Counties, states, countries, continents, or oceans | |
Yukon-Koyukuk | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Circle B-4 | 1:63,360 Alaska quadrangle |
Circle | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Birch-Beaver Creeks | hydrologic unit |
190404 | hydrologic accounting unit |
Southwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
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 |
Circle | M/R-D | Circle 1987 line km with spacing 9.60 km over parts of AK |
Northeast Fairbanks | M/EM-D | Northeast Fairbanks 3260 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-EC07 | Low-sulfide Au-quartz veins | |
AK-EC13 | Porphyry Cu, BC-Ak type | |
AK-EC14 | Plutonic porphyry Au | |
AK-EC18 | Polymetallic vein | |
AK-EC15 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Yukon-Tanana lower | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CEJ681 | rock | metamorphic quartzite |
CEJ682 | rock | metamorphic quartzite |
CEJ683 | rock | metamorphic quartzite |
CEJ718 | rock | metamorphic quartzite |
CEJ734 | rock | metamorphic quartzite |
CEJ735 | rock | metamorphic schist |
CEJ736 | rock | metamorphic quartzite |
Sample ID | Rock type | Rock name |
---|---|---|
CEJ681 | metamorphic | quartzite |
CEJ682 | metamorphic | quartzite |
CEJ683 | metamorphic | quartzite |
CEJ718 | metamorphic | quartzite |
CEJ734 | metamorphic | quartzite |
CEJ735 | metamorphic | schist |
CEJ736 | metamorphic | quartzite |
Site name | Development | Commodities |
---|---|---|
Unnamed | Occurrence | AU |
Table Mountain | Prospect | U |
Site | Status | Commodities |
---|---|---|
Unnamed | 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 |
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. |