Counties, states, countries, continents, or oceans | |
Haines | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Skagway A-1 | 1:63,360 Alaska quadrangle |
Skagway | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Chilkat-Skagway Rivers | hydrologic unit |
190103 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
ID | Data type | Description |
---|---|---|
Southeastern Alaska | M-D | Southeastern Alaska 12364 line km with spacing 9.60 km over parts of AK |
Skagway | M/R-D | Skagway 450 line km with spacing 9.60 km over parts of AK |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Site name | Development | Commodities |
---|---|---|
Unnamed (on southern Chilkat Peninsula) | Occurrence | AG AU CU ZN AS PB W |
Site | Status | Commodities |
---|---|---|
Unnamed (on southern Chilkat Pen... | Probably inactive | Ag;Au;Cu;Zn |
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 |
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. |