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Bear |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Bud - South zone |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| BX |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Clapper |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Copper Ace South |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| Dot |
prospect |
British Columbia |
Canada |
Past Producer |
Details |
| Eaglehead |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Getty West |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Go |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Gunn |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| HED |
deposit |
British Columbia |
Canada |
Prospect |
Details |
| Highmont West |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| Jericho |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| King Edward |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| MER |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| MEX |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Mineral Hill |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Pil |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Prince |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| QC |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Rateria |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| Red |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Sofia |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Turlight |
prospect |
British Columbia |
Canada |
Past Producer |
Details |
| TUV |
prospect |
Yukon Territory |
Canada |
Prospect |
Details |
| Victor |
prospect |
British Columbia |
Canada |
Past Producer |
Details |
| Wiz |
prospect |
British Columbia |
Canada |
Past Producer |
Details |
| Wolf |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Woodjam |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| Yubet |
prospect |
British Columbia |
Canada |
Prospect |
Details |
| AL |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Bud - North zone |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
| Kid |
prospect |
British Columbia |
Canada |
Occurrence |
Details |
