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 |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
w | Water |
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 1994 | M/EM-D | Fairbanks 1994 4325 line km with spacing 0.40 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 |
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 |
Record | Type | Comment |
---|---|---|
UA743 |
Lab ID | Sample medium | Description |
---|---|---|
C214040 | mineral | |
CGW888 | mineral | |
CGW889 | mineral | |
CGW890 | mineral | |
CGW891 | mineral | |
CGW896 | mineral | |
CGW980 | mineral | |
CGW981 | mineral | |
CGW982 | mineral | |
CGW992 | mineral | |
CGW993 | mineral | |
CGW994 | mineral | |
CGW995 | mineral | |
CHA561 | concentrate | panned C3 fraction |
CHA562 | concentrate | panned C3 fraction |
CHA563 | concentrate | panned C3 fraction |
CHA564 | concentrate | panned C3 fraction |
CHA565 | concentrate | panned C3 fraction |
CHA566 | concentrate | panned C3 fraction |
CHA569 | concentrate | panned C3 fraction |
CHA570 | concentrate | panned C3 fraction |
CHA571 | concentrate | panned C3 fraction |
CHA601 | concentrate | panned C3 fraction |
M119881 | sediment |
Sample ID | Date collected | Sample type |
---|---|---|
7025602 | 1977-06-03 | Wet artificial-pond sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves. |
7025603 | 1977-06-03 | Wet artificial-pond sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves. |
Sample ID | Date collected | Sample type |
---|---|---|
3027297 | 1977-06-03 | Artificial-pond water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
3027298 | 1977-06-03 | Artificial-pond water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
Site name | Development | Commodities |
---|---|---|
Clipper | Past Producer | AU SB |
Eva Creek | Producer | AU |
Ester Creek | Past Producer | AU SB W |
Cripple Creek | Past Producer | AU SN |
Hilltop Zone | Plant | AU AG |
Little Flower | Past Producer | AU |
St. Paul | Past Producer | AU SB |
Billy Sunday | Past Producer | AU PB SB ZN |
McDonald | Past Producer | AU |
Stay | Past Producer | AU SB |
Yellow Eagle | Past Producer | AU |
Ryan Lode | Past Producer | AU SB |
Ryan Mine | Past Producer | AU SB |
Eva Quartz Co. Prospect | Occurrence | AU |
Crown Point | Prospect | AU |
Crown Point | Past Producer | AU SB |
Ester Creek | Occurrence | W AU SB |
Camp Bird | Prospect | AU |
Ryan Mine | Prospect | AU SB AS |
Irad | Prospect | AU |
Hegan and Lefebre | Prospect | AU |
Ester Pit & Portable Mill | Past Producer | SDG |
Carson Holt Placer | Past Producer | AU |
Cripple Cr | Prospect | F |
Site | Status | Commodities |
---|---|---|
Yellow Eagle | Inactive | Au |
St. Paul; McCann, Thomas, Mickle... | Inactive | Au |
Irad | Inactive | Au |
Camp Bird | Inactive | Au |
Clipper; Lounsbury | Inactive | Au |
Little Flower; Flower; McCann an... | Inactive | Au |
Hegan and Lefebre | Inactive | Au? |
Eva Creek | Active? | Au |
Billy Sunday; Leah Fraction; Smi... | Inactive | Au |
Ryan Lode | Inactive | Ag;Au |
McDonald; Morton; Blue Bird; Blu... | Inactive | Au |
Crown Point; Comstock | Inactive | Au |
Stay; Little Eva; Eva No. 2; Cur... | Inactive | Au |
Cripple Creek | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
M119881 | clay; |
Sample ID | Sample source | Sample notes |
---|---|---|
CHA561 | stream/river | Lookout Shear;; stream |
CHA562 | stream/river | Lookout Shear;; stream |
CHA563 | stream/river | Lookout Shear;; stream |
CHA564 | stream/river | Lookout Shear;; stream |
CHA565 | stream/river | Lookout Shear;; stream |
CHA566 | stream/river | Lookout Shear;; stream |
CHA569 | stream/river | Ryan Lode;; stream |
CHA570 | stream/river | Ryan Lode;; stream |
CHA571 | stream/river | Ryan Lode;; stream |
CHA601 | stream/river | Ester Ck prospect;; 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. |