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 |
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 |
---|---|---|
CCX345 | sediment | |
CCX564 | concentrate | panned only concentrate |
CCX853 | rock | sedimentary sandstone |
CCX854 | rock | sedimentary sandstone |
CCX855 | rock | igneous intermediate |
CCX856 | rock | igneous intermediate |
CDC057 | rock | igneous intermediate |
CDC058 | rock | igneous intermediate |
CDC059 | rock | metamorphic schist |
CDC060 | rock | metamorphic schist |
CDC061 | rock | metamorphic schist |
CDC062 | rock | metamorphic schist |
EFH090 | concentrate | panned C3 fraction |
LER113 | rock | sedimentary sandstone |
LER114 | rock | sedimentary sandstone |
LER115 | rock | sedimentary siltstone |
LER116 | rock | sedimentary siltstone |
LER117 | rock | sedimentary sandstone |
LER118 | rock | sedimentary sandstone |
LER119 | rock | igneous intermediate |
LER120 | rock | igneous intermediate |
LER121 | rock | sedimentary sandstone |
LER122 | rock | sedimentary sandstone |
LER123 | rock | sedimentary sandstone |
LER124 | rock | sedimentary sandstone |
LER125 | rock | igneous unspecified |
LER126 | rock | igneous unspecified |
LER127 | rock | igneous intermediate |
LER128 | rock | igneous intermediate |
LER236 | rock | |
LFL080 | rock | |
LFL081 | rock | |
LFL101 | rock | |
LFL102 | rock | |
LFL103 | rock | |
LFL129 | sediment | |
LFL130 | sediment | |
LFL131 | sediment | |
M139244 | rock | metamorphic phyllite |
Sample ID | Rock type | Rock name |
---|---|---|
CDC057 | igneous | intermediate |
CDC058 | igneous | intermediate |
CDC059 | metamorphic | schist |
CDC060 | metamorphic | schist |
CDC061 | metamorphic | schist |
CDC062 | metamorphic | schist |
LER113 | sedimentary | sandstone |
LER114 | sedimentary | sandstone |
LER115 | sedimentary | siltstone |
LER116 | sedimentary | siltstone |
LER117 | sedimentary | sandstone |
LER118 | sedimentary | sandstone |
LER119 | igneous | intermediate |
LER120 | igneous | intermediate |
LER121 | sedimentary | sandstone |
LER122 | sedimentary | sandstone |
LER123 | sedimentary | sandstone |
LER124 | sedimentary | sandstone |
LER125 | igneous | unspecified |
LER126 | igneous | unspecified |
LER127 | igneous | intermediate |
LER128 | igneous | intermediate |
LFL080 | unspecified | |
LFL081 | unspecified | |
LFL101 | unspecified | |
LFL102 | unspecified | |
LFL103 | unspecified | |
M139244 | metamorphic | phyllite |
Site | Status | Commodities |
---|---|---|
Eagle Group | Undetermined | |
Minnie | Undetermined |
Sample ID | Sample source | Sample notes |
---|---|---|
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. |