Map symbol | Lithology | Unit name |
---|---|---|
Kaf | Sedimentary | Chugach flysch |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
ID | Data type | Description |
---|---|---|
McCarthy | M-D | McCarthy 11748 line km with spacing 1.60 km over parts of AK |
Mc Carthy | M/R-D | Mc Carthy 1971 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 |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BAF178 | sediment | |
BAF179 | sediment | |
CAK186 | sediment | |
CAW871 | rock | |
CAZ069 | concentrate | panned C1 fraction |
CBA997 | concentrate | panned C2 fraction |
CBJ159 | concentrate | panned C3 fraction |
Sample ID | Rock type | Rock name |
---|---|---|
CAW871 | unspecified |
Site | Status | Commodities |
---|---|---|
Monahan Creek | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
BAF178 | mine dump/waste rock | |
BAF179 | mine dump/waste rock | |
CAK186 | 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. |