Map symbol | Lithology | Unit name |
---|---|---|
Jnk | Sedimentary | Naknek Formation and Kotsina Conglomerate |
JTrmc | Sedimentary | McCarthy Formation |
PIPsm | Metamorphic | Strelna Metamorphics and related rocks |
PIPsm | Metamorphic | Strelna Metamorphics and related rocks |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Trcnk | Sedimentary | Chitistone and Nizina Limestones and Kamishak Formation |
Trn | Igneous - Volcanic | Nikolai and Goon Dip Greenstones and equivalent rocks |
ID | Data type | Description |
---|---|---|
Valdez '78 | M-D | Valdez '78 10404 line km with spacing 1.60 km over parts of AK |
Valdez | M/R-D | Valdez 2220 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC05 | Cu-Ag quartz veins | |
AK-SC16 | Kuroko massive sulfide | |
AK-SC23 | Porphyry Cu, BC-Ak type | |
AK-SC33 | Cu (Au) skarn | |
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC25 | Placer Au | |
AK-SC22 | Porphyry Cu, BC-Ak type | |
AK-SC32 | Cu (Au) skarn | |
AK-SC01 | Basaltic Cu/Kennecott Cu | |
AK-SC18 | Synorogenic-synvolcanic Ni-Cu | |
AK-SC09 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Wrangellia | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCR904 | concentrate | panned C4 fraction |
CCR905 | concentrate | panned C4 fraction |
CCT093 | sediment | |
CCT094 | sediment | |
CCT095 | sediment | |
CCT374 | rock | sedimentary argillite |
CEC876 | rock | metamorphic greenstone |
CEC877 | rock | igneous dacite |
CEC878 | rock | sedimentary limestone |
CEC879 | rock | igneous diorite |
CEC880 | rock | metamorphic greenstone |
CEC881 | rock | sedimentary chert |
CEC882 | rock | igneous greenstone |
CEC883 | rock | metamorphic greenstone |
Sample ID | Date collected | Sample type |
---|---|---|
7003297 | Wet stream sediment sample dried at less than or equal to 100øC and sieved to -80 mesh through stainless steel sieves. |
Sample ID | Date collected | Sample type |
---|---|---|
3003459 | 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 |
---|---|---|
CEC876 | igneous | greenstone |
CEC877 | igneous | dacite |
CEC878 | sedimentary | limestone |
CEC879 | igneous | diorite |
CEC880 | igneous | greenstone |
CEC881 | unspecified | chert-jasperoid |
CEC882 | igneous | greenstone |
CEC883 | igneous | greenstone |
Site name | Development | Commodities |
---|---|---|
Goodyear Prospect | Occurrence | CU |
Hubbard Elliott Mine | Past Producer | CU AU AG |
Henry Prather Prospect | Occurrence | CU |
Elizabeth Prospect | Occurrence | CU |
Louise Prospect | Occurrence | CU |
Mary Ellen Prospect | Occurrence | CU AU |
Site | Status | Commodities |
---|---|---|
Mary Ellen | Inactive | Au;Cu |
Goodyear | Inactive | Cu |
Louise | Inactive | Cu |
Henry Prather | Inactive | Cu |
Elizabeth | Inactive | Cu |
Unnamed (south of Elliott Creek) | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
CCT093 | stream/river | stream |
CCT094 | stream/river | stream |
CCT095 | stream/river | stream |
Sample ID | Sample source | Sample notes |
---|---|---|
CCR904 | stream/river | C2+C3 fractions combined;; stream |
CCR905 | stream/river | C2+C3 fractions combined;; 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. |