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 | |
Fairbanks D-3 | 1:63,360 Alaska quadrangle |
Fairbanks | 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 |
---|---|---|
Dmi | Metamorphic | Metamorphosed mafic igneous rocks |
PzPxyqs | Metamorphic | Quartzite and pelitic schist |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
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 |
Fairbanks 1954 | M-Dz | Fairbanks 1954 1713 line km with spacing 1.60 km over parts of AK |
Fairbanks | M/R-D | Fairbanks 2035 line km with spacing 9.60 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 |
---|---|---|
CGW901 | mineral | |
CGW902 | mineral | |
CGW903 | mineral | |
CGW904 | mineral | |
CHA546 | concentrate | panned C3 fraction |
CHA600 | concentrate | panned C3 fraction |
CHA608 | concentrate | panned C3 fraction |
CHV963 | concentrate | panned C3 fraction |
CJK109 | mineral | |
CJK110 | mineral | |
CJK111 | mineral | |
CJK112 | mineral | |
CJK113 | mineral | |
CJK114 | mineral | |
CJK115 | mineral | |
CJK116 | mineral | |
CJK117 | mineral | |
CJK118 | mineral | |
CJK119 | mineral | |
CJK120 | mineral | |
CJK121 | mineral |
Site name | Development | Commodities |
---|---|---|
Sanford | Past Producer | AU |
Happy Cr | Prospect | AU |
Sanford | Past Producer | AU |
Site | Status | Commodities |
---|---|---|
Sanford; Lone Tree | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
CHA546 | stream/river | Alder Lode;; stream |
CHA600 | stream/river | Clipper;; stream |
CHA608 | stream/river | Alder Ck;; stream |
CHV963 | stream/river | Clipper Mine; George Loundsberry;; stream |
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. |
Feature ID | Feature type | Feature name |
---|---|---|
Prospect Pit | point | |
Open Pit Mine or Quarry | point | |
Open Pit Mine or Quarry | point |