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 |
Areas administered by US Federal agencies |
ID | Data type | Description |
---|---|---|
Southeastern Alaska | M-D | Southeastern Alaska 12364 line km with spacing 9.60 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 |
---|---|---|
C198496 | rock | igneous greenstone |
C198497 | rock | igneous greenstone |
CCX119 | rock | |
CCX120 | rock | |
CDC309 | rock | |
CDC310 | rock | |
CDC311 | rock | |
CDC312 | rock | |
CDC313 | rock | |
CDC314 | rock | |
CDC315 | rock | |
CDC316 | rock | |
CDC317 | rock | |
CDC318 | rock | |
CDC319 | rock | |
CDC320 | rock | |
CDC321 | rock | |
CDC322 | rock | |
CDC323 | rock | |
LEQ092 | rock | |
LEQ200 | rock | |
LER406 | rock | metamorphic schist |
LER407 | rock | metamorphic schist |
LER582 | rock | igneous intermediate |
LER583 | rock | sedimentary siltstone |
LER584 | rock | sedimentary sandstone |
LER585 | rock | igneous mafic |
LER586 | rock | igneous mafic |
LER587 | rock | metamorphic phyllite-slate |
LER588 | rock | metamorphic phyllite-slate |
LER589 | rock | metamorphic phyllite-slate |
M142474 | rock | igneous greenstone |
M142527 | rock | metamorphic phyllite |
Sample ID | Rock type | Rock name |
---|---|---|
C198496 | igneous | |
C198497 | igneous | |
CCX119 | unspecified | |
CCX120 | unspecified | |
CDC309 | unspecified | |
CDC310 | unspecified | |
CDC311 | unspecified | |
CDC312 | unspecified | |
CDC313 | unspecified | |
CDC314 | unspecified | |
CDC315 | unspecified | |
CDC316 | unspecified | |
CDC317 | unspecified | |
CDC318 | unspecified | |
CDC319 | unspecified | |
CDC320 | unspecified | |
CDC321 | unspecified | |
CDC322 | unspecified | |
CDC323 | unspecified | |
LEQ092 | unspecified | |
LEQ200 | unspecified | |
LER406 | metamorphic | schist |
LER407 | metamorphic | schist |
LER582 | igneous | intermediate |
LER583 | sedimentary | siltstone |
LER584 | sedimentary | sandstone |
LER585 | igneous | mafic |
LER586 | igneous | mafic |
LER587 | metamorphic | phyllite-slate |
LER588 | metamorphic | phyllite-slate |
LER589 | metamorphic | phyllite-slate |
M142474 | metamorphic | phyllite |
M142527 | metamorphic | phyllite |
Site | Status | Commodities |
---|---|---|
Unnamed (near Flat Top Mountain) | Undetermined | Au |
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. |