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 | |
West Chichagof-Yakobi Wilderness | Wilderness |
Wilderness FS | Type of land area |
FS | Federal land areas administered by FS |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
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 |
---|---|---|
CCX110 | rock | |
CCX422 | sediment | |
CCX423 | rock | |
CCX424 | sediment | |
CCX425 | sediment | |
CDC780 | rock | |
CDC781 | rock | |
LEQ042 | rock | |
LEQ043 | rock | |
LEQ044 | rock | |
LEQ045 | rock | |
LER231 | rock | |
LER232 | rock | |
LER233 | rock | |
LER338 | rock | sedimentary sandstone |
LER339 | rock | sedimentary siltstone |
LER344 | rock | sedimentary sandstone |
LER345 | rock | sedimentary siltstone |
LFL064 | rock | |
LFL065 | rock | |
LFL066 | rock | |
LFL067 | rock | |
LFL068 | rock | |
LFL069 | rock | |
LFL070 | rock | |
LFQ200 | rock | |
LFQ201 | rock | |
LFQ202 | rock | |
LFS222 | rock | |
LFS223 | rock | |
LFS233 | rock | |
LFS234 | rock | |
LFS235 | rock | |
LFS236 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
CCX110 | unspecified | |
CCX423 | unspecified | |
CDC780 | unspecified | |
CDC781 | unspecified | |
LEQ042 | unspecified | |
LEQ043 | unspecified | |
LEQ044 | unspecified | |
LEQ045 | unspecified | |
LER231 | unspecified | |
LER232 | unspecified | |
LER233 | unspecified | |
LER338 | sedimentary | sandstone |
LER339 | sedimentary | siltstone |
LER344 | sedimentary | sandstone |
LER345 | sedimentary | siltstone |
LER850 | unspecified | |
LFL064 | unspecified | |
LFL065 | unspecified | |
LFL066 | unspecified | |
LFL067 | unspecified | |
LFL068 | unspecified | |
LFL070 | unspecified | |
LFQ200 | unspecified | |
LFQ201 | unspecified | |
LFQ202 | unspecified | |
LFS222 | unspecified | |
LFS223 | unspecified | |
LFS233 | unspecified | |
LFS234 | unspecified | |
LFS235 | unspecified | |
LFS236 | unspecified |
Site name | Development | Commodities |
---|---|---|
McKallick Placer | Occurrence | AU |
American Gold Co. Gold Prospect | Occurrence | AU |
Gold Reef No. 1 Gold Prospect | Occurrence | AU |
Golden Slipper | Prospect | AU AG |
McKallick Placer | Prospect | AU |
Site | Status | Commodities |
---|---|---|
American Gold Company; Golden Sl... | Undetermined | Au |
McKallick | Undetermined | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
CCX422 | mine dump/waste rock | McKallick placer, collected by USBM; |
CCX424 | mine dump/waste rock | McKallick placer, collected by USBM; |
CCX425 | mine dump/waste rock | McKallick placer, collected by USBM; |
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. |