Counties, states, countries, continents, or oceans | |
Fairbanks North Star | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Livengood A-1 | 1:63,360 Alaska quadrangle |
Livengood | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Chena River | hydrologic unit |
190405 | hydrologic accounting unit |
Southwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
ID | Data type | Description |
---|---|---|
Northeast Alaska '73 | M-D | Northeast Alaska '73 25044 line km with spacing 1.60 km over parts of AK |
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 |
Fairbanks EM West | M-D | Fairbanks EM West 5385 line km with spacing 0.40 km over parts of AK |
Fairbanks 1994 | M/EM-D | Fairbanks 1994 4325 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-EC05 | Au-Sb veins | |
AK-EC07 | Low-sulfide Au-quartz veins | |
AK-EC08 | 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 |
---|---|---|
C244418 | sediment | |
C244419 | sediment | |
C244420 | sediment | |
CGL627 | rock | metamorphic schist |
CGL628 | rock | metamorphic schist |
CGL629 | rock | igneous intermediate |
CGL630 | rock | igneous intermediate |
CGL631 | rock | igneous felsic |
CGL632 | rock | metamorphic schist |
CGL633 | rock | metamorphic schist |
F000854 | rock | metamorphic unspecified |
Sample ID | Rock type | Rock name |
---|---|---|
CGL627 | metamorphic | schist |
CGL628 | metamorphic | schist |
CGL629 | igneous | intermediate |
CGL630 | igneous | intermediate |
CGL631 | igneous | felsic |
CGL632 | metamorphic | schist |
CGL633 | metamorphic | schist |
F000854 | metamorphic | unspecified |
Site name | Development | Commodities |
---|---|---|
Alaska | Past Producer | AU |
Chatham | Past Producer | AU SB |
Harris and Brown | Prospect | AU SB |
Christina | Past Producer | AU AG SB |
Empire | Past Producer | AU |
Foster Hungerford | Prospect | AU |
Nils Genki | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Nils Genki | Inactive | Au |
Anna Mary | Inactive | Au |
Foster Hungerford; Empire; Alask... | Inactive | Au |
Alaska; Gladstone; Jupiter-Mars;... | Inactive | Au |
Empire | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
C244418 | stream/river | <63 micron stream sed. Possibly high As and Sb concentrations |
C244419 | stream/river | |
C244420 | stream/river |
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. |