Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Dixon Entrance D-5 | 1:63,360 Alaska quadrangle |
Dixon Entrance | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Prince of Wales | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies |
Map symbol | Lithology | Unit name |
---|---|---|
Kmgr | Igneous - Plutonic | Granitic rocks of central and southeast Alaska |
SOd | Sedimentary | Descon Formation and other sedimentary and volcanic rocks of Prince of Wales Island |
w | Water |
ID | Data type | Description |
---|---|---|
Dixon Entrance | M/R-D | Dixon Entrance 265 line km with spacing 9.60 km over parts of AK |
Domain | Crust type | Region |
---|---|---|
Alexander | Oceanic arc | Alaska |
Site name | Development | Commodities |
---|---|---|
Forrester Island | Occurrence | MO CU |
Site | Status | Commodities |
---|---|---|
Unnamed (north of Wood Cove, For... | Inactive | Mo |
Tract name | Deposit type | Geology |
---|---|---|
Late Continental Arc | porphyry copper | Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Oligocene-Pliocene) |
Intermontane Island-Arc | porphyry copper | Porphyry Cu systems associated with pre-accretionary Triassic and Jurassic calc-alkalic island arcs that formed offshore of western North America |
Intermontane Island-Arc Cu-Au | porphyry copper | Triassic and Jurassic alkalic igneous rocks of accreted island arcs that formed offshore of western North America |
Insular Mixed Island- and Continental Arc | porphyry copper | Calc-alkalic igneous rocks of accreted Jurassic island-arc terranes |
Cordilleran Continental Arc | porphyry copper | Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Jurassic-Eocene) |
Southeast Alaska Tertiary | porphyry copper | Tertiary subduction and postsubduction calc-alkalic plutons of southeast Alaska |
Alaska Peninsula and Aleutian Islands | porphyry copper | Tertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands |
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. |