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 |
Map symbol | Lithology | Unit name |
---|---|---|
Ksg | Sedimentary | Sitka Graywacke, undivided |
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 |
Sample ID | Rock type | Rock name |
---|---|---|
CCX086 | unspecified | |
CCX087 | unspecified | |
CCX088 | unspecified | |
CDC216 | unspecified | |
CDC217 | unspecified | |
CDC218 | unspecified | |
CDC219 | unspecified | |
CDC220 | unspecified | |
CDC221 | unspecified | |
CDC222 | unspecified | |
CDC223 | unspecified | |
CDC224 | unspecified | |
CDC225 | unspecified | |
CDC226 | unspecified | |
CDC759 | unspecified | |
CDC760 | unspecified | |
CDC761 | unspecified | |
LEI709 | unspecified | |
LEI710 | unspecified | |
LEI711 | unspecified | |
LEI712 | unspecified | |
LEI713 | unspecified | |
LEI714 | unspecified | |
LEI715 | unspecified | |
LEI716 | unspecified | |
LEI717 | unspecified | |
LEI718 | unspecified | |
LEI719 | unspecified | |
LEI720 | unspecified | |
LEI721 | unspecified | |
LEI722 | unspecified | |
LEI723 | unspecified | |
LEI724 | unspecified | |
LEI725 | unspecified | |
LEI726 | unspecified | |
LEI727 | unspecified | |
LEI740 | unspecified | |
LEI741 | unspecified | |
LEI742 | unspecified | |
LEI743 | unspecified | |
LEI744 | unspecified | |
LEI770 | unspecified | |
LEI771 | unspecified | |
LEI772 | unspecified | |
LEI773 | unspecified | |
LEI774 | unspecified | |
LEI775 | unspecified | |
LEI776 | unspecified | |
LEI777 | unspecified | |
LEI778 | unspecified | |
LEI779 | unspecified | |
LEQ016 | unspecified | |
LEQ017 | unspecified | |
LEQ018 | unspecified | |
LEQ019 | unspecified | |
LEQ020 | unspecified | |
LEQ021 | unspecified | |
LEQ022 | unspecified | |
LEQ023 | unspecified | |
LEQ024 | unspecified | |
LEQ025 | unspecified | |
LEQ026 | unspecified | |
LEQ027 | unspecified | |
LEQ028 | unspecified | |
LEQ029 | unspecified | |
LEQ030 | unspecified | |
LEQ031 | unspecified | |
LEQ032 | unspecified | |
LEQ033 | unspecified | |
LEQ034 | unspecified | |
LEQ035 | unspecified | |
LEQ036 | unspecified | |
LEQ037 | unspecified | |
LEQ038 | unspecified | |
LEQ039 | unspecified | |
LEQ040 | unspecified | |
LEQ041 | unspecified | |
LEQ136 | unspecified | |
LEQ137 | unspecified | |
LEQ142 | unspecified | |
LEQ143 | unspecified | |
LEQ144 | unspecified | |
LEQ145 | unspecified | |
LEQ146 | unspecified | |
LEQ147 | unspecified | |
LEQ148 | unspecified | |
LEQ191 | unspecified | |
LEQ192 | unspecified | |
LEQ193 | unspecified | |
LEQ194 | unspecified | |
LEQ195 | unspecified | |
LEQ196 | unspecified | |
LEQ197 | unspecified | |
LEQ198 | unspecified | |
LER861 | unspecified | |
LER862 | unspecified | |
LER981 | metamorphic | unspecified |
LFL088 | unspecified | |
LFL089 | unspecified | |
LFL090 | unspecified | |
LFL091 | unspecified | |
LFL092 | unspecified | |
LFL093 | unspecified | |
LFL094 | unspecified | |
LFQ186 | unspecified | |
LFQ187 | unspecified | |
LFQ188 | unspecified | |
LFQ189 | unspecified | |
LFQ190 | unspecified |
Site name | Development | Commodities |
---|---|---|
McKallick Chichagof Mines | Prospect | AU CU PB AG |
Chichagof District | Producer | AU AG |
Site | Status | Commodities |
---|---|---|
Hodson | Undetermined | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
LEI102 | stream/river | Sitka Gulch, 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. |