Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Sumdum C-4 | 1:63,360 Alaska quadrangle |
Sumdum | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Mainland | hydrologic unit |
190102 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Chuck River 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 |
---|---|---|
MzPzss | Metamorphic | Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b) |
MzPzss | Metamorphic | Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b) |
ID | Data type | Description |
---|---|---|
Sumdum | M/R-D | Sumdum 426 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
LBL828 | rock | |
LBP207 | rock | metamorphic schist |
LBP208 | rock | metamorphic schist |
LBP209 | rock | metamorphic schist |
LBP210 | rock | metamorphic schist |
LBP211 | rock | metamorphic schist |
LBP212 | rock | metamorphic schist |
LBP213 | rock | metamorphic schist |
LBP214 | rock | metamorphic schist |
LBP215 | rock | metamorphic schist |
LBP216 | rock | metamorphic schist |
LBP217 | rock | metamorphic schist |
LBP234 | rock | metamorphic schist |
LBP235 | rock | metamorphic schist |
LBP236 | rock | metamorphic schist |
LBP237 | rock | metamorphic schist |
LBP238 | rock | metamorphic schist |
LBP239 | rock | metamorphic schist |
LBP240 | rock | metamorphic schist |
LBP241 | rock | metamorphic schist |
LCH851 | rock | |
LCH852 | rock | metamorphic schist |
Sample ID | Rock type | Rock name |
---|---|---|
LBL828 | unspecified | |
LBP115 | metamorphic | schist |
LBP200 | metamorphic | schist |
LBP201 | metamorphic | schist |
LBP202 | metamorphic | schist |
LBP203 | metamorphic | schist |
LBP204 | metamorphic | schist |
LBP205 | metamorphic | schist |
LBP206 | metamorphic | schist |
LBP207 | metamorphic | schist |
LBP208 | metamorphic | schist |
LBP209 | metamorphic | schist |
LBP210 | metamorphic | schist |
LBP211 | metamorphic | schist |
LBP212 | metamorphic | schist |
LBP213 | metamorphic | schist |
LBP214 | metamorphic | schist |
LBP215 | metamorphic | schist |
LBP216 | metamorphic | schist |
LBP217 | metamorphic | schist |
LBP234 | metamorphic | schist |
LBP235 | metamorphic | schist |
LBP236 | metamorphic | schist |
LBP237 | metamorphic | schist |
LBP238 | metamorphic | schist |
LBP239 | metamorphic | schist |
LBP240 | metamorphic | schist |
LBP241 | metamorphic | schist |
LBQ852 | unspecified | |
LCH851 | unspecified | |
LCH852 | metamorphic | schist |
Site | Status | Commodities |
---|---|---|
Jensen; Jackston; Keith | Undetermined | Au |
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. |