Map symbol | Lithology | Unit name |
---|---|---|
Jgr | Igneous - Plutonic | Jurassic phase, Alaska-Aleutian Range batholith, undifferentiated |
PIPt | Sedimentary | Slana Spur and Station Creek Formations and Tetelna Volcanics |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
ID | Data type | Description |
---|---|---|
Talkeetna-Anchorage | M-Dz | Talkeetna-Anchorage 28968 line km with spacing 1.20 km over parts of AK |
Talkeetna-Anchorage | M-Dz | Talkeetna-Anchorage 28968 line km with spacing 1.20 km over parts of AK |
Talkeetna Mts | M/R-D | Talkeetna Mts 1810 line km with spacing 9.60 km over parts of AK |
Iron Creek | M/EM-D | Iron Creek 5103 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC11 | Low-sulfide Au-quartz veins, Chugach type | |
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC31 | Cu (Au) skarn | |
AK-SC25 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Wrangellia | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CBW208 | sediment |
Site name | Development | Commodities |
---|---|---|
Unnamed (west tributary to upper Little Falls Creek) | Prospect | AG AU CU |
Unnamed Occurrence | Occurrence | AU CU AG |
Site | Status | Commodities |
---|---|---|
Unnamed (east-southeast of hill ... | Inactive | Cu |
Sample ID | Sample source | Sample notes |
---|---|---|
CBW208 | 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 |
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. |