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 |
LAD755 | rock | metamorphic phyllite-slate |
LAD756 | rock | igneous unspecified |
LAE174 | rock | metamorphic unspecified |
LAE175 | rock | igneous unspecified |
LBP112 | rock | metamorphic schist |
LBP113 | rock | metamorphic schist |
LBP114 | rock | metamorphic schist |
LBP131 | 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 |
LBP191 | rock | metamorphic schist |
LBP192 | rock | metamorphic schist |
LBP193 | rock | metamorphic schist |
LBP194 | rock | metamorphic schist |
LBP195 | rock | metamorphic schist |
LBP196 | rock | metamorphic schist |
LBP197 | rock | metamorphic schist |
LBP198 | rock | metamorphic schist |
LBP199 | 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 |
LBP226 | rock | metamorphic schist |
LBP227 | rock | metamorphic schist |
LBP228 | rock | metamorphic schist |
LBP229 | rock | metamorphic schist |
M193405 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
LAD723 | metamorphic | phyllite-slate |
LAD724 | unspecified | |
LAD725 | unspecified | |
LAD726 | metamorphic | schist |
LAD755 | metamorphic | phyllite-slate |
LAD756 | unspecified | |
LAE174 | metamorphic | unspecified |
LAE175 | igneous | unspecified |
LBP112 | metamorphic | schist |
LBP113 | metamorphic | schist |
LBP114 | metamorphic | schist |
LBP131 | metamorphic | schist |
LBP176 | metamorphic | schist |
LBP177 | igneous | felsic |
LBP186 | metamorphic | schist |
LBP187 | metamorphic | schist |
LBP188 | metamorphic | schist |
LBP189 | metamorphic | schist |
LBP190 | metamorphic | schist |
LBP191 | metamorphic | schist |
LBP192 | metamorphic | schist |
LBP193 | metamorphic | schist |
LBP194 | metamorphic | schist |
LBP195 | metamorphic | schist |
LBP196 | metamorphic | schist |
LBP197 | metamorphic | schist |
LBP198 | metamorphic | schist |
LBP199 | 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 |
LBP226 | metamorphic | schist |
LBP227 | metamorphic | schist |
LBP228 | metamorphic | schist |
LBP229 | metamorphic | schist |
M193405 | unspecified |
Site name | Development | Commodities |
---|---|---|
Gold Shaft Gold Prospect | Occurrence | AU AG PB |
Apache-Navajo Gold-Silver Prospect | Occurrence | AG AU |
Apache-Navajo | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Apache; Navajo | Probably inactive | Ag;Au |
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. |