Counties, states, countries, continents, or oceans | |
Aleutians West | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Attu C-2 | 1:63,360 Alaska quadrangle |
Attu | 1:250,000 Alaska quadrangle |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-AP05 | Epithermal vein, generic | |
AK-AP10 | Porphyry Cu, BC-Ak type | |
AK-AP14 | Polymetallic vein |
Site | Status | Commodities |
---|---|---|
Unnamed (west of Chirikof Point) | Inactive | Fe |
Tract name | Deposit type | Geology |
---|---|---|
Alaska Peninsula and Aleutian Islands | porphyry copper | Tertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands |
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. |
Kamchatka-Kuril | porphyry copper | Latest Cretaceous through Quaternary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the margin of northeast Asia. |