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 |
Map symbol | Lithology | Unit name |
---|---|---|
Kafv | Sedimentary | Volcanic rocks of Chugach accretionary complex |
Kkbm | Tectonite | Khaz Complex |
Kkbm | Tectonite | Khaz Complex |
Kkbm | Tectonite | Khaz Complex |
Ksg | Sedimentary | Sitka Graywacke, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
Gulf of Alaska | M-Dz | Gulf of Alaska 30899 line km with spacing 0.80 km over parts of AK |
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 |
---|---|---|
CCX082 | rock | |
CCX083 | rock | |
CCX084 | rock | |
CCX085 | rock | |
CCX342 | sediment | |
CCX343 | sediment | |
CCX561 | concentrate | panned only concentrate |
CCX562 | concentrate | panned only concentrate |
CDC043 | rock | metamorphic quartzite |
CDC044 | rock | metamorphic quartzite |
CDC045 | rock | sedimentary shale |
CDC046 | rock | sedimentary shale |
CDC047 | rock | igneous intermediate |
CDC048 | rock | igneous intermediate |
CDC049 | rock | metamorphic phyllite-slate |
CDC050 | rock | metamorphic phyllite-slate |
CDC051 | rock | igneous intermediate |
CDC052 | rock | igneous intermediate |
CDC053 | rock | metamorphic schist |
CDC054 | rock | metamorphic schist |
CDC055 | rock | igneous intermediate |
CDC056 | rock | igneous intermediate |
CDC891 | rock | |
EFH087 | concentrate | panned C3 fraction |
EFH088 | concentrate | panned C3 fraction |
LEQ712 | rock | metamorphic schist |
LEQ713 | rock | metamorphic schist |
LER111 | rock | sedimentary sandstone |
LER112 | rock | sedimentary sandstone |
LER221 | rock | |
LER222 | rock | |
LFL075 | rock | |
LFL076 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
CCX082 | unspecified | |
CCX083 | unspecified | |
CCX084 | unspecified | |
CCX085 | unspecified | |
CDC043 | metamorphic | quartzite |
CDC044 | metamorphic | quartzite |
CDC045 | sedimentary | shale |
CDC046 | sedimentary | shale |
CDC051 | igneous | intermediate |
CDC052 | igneous | intermediate |
CDC053 | metamorphic | schist |
CDC054 | metamorphic | schist |
CDC055 | igneous | intermediate |
CDC056 | igneous | intermediate |
CDC891 | unspecified | |
LEQ712 | metamorphic | schist |
LEQ713 | metamorphic | schist |
LER111 | sedimentary | sandstone |
LER112 | sedimentary | sandstone |
LER221 | unspecified | |
LER222 | unspecified | |
LER273 | sedimentary | siltstone |
LER274 | sedimentary | siltstone |
LFL075 | unspecified | |
LFL076 | unspecified |
Site | Status | Commodities |
---|---|---|
Winther | Undetermined | |
Unnamed (shore of Black Bay) | Undetermined | |
Rain Bow | Undetermined |
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. |