Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Sitka D-8 | 1:63,360 Alaska quadrangle |
Sitka | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Baranof-Chicagof Islands | 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 |
---|---|---|
Gulf of Alaska | M-Dz | Gulf of Alaska 30899 line km with spacing 0.80 km over parts of AK |
Sitka '78 | M-D | Sitka '78 5536 line km with spacing 0.80 km over parts of AK |
Sitka | M/R-D | Sitka 579 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE07 | Porphyry Cu | |
AK-SE19 | Porphyry Cu, skarn related | |
AK-SE10 | Basaltic Cu | |
AK-SE03 | Low-sulfide Au-quartz veins | |
AK-SE13 | Polymetallic vein | |
AK-SE20 | Porphyry Cu-Mo |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
C198506 | rock | metamorphic greenstone |
C198507 | rock | metamorphic greenstone |
CCX207 | rock | |
CCX208 | rock | |
CCX209 | rock | |
CCX210 | rock | |
CCX211 | rock | |
LEQ792 | rock | igneous mafic |
LEQ793 | rock | igneous mafic |
LEQ794 | rock | igneous mafic |
LEQ795 | rock | igneous mafic |
LER714 | rock | metamorphic greenstone |
LER715 | rock | igneous mafic |
LER716 | rock | metamorphic greenstone |
LER717 | rock | igneous mafic |
LER973 | rock | igneous unspecified |
M142485 | rock | metamorphic greenstone |
M142486 | rock | metamorphic greenstone |
Sample ID | Rock type | Rock name |
---|---|---|
C198507 | metamorphic | |
CCX207 | unspecified | |
CCX208 | unspecified | |
CCX209 | unspecified | |
CCX210 | unspecified | |
CCX211 | unspecified | |
LEQ792 | igneous | mafic |
LEQ793 | igneous | mafic |
LEQ794 | igneous | mafic |
LEQ795 | igneous | mafic |
LER716 | igneous | mafic |
LER717 | igneous | mafic |
M142486 | metamorphic | greenstone |
Site name | Development | Commodities |
---|---|---|
Stag Bay Iron-Copper Prospect | Occurrence | FE CU |
Stag Bay Copper | Prospect | FE CU |
Site | Status | Commodities |
---|---|---|
Unnamed (southeast of mouth of S... | Probably inactive | Cu;Fe |
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. |