Counties, states, countries, continents, or oceans | |
Southeast Fairbanks | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Big Delta A-1 | 1:63,360 Alaska quadrangle |
Big Delta | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Healy Lake | hydrologic unit |
190405 | hydrologic accounting unit |
Southwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
Kmgr | Igneous - Plutonic | Granitic rocks of central and southeast Alaska |
Kmgr | Igneous - Plutonic | Granitic rocks of central and southeast Alaska |
PzPxybg | Metamorphic | Biotite gneiss, marble, schist, quartzite, and amphibolite |
PzPxygs | Metamorphic | Gneiss, schist, and quartzite |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
TKg | Igneous - Plutonic | Felsic granitic rocks |
ID | Data type | Description |
---|---|---|
Alaska Regional | M-Dz | Alaska Regional 14484 line km with spacing 16.10 km over parts of AK |
Big Delta-Fairbanks | M-Dz | Big Delta-Fairbanks 25749 line km with spacing 1.20 km over parts of AK |
Big Delta-Fairbanks | M-Dz | Big Delta-Fairbanks 25749 line km with spacing 1.20 km over parts of AK |
Eagle | M-Dz | Eagle 12713 line km with spacing 1.20 km over parts of AK |
Eagle | M/R-D | Eagle 2035 line km with spacing 9.60 km over parts of AK |
Big Delta | M/R-D | Big Delta 2035 line km with spacing 9.60 km over parts of AK |
Tanacross 2015 | M-D | Tanacross 2015 26533 line km with spacing 0.50 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 |
---|---|---|
BDO153 | rock | metamorphic gneiss |
CAW072 | rock | metamorphic serpentinite |
CAW170 | rock | metamorphic gneiss |
CBJ880 | rock | igneous granite |
Sample ID | Rock type | Rock name |
---|---|---|
BDO153 | metamorphic | gneiss |
CAW072 | metamorphic | serpentinite |
CAW170 | metamorphic | gneiss |
CBJ880 | igneous | granite |
Site name | Development | Commodities |
---|---|---|
Rainy Mountain Lode | Prospect | MO |
Rainey Mountain | Prospect | MO |
Site | Status | Commodities |
---|---|---|
Rainy Mountain Lode; Raven | Inactive | Mo |
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 |
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. |