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) |
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 |
---|---|---|
LAD723 | rock | metamorphic phyllite-slate |
LAD724 | rock | |
LAD725 | rock | |
LAD726 | rock | metamorphic schist |
LAD750 | rock | metamorphic schist |
LBP131 | rock | metamorphic schist |
LBP175 | rock | metamorphic schist |
LBP176 | rock | metamorphic schist |
LBP177 | rock | igneous felsic |
LBP186 | rock | metamorphic schist |
LBP187 | rock | metamorphic schist |
LBP188 | rock | metamorphic schist |
LBP189 | rock | metamorphic schist |
LBP190 | rock | metamorphic schist |
LBP218 | rock | metamorphic schist |
LBP219 | rock | metamorphic schist |
LBP220 | rock | metamorphic schist |
LBP221 | rock | metamorphic schist |
LBP222 | rock | metamorphic schist |
LBP223 | rock | metamorphic schist |
LBP224 | rock | metamorphic schist |
LBP225 | rock | metamorphic schist |
LBQ546 | rock | |
LBQ547 | rock | |
LBQ548 | rock | |
LBQ549 | rock | |
LBQ550 | rock | |
LBQ551 | rock | |
LBQ552 | rock | |
LBQ853 | rock | |
LBQ860 | rock | |
LBQ861 | rock | |
LBQ862 | rock | |
LBQ863 | rock | |
LBQ864 | rock | |
LBQ865 | rock | |
LBQ866 | rock | |
LBQ868 | rock | |
LBQ869 | rock | |
LBQ870 | rock | |
LBQ871 | rock | |
LBQ872 | rock | |
LBQ873 | rock | |
LBQ874 | rock | |
LBQ875 | rock | |
LBQ876 | rock | |
LBQ877 | rock | |
LBQ878 | rock | |
LBQ879 | rock | |
LBQ880 | rock | |
LBQ881 | rock | |
LBQ882 | rock | |
LBQ883 | rock | |
LBQ884 | rock | |
LBQ885 | rock | |
M193405 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
LAD723 | metamorphic | phyllite-slate |
LAD724 | unspecified | |
LAD725 | unspecified | |
LAD726 | metamorphic | schist |
LAD750 | metamorphic | schist |
LBP131 | metamorphic | schist |
LBP175 | metamorphic | schist |
LBP186 | metamorphic | schist |
LBP187 | metamorphic | schist |
LBP188 | metamorphic | schist |
LBP189 | metamorphic | schist |
LBP190 | metamorphic | schist |
LBP218 | metamorphic | schist |
LBP219 | metamorphic | schist |
LBP220 | metamorphic | schist |
LBP221 | metamorphic | schist |
LBP222 | metamorphic | schist |
LBP223 | metamorphic | schist |
LBP224 | metamorphic | schist |
LBP225 | metamorphic | schist |
LBQ546 | unspecified | |
LBQ547 | unspecified | |
LBQ548 | unspecified | |
LBQ549 | unspecified | |
LBQ550 | unspecified | |
LBQ551 | unspecified | |
LBQ552 | unspecified | |
LBQ853 | unspecified | |
LBQ860 | unspecified | |
LBQ861 | unspecified | |
LBQ862 | unspecified | |
LBQ863 | unspecified | |
LBQ864 | unspecified | |
LBQ865 | unspecified | |
LBQ866 | unspecified | |
LBQ868 | unspecified | |
LBQ869 | unspecified | |
LBQ870 | unspecified | |
LBQ871 | unspecified | |
LBQ872 | unspecified | |
LBQ873 | unspecified | |
LBQ874 | unspecified | |
LBQ875 | unspecified | |
LBQ876 | unspecified | |
LBQ877 | unspecified | |
LBQ878 | unspecified | |
LBQ879 | unspecified | |
LBQ880 | unspecified | |
LBQ881 | unspecified | |
LBQ882 | unspecified | |
LBQ883 | unspecified | |
LBQ884 | unspecified | |
LBQ885 | unspecified | |
M193405 | unspecified |
Site name | Development | Commodities |
---|---|---|
South of Spruce Mtn. Altered Zone Gold-Silver Occurrence | Occurrence | AU AG PB ZN CU |
Gold Shaft Gold Prospect | Occurrence | AU AG PB |
Apache-Navajo | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Unnamed (southwest of 'Spruce Mo... | Inactive | Ag;Au;Cu;Pb;Zn |
Gold | Probably inactive | Ag;Au;Pb |
Unnamed (near 'Spruce Mountain') | Probably inactive | Ag;Au;Cu;Pb;Zn |
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. |