Property Details
Property ID:
541Property Name:
Quartz HillLatitude/Longitude:
55.403/-130.483Commodities Major:
MoCritical Minerals from ARDF:
none reportedCommodity Group:
Porphyry (Copper, Gold, Molybdenum)Deposit Type:
PorphyryResource Public:
YesPast Producer:
NoARDF Primary:
KC108ARDF Related:
KC108
Interpreted mineral system (using mineral system classification of Hofstra and Kreiner, 2020*)
System Name:
Porphyry Cu-Mo-AuDeposit Type:
Porphyry/skarn molybdenumPrincipal Commodities:
Mo, W, SnCritical Minerals:
W, Re, Bi
Activity by Year
| Year |
Activity |
Status |
Operator |
Project Name |
Description |
Production Stats
| Year |
Total Rock Mined (short tons) |
Waste Rock (short tons) |
Ore Mined (short tons) |
Ore Milled (short tons) |
Heap Leach Ore (short tons) |
Total Concentrate Produced (short tons) |
Pb Ore Grade % |
Pb Recovered (short tons) |
Zn Ore Grade % |
Zn Recovered (short tons) |
Au Head/Ore Grade (OPT) |
Au Recovered (troy ounces) |
Au Recovery % |
Ag Ore Grade (OPT) |
Ag Recovered (million troy ounces) |
Coal (short tons) |
Other |
Other Amount |
Other Units |
Resources
| Source |
Year |
Description |
Property Phase |
Category |
Resource (short tons) |
Cu % |
Cu (thousand pounds) |
Pb % |
Pb (thousand pounds) |
Zn % |
Zn (thousand pounds) |
Au (OPT) |
Au (thousand oz) |
Ag (OPT) |
Ag (thousand oz) |
Mo % |
Mo (thousand pounds) |
Co % |
Co (thousand pounds) |
Barite % |
Barite (thousand pounds) |
TREO % |
TREO (thousand pounds) |
Graphite % |
Graphite (thousand pounds) |
| Mineral investigations in the Ketchikan mining district, southeastern Alaska: U.S. Bureau of Mines Open-File Report 11-95 (1995) |
1995 |
(?Base Case?) employing a TREO cut-off of 0.4%. The Base Case renders an Inferred Mineral Resource of 2.0 million tonnes grading 0.61% TREO, an Indicated Mineral Resource of 2.9 million tonnes grading .61% TREO, and a skew of approximately 40% HREO over TREO |
Exploration |
"Probable resource" |
4.44E8 |
|
|
|
|
|
|
|
|
|
|
0.219 |
9.7885128E8 |
|
|
|
|
|
|
|
|
|
| Mineral investigations in the Ketchikan mining district, southeastern Alaska: U.S. Bureau of Mines Open-File Report 11-95 (1995) |
1995 |
(?Base Case?) employing a TREO cut-off of 0.4%. The Base Case renders an Inferred Mineral Resource of 2.0 million tonnes grading 0.61% TREO, an Indicated Mineral Resource of 2.9 million tonnes grading .61% TREO, and a skew of approximately 40% HREO over TREO |
Exploration |
"Possible resource" |
1.36E9 |
|
|
|
|
|
|
|
|
|
|
0.136 |
2.9982832E9 |
|
|
|
|
|
|
|
|
|
| Mineral investigations in the Ketchikan mining district, southeastern Alaska: U.S. Bureau of Mines Open-File Report 11-95 (1995) |
1995 |
|
|
Total |
1.804E9 |
|
|
|
|
|
|
|
|
|
|
0.156428 |
3.97713448E9 |
|
|
|
|
|
|
|
|
|
* Hofstra, A.H., and Kreiner, D.C., 2020, Systems-Deposits-Commodities-Critical Minerals Table for the Earth Mapping Resources Initiative: U.S. Geological Survey Open-File Report 2020-1042, 24 p., https://doi.org/10.3133/ofr20201042