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 | |
Eagle D-3 | 1:63,360 Alaska quadrangle |
Eagle | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Eagle to Circle | hydrologic unit |
190404 | hydrologic accounting unit |
Southwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Yukon-Charley Rivers National Preserve | National Preserve |
National Preserve NPS | Type of land area |
NPS | Federal land areas administered by NPS |
Map symbol | Lithology | Unit name |
---|---|---|
MzPzyo | Igneous - Volcanic | Peridotite of dismembered ophiolite of the Yukon-Tanana region |
PzPxybg | Metamorphic | Biotite gneiss, marble, schist, quartzite, and amphibolite |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
QTs | Unconsolidated | Poorly consolidated surficial deposits |
TrMsm | Metamorphic | Seventymile assemblage |
TrMsm | Metamorphic | Seventymile assemblage |
TrMsm | Metamorphic | Seventymile assemblage |
ID | Data type | Description |
---|---|---|
Alaska Regional | M-Dz | Alaska Regional 14484 line km with spacing 16.10 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 |
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-EC16 | Polymetallic replacement | |
AK-EC19 | Cu (Au) skarn | |
AK-EC21 | Sedex Zn-Pb | |
AK-EC18 | Polymetallic vein | |
AK-EC20 | Zn-Pb skarn | |
AK-EC09 | Kipushi Cu-Pb-Zn | |
AK-EC11 | Mississippi Valley Type | |
AK-EC15 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Yukon-Tanana upper | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
AGH628 | soil | |
AGH629 | soil | |
AGH630 | soil | |
AGH631 | soil | |
AGH646 | rock | igneous diorite |
AGH647 | rock | |
AGH648 | rock | metamorphic serpentinite |
Sample ID | Rock type | Rock name |
---|---|---|
AGH646 | igneous | diorite |
AGH647 | unspecified | |
AGH648 | igneous | serpentinite |
Site name | Development | Commodities |
---|---|---|
Bonanza Creek Prospect | Occurrence | AU |
Bonanza, Easter Lodes | Prospect | AU CU |
Site | Status | Commodities |
---|---|---|
Bonanza Creek (lode) | Active? | 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. |