Counties, states, countries, continents, or oceans | |
Anchorage | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Anchorage B-7 | 1:63,360 Alaska quadrangle |
Anchorage | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Matanuska | hydrologic unit |
190204 | hydrologic accounting unit |
Northwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
Jhg | Igneous - Plutonic | Plutonic rocks of Hidden terrane |
JTrsch | Metamorphic | Blueschist of southern Alaska |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
Cook Inlet '57-'58 | M-D | Cook Inlet '57-'58 -9999 line km with spacing 3.20 km over parts of AK |
Anchorage '82 | M-D | Anchorage '82 6389 line km with spacing 1.60 km over parts of AK |
Anchorage | M/R-D | Anchorage 2172 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC31 | Cu (Au) skarn | |
AK-SC25 | Placer Au | |
AK-SC19 | Synorogenic-synvolcanic Ni-Cu |
Domain | Crust type | Region |
---|---|---|
Peninsular-Talkeetna | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BAN152 | rock | metamorphic metadiorite |
BAN153 | rock | metamorphic meta-igneous |
BAN154 | rock | metamorphic meta-igneous |
Sample ID | Rock type | Rock name |
---|---|---|
BAN154 | igneous | felsite |
Site name | Development | Commodities |
---|---|---|
Myers | Occurrence | PB ZN CU |
Myers | Prospect | PB CU ZN |
Site | Status | Commodities |
---|---|---|
Myers | Inactive | Pb;Zn |
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. |