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 | |
Livengood C-4 | 1:63,360 Alaska quadrangle |
Livengood | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Tolovana River | hydrologic unit |
190405 | hydrologic accounting unit |
Southwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
Dcr | Sedimentary | Cascaden Ridge and Beaver Bend combined correlative units |
DZkb | Sedimentary | Older carbonate strata of the Porcupine River sequence of Brosgé and Reiser (1969) and equivalent units |
PzPxmi | Igneous - Plutonic | Mafic igneous rocks, central and northeast Alaska |
TKg | Igneous - Plutonic | Felsic granitic rocks |
ID | Data type | Description |
---|---|---|
Northeast Alaska '73 | M-D | Northeast Alaska '73 25044 line km with spacing 1.60 km over parts of AK |
Livengood | M/EM-D | Livengood 1687 line km with spacing 0.40 km over parts of AK |
Alaska Regional | M-Dz | Alaska Regional 14484 line km with spacing 16.10 km over parts of AK |
Northeast Alaska '72 | M-D | Northeast Alaska '72 27841 line km with spacing 1.90 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-EC18 | Polymetallic vein | |
AK-EC20 | Zn-Pb skarn | |
AK-EC09 | Kipushi Cu-Pb-Zn | |
AK-EC11 | Mississippi Valley Type | |
AK-EC15 | Placer Au | |
AK-EC21 | Sedex Zn-Pb |
Domain | Crust type | Region |
---|---|---|
Wickersham | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CHW936 | rock | igneous monzonite |
CHW937 | rock | sedimentary claystone |
CHW938 | rock | igneous unspecified |
F000563 | rock | igneous monzonite |
Site name | Development | Commodities |
---|---|---|
Ruth Creek | Prospect | AU AG CR |
Old Smoky | Prospect | AU SB |
Ruth Creek | Past Producer | AU SB CR HG AG |
Satellite | Past Producer | AU SB CR CO HG NI AG U |
Griffin | Prospect | AU CR NI |
Lillian Creek | Occurrence | W SB CR AU HG |
Site | Status | Commodities |
---|---|---|
Ruth Creek | Inactive | Au |
Griffin | Inactive | Au |
Old Smoky | Inactive | Au |
Livengood; Old Smoky; Ruth Creek... | Active | As;Au;Fe;Sb |
Deposit name | Deposit type | Location |
---|---|---|
Ruth Creek Placer | Producer | Alaska, United States |
Livengood Creek Placer | Producer | Alaska, United States |
Satellite | Past Producer | Alaska, United States |
Ruth Creek | Past Producer | Alaska, United States |
Ruth Creek | Occurrence | Alaska, United States |
Lillian Creek | Occurrence | Alaska, United States |
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. |