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 | |
Cordova D-7 | 1:63,360 Alaska quadrangle |
Cordova | 1:250,000 Alaska quadrangle |
Map symbol | Lithology | Unit name |
---|---|---|
Togv | Igneous - Volcanic | Volcanic rocks of the Orca Group and Ghost Rocks Formation |
Tos | Sedimentary | Sedimentary rocks of the Orca Group |
Tovs | Sedimentary | Sedimentary and volcanic rocks of the Orca Group, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
Prince William Sound | M-D | Prince William Sound 27519 line km with spacing 1.60 km over parts of AK |
Cordova | M/R-D | Cordova 1496 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC25 | Placer Au | |
AK-SC06 | Cyprus massive sulfide | |
AK-SC04 | Besshi massive sulfide |
Domain | Crust type | Region |
---|---|---|
Yakutat-Malaspina | Large igneous province | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CFF778 | sediment | |
CFF779 | sediment | |
CFF780 | sediment | |
CFG618 | rock | metamorphic greenstone |
CFG619 | rock | metamorphic slate |
CFR006 | rock | igneous mafic |
CFR007 | rock | igneous mafic |
CFT313 | concentrate | panned C3 fraction |
CFT314 | concentrate | panned C3 fraction |
CFT315 | concentrate | panned C3 fraction |
D570395 | sediment | |
LFJ935 | rock | sedimentary unspecified |
LFY674 | sediment | |
LGL229 | concentrate | panned C3 fraction |
Sample ID | Material | Source |
---|---|---|
C-149958 | Sediment | Stream, Wet |
Sample ID | Date collected | Sample type |
---|---|---|
7018072 | 1978-06-20 | 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 |
---|---|---|
3019453 | 1978-06-20 | 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 |
---|---|---|
CFG618 | metamorphic | greenstone |
CFG619 | metamorphic | slate |
CFR007 | igneous | unspecified |
LFJ935 | sedimentary | unspecified |
Site name | Development | Commodities |
---|---|---|
Chisna Consolidated (Buckeye Group) | Past Producer | CU AG AU |
Site | Status | Commodities |
---|---|---|
Chisna Consolidated (Buckeye Gro... | Inactive | Cu |
Sample ID | Sample source | Sample notes |
---|---|---|
CFF778 | stream/river | stream |
CFF779 | stream/river | stream |
LFY674 | stream/river | 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 |
Skolai Arc - Eastern Alaska | porphyry copper | Late Paleozoic Skolai Arc of the Wrangellia terrane; 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. |