ID | Data type | Description |
---|---|---|
Alaska Regional | M-Dz | Alaska Regional 14484 line km with spacing 16.10 km over parts of AK |
Northeast Alaska '73 | M-D | Northeast Alaska '73 25044 line km with spacing 1.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-BR21 | Sediment-hosted Cu | |
AK-BR04 | Low-sulfide Au-quartz veins | |
AK-BR13 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Brooks Range | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
ACC724 | sediment |
Site name | Development | Commodities |
---|---|---|
Big Joe Creek | Occurrence | AU |
Big Joe Creek | Occurrence | AU |
Site | Status | Commodities |
---|---|---|
Big Joe Creek | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
ACC724 | stream/river | stream |
Tract name | Deposit type | Geology |
---|---|---|
Brooks Range | porphyry copper | Proterozoic, Devonian, or Cretaceous grantitic intrusions in the Brooks Range. |
Chukotka | porphyry copper | Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent. |
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. |