Cordilleran Continental Arc

Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Jurassic-Eocene)
Tract ID 003pCu2004x
Country Canada-United States of America
Commodity Cu
Study area name British Columbia and Yukon Territory and United States
Tectonic setting continental margin
Deposit type porphyry copper
Grade-tonnage model Canadian Cordillera Porphyry Cu±Mo±Au (Frost and others, 2011)
Geologic age
Geologic feature age Jurassic through Eocene
Generalized age Mesozoic
Oldest rocks age 199.6Ma
Youngest rocks age 33.9Ma
Age range 165.7Ma
Identified Cu resources 23,000,000metric tons
Known prospects 62
Mean Cu (t/sq km) 19t/sq km
Map scales used 500K

Results of the assessment

Assessment date 2009
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

Estimated number of deposits

Number of deposits Confidence level
3 90%
8 50%
21 10%
21 5%
21 1%
Mean estimated deposits 10.2 ±6.63 (0.65%)
Probability of mean 0.42
Probability of no copper 0.03

Estimated deposit density

Known
deposits
Total
deposits
Area
(sq km)
Deposit density
per 100,000 sq km
31 41.2 684,540 6

Mean estimated tonnage

Copper 13,000,000
Molybdenum 560,000
Gold 720
Silver 4,500
Ore 5,000

Undiscovered copper resource

Confidence level 95% 90% 50% 10% 5%
Tonnage 660,000 1,900,000 11,000,000 28,000,000 33,000,000

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 3,800,000t
Molybdenum 110,000t
Gold 86t
Silver 970t
Probability no econ recoverable 0.36
Econ NPV 560x $1M
Exp dollars -0.39x $1M/100,000 sq km
Exp value class Very Low

Bibliographic references

General Mihalasky and others (2011, revised 2013)
Economic Robinson and Menzie (2012)

Deposits and prospects associated with this tract

Name Type State Country Development Details
Dorothy deposit British Columbia Canada Prospect Details
Bell Copper deposit British Columbia Canada Past Producer Details
Berg deposit British Columbia Canada Prospect Details
Big Onion deposit British Columbia Canada Prospect Details
Casino deposit Yukon Territory Canada Prospect Details
Catface deposit British Columbia Canada Prospect Details
Fish Lake deposit British Columbia Canada Prospect Details
Gambier Island deposit British Columbia Canada Prospect Details
Granisle deposit British Columbia Canada Past Producer Details
Huckleberry deposit British Columbia Canada Producer Details
Louise Lake deposit British Columbia Canada Prospect Details
New Nanik deposit British Columbia Canada Prospect Details
OK deposit British Columbia Canada Prospect Details
Okeover deposit British Columbia Canada Prospect Details
Ox Lake deposit British Columbia Canada Prospect Details
Poison Mountain deposit British Columbia Canada Prospect Details
Poplar deposit British Columbia Canada Prospect Details
Rey Lake deposit British Columbia Canada Prospect Details
Taseko deposit British Columbia Canada Prospect Details
Ann prospect British Columbia Canada Prospect Details
Ball Creek prospect British Columbia Canada Prospect Details
Bear Lake prospect British Columbia Canada Occurrence Details
Ben 37 prospect British Columbia Canada Occurrence Details
Blue 33-36 prospect British Columbia Canada Occurrence Details
Buzzer prospect British Columbia Canada Occurrence Details
Charlie prospect British Columbia Canada Occurrence Details
Chita prospect British Columbia Canada Occurrence Details
Coles Creek prospect British Columbia Canada Occurrence Details
Colossus prospect British Columbia Canada Prospect Details
Copper Canyon prospect British Columbia Canada Occurrence Details
Copper Mountain (Trigger Lake) prospect British Columbia Canada Occurrence Details
Copper Star prospect British Columbia Canada Occurrence Details
Copper zone prospect British Columbia Canada Occurrence Details
Croesus prospect British Columbia Canada Prospect Details
Cyprus prospect Yukon Territory Canada Prospect Details
Dobbin prospect British Columbia Canada Occurrence Details
Empress prospect British Columbia Canada Occurrence Details
Fawley prospect Yukon Territory Canada Prospect Details
Fly prospect British Columbia Canada Occurrence Details
Gem Lake prospect British Columbia Canada Occurrence Details
Goulter prospect Yukon Territory Canada Prospect Details
Hecate Bay prospect British Columbia Canada Occurrence Details
Hi-Mars deposit British Columbia Canada Prospect Details
Independence prospect British Columbia Canada Occurrence Details
Irishman Creek prospect British Columbia Canada Prospect Details
IXL prospect British Columbia Canada Occurrence Details
Jake North prospect British Columbia Canada Occurrence Details
Jay prospect British Columbia Canada Occurrence Details
Jean deposit British Columbia Canada Prospect Details
Kino prospect British Columbia Canada Occurrence Details
Klazan prospect Yukon Territory Canada Prospect Details
Lexington-Lone Star deposit British Columbia Canada Prospect Details
Lynx prospect British Columbia Canada Occurrence Details
Maggie deposit British Columbia Canada Prospect Details
Maloney prospect Yukon Territory Canada Prospect Details
Pam prospect British Columbia Canada Occurrence Details
MIM prospect Yukon Territory Canada Occurrence Details
Mohawk prospect British Columbia Canada Occurrence Details
Morrison deposit British Columbia Canada Prospect Details
Mount Washington Copper prospect British Columbia Canada Prospect Details
Murex prospect British Columbia Canada Occurrence Details
Newmac prospect British Columbia Canada Occurrence Details
Newton Hill prospect British Columbia Canada Occurrence Details
Nucleus prospect Yukon Territory Canada Prospect Details
PAL prospect Yukon Territory Canada Prospect Details
Pattison prospect Yukon Territory Canada Prospect Details
Porphyry Creek prospect British Columbia Canada Prospect Details
Red Bird prospect British Columbia Canada Prospect Details
Revenue prospect Yukon Territory Canada Prospect Details
Rita prospect British Columbia Canada Occurrence Details
Rowbottom prospect British Columbia Canada Occurrence Details
Rum 66 prospect British Columbia Canada Occurrence Details
Seel prospect British Columbia Canada Prospect Details
Silver Queen prospect Yukon Territory Canada Prospect Details
Suits prospect Yukon Territory Canada Prospect Details
Tarn Creek prospect British Columbia Canada Occurrence Details
Thezar 75 prospect British Columbia Canada Occurrence Details
Trail Peak prospect British Columbia Canada Prospect Details
Trudi prospect Yukon Territory Canada Prospect Details
Uebell prospect British Columbia Canada Prospect Details
WEL prospect British Columbia Canada Occurrence Details
Whipsaw prospect British Columbia Canada Occurrence Details
Wolf prospect British Columbia Canada Occurrence Details
Zymo prospect British Columbia Canada Prospect Details
Cash deposit Yukon Territory Canada Prospect Details
NAK deposit British Columbia Canada Prospect Details
Babs prospect British Columbia Canada Occurrence Details
Giant prospect Yukon Territory Canada Prospect Details
Lori prospect British Columbia Canada Occurrence Details
Rhyolite prospect Yukon Territory Canada Prospect Details
Sylvia prospect British Columbia Canada Occurrence Details
Mount Tolman deposit Washington United States Occurrence Details
Dorothy-NAK Group Group British Columbia Canada Prospect Details
Huckleberry Group Group British Columbia Canada Producer Details
OK Group Group British Columbia Canada Prospect Details
Catface Group Group British Columbia Canada Occurrence Details