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 |
---|---|---|
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 | |
CCX339 | sediment | |
CCX345 | sediment | |
CCX558 | concentrate | panned only concentrate |
CCX564 | concentrate | panned only concentrate |
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 |
CDC057 | rock | igneous intermediate |
CDC058 | rock | igneous intermediate |
CDC660 | rock | metamorphic schist |
CDC661 | rock | metamorphic schist |
CDC662 | rock | metamorphic phyllite-slate |
CDC663 | rock | metamorphic phyllite-slate |
CDC891 | rock | |
EFH084 | concentrate | panned C3 fraction |
EFH090 | concentrate | panned C3 fraction |
LER113 | rock | sedimentary sandstone |
LER114 | rock | sedimentary sandstone |
LER119 | rock | igneous intermediate |
LER120 | rock | igneous intermediate |
LFL075 | rock | |
LFL076 | rock | |
LFL077 | rock | |
LFL078 | rock | |
LFL079 | rock | |
LFL080 | rock | |
LFL081 | rock | |
LFL129 | sediment | |
LFL130 | sediment | |
LFL131 | sediment | |
LFS213 | rock | |
LFS214 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
CCX082 | unspecified | |
CCX083 | unspecified | |
CDC047 | igneous | intermediate |
CDC048 | igneous | intermediate |
CDC049 | metamorphic | phyllite-slate |
CDC050 | metamorphic | phyllite-slate |
CDC051 | igneous | intermediate |
CDC052 | igneous | intermediate |
CDC053 | metamorphic | schist |
CDC054 | metamorphic | schist |
CDC055 | igneous | intermediate |
CDC056 | igneous | intermediate |
CDC057 | igneous | intermediate |
CDC058 | igneous | intermediate |
CDC660 | metamorphic | schist |
CDC661 | metamorphic | schist |
CDC662 | metamorphic | phyllite-slate |
CDC663 | metamorphic | phyllite-slate |
CDC891 | unspecified | |
LFL075 | unspecified | |
LFL076 | unspecified | |
LFL077 | unspecified | |
LFL078 | unspecified | |
LFL079 | unspecified | |
LFL080 | unspecified | |
LFL081 | unspecified | |
LFS213 | unspecified | |
LFS214 | unspecified |
Site | Status | Commodities |
---|---|---|
Winther | Undetermined | |
Eagle Group | Undetermined | |
Unnamed (shore of Black Bay) | Undetermined |
Sample ID | Sample source | Sample notes |
---|---|---|
CCX339 | stream/river | stream |
CCX345 | stream/river | stream |
LFL129 | stream/river | precious metal mineralization;; Great Land Slide Mt Lydonia, collected by USBM;; stream |
LFL130 | stream/river | precious metal mineralization;; collected by USBM;; stream |
LFL131 | stream/river | precious metal mineralization;; collected by USBM;; stream |
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. |