Counties, states, countries, continents, or oceans | |
Valdez-Cordova | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Anchorage A-4 | 1:63,360 Alaska quadrangle |
Anchorage | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Eastern Prince William Sound | hydrologic unit |
190202 | hydrologic accounting unit |
Northwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies |
ID | Data type | Description |
---|---|---|
Prince William Sound | M-D | Prince William Sound 27519 line km with spacing 1.60 km over parts of AK |
Chugach | M-D | Chugach 2743 line km with spacing 1.60 km over parts of AK |
Anchorage | M/R-D | Anchorage 2172 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC25 | Placer Au | |
AK-SC12 | Low-sulfide Au-quartz veins, Chugach type | |
AK-SC25 | Placer Au | |
AK-SC25 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Yakutat-Malaspina | Large igneous province | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BGE249 | rock | metamorphic unspecified |
BGE250 | rock | metamorphic unspecified |
BGE278 | sediment | |
CBD023 | rock | |
CFF582 | sediment | |
CFF583 | sediment | |
CFF585 | sediment | |
CFF586 | sediment | |
CFF607 | sediment | |
CFF608 | sediment | |
CFF824 | sediment | |
CFG648 | concentrate | panned C3 fraction |
CFG649 | concentrate | panned C3 fraction |
CFG651 | concentrate | panned C3 fraction |
CFG652 | concentrate | panned C3 fraction |
CFG673 | concentrate | panned C3 fraction |
CFG674 | concentrate | panned C3 fraction |
CFX670 | concentrate | panned C3 fraction |
CFX743 | concentrate | panned C3 fraction |
CFZ212 | sediment | |
CFZ242 | sediment | |
CHA106 | rock | |
CHA117 | rock |
Sample ID | Date collected | Sample type |
---|---|---|
7001541 | 1977-08-06 | Wet stream 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 |
---|---|---|
3001591 | 1977-08-06 | Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
Sample ID | Rock type | Rock name |
---|---|---|
BGE249 | metamorphic | unspecified |
BGE250 | metamorphic | unspecified |
CBD023 | unspecified | |
CHA106 | unspecified | |
CHA117 | unspecified |
Site name | Development | Commodities |
---|---|---|
Alaska Homestake Mine | Past Producer | AU PB AG |
Alaska Homestake | Prospect | AG AU PB ZN |
Black & Hogan | Prospect | AU PB AG ZN |
Site | Status | Commodities |
---|---|---|
Alaska Homestake; Black and Hoga... | Inactive | Ag;Au |
Singletary-O'Neil | Inactive | Au? |
Roth and Johnson; Fiord #1 and #... | Inactive | Au? |
Sample ID | Sample source | Sample notes |
---|---|---|
BGE278 | stream/river | stream |
CFF582 | stream/river | stream |
CFF583 | stream/river | stream |
CFF585 | stream/river | stream |
CFF586 | stream/river | stream |
CFF608 | stream/river | stream |
CFF824 | stream/river | stream |
CFZ212 | stream/river | stream |
CFZ242 | stream/river | stream |
Sample ID | Sample source | Sample notes |
---|---|---|
CFG648 | stream/river | stream |
CFG649 | stream/river | stream |
CFG651 | stream/river | stream |
CFG652 | stream/river | stream |
CFG674 | stream/river | stream |
CFX743 | stream/river | insufficient sample - data qualitative;; 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 |
Western Alaska Range | porphyry copper | Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary |
Eastern Alaska Range and Wrangell Mountains | porphyry copper | Cretaceous (115-105Ma) deposits and prospects along the Nutzotin Basin-Wrangellia terrane boundary; south of the Denali Fault |
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. |