Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Bradfield Canal B-5 | 1:63,360 Alaska quadrangle |
Bradfield Canal | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Southeast Mainland | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies |
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 | |
AK-SE14 | Zn-Pb skarn |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CDN373 | rock | igneous granodiorite |
CDN531 | rock | igneous granodiorite |
CDN554 | rock | metamorphic gneiss |
CDN577 | rock | igneous granodiorite |
CDN599 | rock | igneous granodiorite |
CDN600 | rock | metamorphic calc-silicate |
Sample ID | Rock type | Rock name |
---|---|---|
CDN373 | unspecified | |
CDN531 | unspecified | |
CDN554 | unspecified | |
CDN577 | unspecified | |
CDN599 | unspecified | |
CDN600 | unspecified |
Site name | Development | Commodities |
---|---|---|
Unnamed | Occurrence | CU |
Kapho Mountain | Prospect | ASB |
Site | Status | Commodities |
---|---|---|
Unnamed | Undetermined | Cu? |
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. |