Map symbol | Lithology | Unit name |
---|---|---|
JTrmc | Sedimentary | McCarthy Formation |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
ID | Data type | Description |
---|---|---|
Valdez '78 | M-D | Valdez '78 10404 line km with spacing 1.60 km over parts of AK |
Valdez | M/R-D | Valdez 2220 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC05 | Cu-Ag quartz veins | |
AK-SC16 | Kuroko massive sulfide | |
AK-SC23 | Porphyry Cu, BC-Ak type | |
AK-SC33 | Cu (Au) skarn | |
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC25 | Placer Au | |
AK-SC22 | Porphyry Cu, BC-Ak type | |
AK-SC32 | Cu (Au) skarn | |
AK-SC01 | Basaltic Cu/Kennecott Cu | |
AK-SC18 | Synorogenic-synvolcanic Ni-Cu | |
AK-SC09 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Wrangellia | Oceanic arc | Alaska |
Sample ID | Date collected | Sample type |
---|---|---|
7003291 | Dry stream sediment sample dried at less than or equal to 100øC (if necessary) and sieved to -80 mesh through stainless steel sieves. | |
7003805 | 1977-07-04 | Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves. |
Sample ID | Date collected | Sample type |
---|---|---|
3004094 | 1977-07-04 | Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
Site | Status | Commodities |
---|---|---|
Copper Creek | Inactive | Au? |
Tract name | Deposit type | Geology |
---|---|---|
Yukon-Tanana Upland | porphyry copper | Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault |
Western Alaska Range | porphyry copper | Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary |
Eastern Alaska Range and Wrangell Mountains | porphyry copper | Cretaceous (115-105Ma) deposits and prospects along the Nutzotin Basin-Wrangellia terrane boundary; south of the Denali Fault |
Skolai Arc - Eastern Alaska | porphyry copper | Late Paleozoic Skolai Arc of the Wrangellia terrane; south of the Denali Fault |
Pacific Margin | porphyry copper | Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia. |