Counties, states, countries, continents, or oceans | |
Sitka | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Sitka C-7 | 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 |
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-SE03 | Low-sulfide Au-quartz veins | |
AK-SE10 | Basaltic Cu | |
AK-SE11 | Cyprus massive sulfide |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCX857 | rock | metamorphic schist |
CCX858 | rock | metamorphic schist |
CDC059 | rock | metamorphic schist |
CDC060 | rock | metamorphic schist |
CDC061 | rock | metamorphic schist |
CDC062 | rock | metamorphic schist |
LFQ206 | rock | |
LFQ207 | rock | |
LFQ208 | rock | |
M139232 | rock | metamorphic metavolcanic |
M139240 | rock | metamorphic metavolcanic |
M139244 | rock | metamorphic phyllite |
Sample ID | Rock type | Rock name |
---|---|---|
CCX857 | metamorphic | schist |
CCX858 | metamorphic | schist |
CDC059 | metamorphic | schist |
CDC060 | metamorphic | schist |
CDC061 | metamorphic | schist |
CDC062 | metamorphic | schist |
LFQ206 | unspecified | |
LFQ207 | unspecified | |
LFQ208 | unspecified | |
M139232 | metamorphic | metavolcanic |
M139240 | metamorphic | metavolcanic |
M139244 | metamorphic | phyllite |
Site name | Development | Commodities |
---|---|---|
Calcium Carbonate Time | Prospect | LST |
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. |