Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Bradfield Canal C-6 | 1:63,360 Alaska quadrangle |
Bradfield Canal | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Mainland | hydrologic unit |
190102 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
ID | Data type | Description |
---|---|---|
Petersburg '78 | M-D | Petersburg '78 13920 line km with spacing 1.60 km over parts of AK |
Bradfield Canal | M/R-D | Bradfield Canal 716 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE13 | Polymetallic vein |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CDG714 | rock | igneous granodiorite |
CDN544 | rock | igneous granite |
CDN567 | rock | igneous granite |
CDN613 | rock | igneous granodiorite |
CEA268 | sediment |
Site name | Development | Commodities |
---|---|---|
Cone Mountain | Prospect | U PB ZN |
Site | Status | Commodities |
---|---|---|
Unnamed (near Cone Mountain) | Probably inactive | U? |
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. |