Counties, states, countries, continents, or oceans | |
Ketchikan Gateway | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Ketchikan D-3 | 1:63,360 Alaska quadrangle |
Ketchikan | 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 |
---|---|---|
SE Alaska (Granite Fiords) | M-Dz | SE Alaska (Granite Fiords) 2735 line km with spacing 1.60 km over parts of AK |
Ketchikan | M/R-D | Ketchikan 1609 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE09 | Cu Skarn | |
AK-SE13 | Polymetallic vein | |
AK-SE14 | Zn-Pb skarn |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BDT349 | sediment | |
BDT349A | sediment | |
BDT350 | sediment | |
BDT350A | sediment | |
BDT351 | sediment | |
BDT437 | rock | |
BDT438 | rock | metamorphic unspecified |
BDT439 | rock | metamorphic unspecified |
BDT440 | rock | metamorphic gneiss |
BDT441 | rock | metamorphic unspecified |
BDT442 | rock | metamorphic unspecified |
BDT443 | rock | metamorphic unspecified |
BDT444 | rock | metamorphic unspecified |
BDT445 | rock | metamorphic unspecified |
BDT446 | rock | metamorphic gneiss |
BDT447 | rock | metamorphic gneiss |
BDT448 | rock | metamorphic gneiss |
BDT449 | rock | metamorphic gneiss |
BDT450 | rock | metamorphic gneiss |
BDT451 | rock | metamorphic gneiss |
BDT452 | rock | metamorphic unspecified |
BDT453 | rock | metamorphic unspecified |
BDT454 | rock | metamorphic unspecified |
BDT469 | rock | |
BGA512 | rock | metamorphic gneiss |
Sample ID | Rock type | Rock name |
---|---|---|
BDT437 | unspecified | |
BDT438 | metamorphic | unspecified |
BDT439 | metamorphic | unspecified |
BDT440 | metamorphic | gneiss |
BDT441 | metamorphic | unspecified |
BDT442 | metamorphic | unspecified |
BDT443 | metamorphic | unspecified |
BDT444 | metamorphic | unspecified |
BDT445 | metamorphic | unspecified |
BDT446 | metamorphic | gneiss |
BDT447 | metamorphic | gneiss |
BDT448 | metamorphic | gneiss |
BDT449 | metamorphic | gneiss |
BDT450 | metamorphic | gneiss |
BDT451 | metamorphic | gneiss |
BDT452 | metamorphic | unspecified |
BDT453 | metamorphic | unspecified |
BDT454 | metamorphic | unspecified |
BDT469 | unspecified | |
BGA512 | metamorphic | unspecified |
Site name | Development | Commodities |
---|---|---|
Unnamed (north of confluence of Chickamin River and South Fork) | Occurrence | CU MO AG PB ZN |
Site | Status | Commodities |
---|---|---|
Unnamed (north of confluence of ... | Undetermined | Cu;Mo |
Sample ID | Sample source | Sample notes |
---|---|---|
BDT349 | stream/river | stream |
BDT349A | stream/river | stream |
BDT350 | stream/river | stream |
BDT350A | stream/river | stream |
BDT351 | stream/river | stream |
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. |