Map symbol | Lithology | Unit name |
---|---|---|
g | Unconsolidated | Glaciers |
Peh | Sedimentary | Eagle Creek and Hasen Creek Formations |
Pehls | Sedimentary | Limestone of the Hasen Creek and Eagle Creek Formations |
PIPt | Sedimentary | Slana Spur and Station Creek Formations and Tetelna Volcanics |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
ID | Data type | Description |
---|---|---|
East Alaska Range - Nabesna | M-Dz | East Alaska Range - Nabesna 43452 line km with spacing 1.20 km over parts of AK |
Nabesna | M/R-D | Nabesna 2204 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-SC31 | Cu (Au) skarn | |
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC32 | Cu (Au) skarn | |
AK-SC01 | Basaltic Cu/Kennecott Cu | |
AK-SC29 | Polymetallic vein | |
AK-SC18 | Synorogenic-synvolcanic Ni-Cu | |
AK-SC09 | Low-sulfide Au-quartz veins | |
AK-SC22 | Porphyry Cu, BC-Ak type |
Domain | Crust type | Region |
---|---|---|
Wrangellia | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
ACK227 | rock | igneous diorite |
ACK228 | rock | |
AGG174 | sediment | |
AGG176 | sediment | |
AGG177 | sediment | |
AGG178 | sediment | |
AGG193 | sediment | |
AGG200 | rock | sedimentary volcaniclastic |
Sample ID | Rock type | Rock name |
---|---|---|
ACK227 | igneous | intermediate |
ACK228 | unspecified | chert-jasperoid |
AGG200 | sedimentary | unspecified |
Site name | Development | Commodities |
---|---|---|
Unnamed (east side of Nabesna Glacier) | Prospect | CU ZN AU |
Site | Status | Commodities |
---|---|---|
Unnamed (east side of Nabesna Gl... | Inactive | Au;Cu;Zn |
Sample ID | Sample source | Sample notes |
---|---|---|
AGG174 | stream/river | stream |
AGG176 | stream/river | stream |
AGG177 | stream/river | stream |
AGG178 | stream/river | stream |
AGG193 | stream/river | stream |
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. |