- 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 |