Counties, states, countries, continents, or oceans | |
Matanuska-Susitna | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Healy B-6 | 1:63,360 Alaska quadrangle |
Healy | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Chulitna River | hydrologic unit |
190205 | hydrologic accounting unit |
Northwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies |
ID | Data type | Description |
---|---|---|
Healy '82 | M-D | Healy '82 3975 line km with spacing 1.60 km over parts of AK |
Healy | M/R-D | Healy 2116 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC31 | Cu (Au) skarn | |
AK-SC25 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Chulitna-Broad Pass | Oceanic arc | Alaska |
Site name | Development | Commodities |
---|---|---|
Lucrata | Prospect | AG AU CU |
Liberty | Prospect | AG AU |
Center Star | Prospect | AU CU |
Dunkle Mine | Past Producer | AU CU AG ZN |
Liberty Prospect | Occurrence | AG AU |
Site | Status | Commodities |
---|---|---|
Silver King | Active | Ag;Au;Cu |
Center Star | Inactive | Au?;Cu |
Liberty | Inactive | Ag;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 |
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. |