Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Ketchikan B-5 | 1:63,360 Alaska quadrangle |
Ketchikan | 1:250,000 Alaska quadrangle |
Ketchikan A-5 | 1:63,360 Alaska quadrangle |
Ketchikan | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Ketchikan | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
ID | Data type | Description |
---|---|---|
Ketchikan '76 | M-Dz | Ketchikan '76 8529 line km with spacing 1.60 km over parts of AK |
Annette Island | M-D | Annette Island 997 line km with spacing 0.40 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-SE13 | Polymetallic vein | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CJL357 | rock | |
CJL358 | rock | |
CJL359 | rock | igneous mafic |
CJL360 | rock | igneous diorite |
CJL361 | rock | |
CJL362 | rock | igneous mafic |
CJL363 | rock | |
M185565 | rock | igneous diorite |
Sample ID | Rock type | Rock name |
---|---|---|
CJL357 | unspecified | |
CJL358 | unspecified | |
CJL359 | igneous | mafic |
CJL360 | igneous | mafic |
CJL361 | unspecified | |
CJL362 | igneous | mafic |
CJL363 | unspecified | |
M185565 | igneous | diorite |
Site name | Development | Commodities |
---|---|---|
Unnamed (near head of Annette Bay) | Occurrence | CU SB |
Unnamed (near head of Annette Bay) | Occurrence | AU CU PB |
Annette Bay | Occurrence | SB CU |
Site | Status | Commodities |
---|---|---|
Unnamed (near head of Annette Ba... | Undetermined | Cu;Sb |
Unnamed (near head of Annette Ba... | Undetermined | Au;Cu;Pb |
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. |