Map symbol | Lithology | Unit name |
---|---|---|
Kk | Sedimentary | Kuskokwim Group, undivided |
Kkn | Sedimentary | Nearshore facies |
Kqcs | Sedimentary | Quartz-carbonate sandstone and pebbly mudstone |
TKv | Igneous - Volcanic | Volcanic rocks in southern Alaska |
Trsl | Sedimentary | Spiculite and sandy limestone |
ID | Data type | Description |
---|---|---|
Medfra '78 | M-D | Medfra '78 10702 line km with spacing 1.60 km over parts of AK |
Medfra | M/R-D | Medfra 2245 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-WC16 | Plutonic porphyry Au | |
AK-WC22 | Polymetallic vein | |
AK-WC17 | Placer Au | |
AK-WC07 | Epithermal vein, hot spring Au | |
AK-WC10 | Low-sulfide Au-quartz veins | |
AK-WC03 | Besshi massive sulfide |
Domain | Crust type | Region |
---|---|---|
Farewell-McGrath | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCS028 | rock | igneous quartz porphyry |
CCS029 | rock | igneous quartz porphyry |
CCS030 | rock | igneous quartz porphyry |
CCS031 | rock | igneous rhyolite porphyry |
CCS032 | rock | metamorphic meta-argillite |
CCS035 | rock | metamorphic meta-argillite |
CCS036 | rock | igneous felsic porphyry |
CCS037 | rock | igneous felsic porphyry |
CCS038 | rock | sedimentary argillite |
CCS039 | rock | igneous andesite porphyry |
CCS040 | rock | metamorphic metasiltstone |
CCS041 | rock | igneous felsite |
CCS042 | rock | metamorphic hornfels |
CCS045 | rock | sedimentary argillite |
CCS185 | rock | metamorphic gossan |
CCS186 | rock | sedimentary argillite |
CCS187 | rock | igneous quartz porphyry |
M137803 | rock | igneous dacite porphyry |
Sample ID | Rock type | Rock name |
---|---|---|
CCS028 | igneous | quartz porphyry |
CCS029 | igneous | quartz porphyry |
CCS030 | igneous | quartz porphyry |
CCS031 | igneous | quartz porphyry |
CCS032 | metamorphic | meta-argillite |
CCS035 | metamorphic | meta-argillite |
CCS036 | igneous | felsic porphyry |
CCS037 | igneous | felsic porphyry |
CCS038 | sedimentary | argillite |
CCS039 | igneous | andesite porphyry |
CCS040 | metamorphic | metasiltstone |
CCS045 | sedimentary | argillite |
CCS186 | sedimentary | argillite |
CCS187 | igneous | quartz porphyry |
M137803 | igneous | dacite porphyry |
Site name | Development | Commodities |
---|---|---|
Copenhagen Hill | Prospect | CU AG AU |
Site | Status | Commodities |
---|---|---|
Copenhagen Hill | Inactive | Cu |
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 |
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. |