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 |
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) |
w | Water |
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 |
---|---|---|
LAD020 | rock | metamorphic phyllite-slate |
LAD121 | sediment | |
LAE706 | rock | metamorphic schist |
LAE707 | rock | metamorphic schist |
LAE708 | rock | metamorphic schist |
LAE709 | rock | metamorphic schist |
LAE710 | rock | metamorphic schist |
LAE711 | rock | metamorphic schist |
LAE712 | rock | metamorphic schist |
LAE713 | rock | metamorphic schist |
LAE714 | rock | metamorphic schist |
LAE715 | rock | metamorphic schist |
LAE716 | rock | metamorphic schist |
LAE717 | rock | metamorphic schist |
LAE718 | rock | metamorphic schist |
LAE719 | rock | metamorphic schist |
LAE720 | rock | metamorphic schist |
LAE721 | rock | metamorphic schist |
LAE722 | rock | metamorphic schist |
LCB533 | rock | metamorphic quartzite |
LCB534 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
LAD020 | metamorphic | phyllite-slate |
LAE706 | metamorphic | schist |
LAE707 | metamorphic | schist |
LAE708 | metamorphic | schist |
LAE709 | metamorphic | schist |
LAE710 | metamorphic | schist |
LAE711 | metamorphic | schist |
LAE712 | metamorphic | schist |
LAE713 | metamorphic | schist |
LAE714 | metamorphic | schist |
LAE715 | metamorphic | schist |
LAE716 | metamorphic | schist |
LAE717 | metamorphic | schist |
LAE718 | metamorphic | schist |
LAE719 | metamorphic | schist |
LAE720 | metamorphic | schist |
LAE721 | metamorphic | schist |
LAE722 | metamorphic | schist |
LCB533 | metamorphic | quartzite |
LCB534 | unspecified |
Site name | Development | Commodities |
---|---|---|
Sulphide Zinc-Lead-Silver Prospect | Prospect | ZN PB AG CU AU |
Site | Status | Commodities |
---|---|---|
Sulphide | Probably inactive | Ag;Au;Cu;Pb;Zn |
Sample ID | Sample source | Sample notes |
---|---|---|
LAD121 | stream/river | 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. |