Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Petersburg C-3 | 1:63,360 Alaska quadrangle |
Petersburg | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Kuiu-Kupreanof-Mitkof-Etolin- | hydrologic unit |
190102 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
PDcf | Sedimentary | Cannery Formation and Porcupine slate of Redman and others (1985), undivided |
Trhg | Sedimentary | Hyd Group, undivided |
Trhg | Sedimentary | Hyd Group, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
Petersburg '78 | M-D | Petersburg '78 13920 line km with spacing 1.60 km over parts of AK |
Petersburg | M/R-D | Petersburg 1472 line km with spacing 9.60 km over parts of AK |
Stikine - Duncan Canal | M/EM-D | Stikine - Duncan Canal 5489 line km with spacing 0.40 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 |
---|---|---|
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
C104558 | sediment | |
CCY447 | sediment | |
CCY532 | concentrate | panned C3 fraction |
CCZ546 | rock | igneous intermediate |
CCZ547 | rock | igneous intermediate |
CCZ548 | rock | igneous felsic |
CCZ549 | rock | igneous felsic |
CDK354 | concentrate | panned C3 fraction |
CER402 | rock | metamorphic schist |
D226099 | rock | metamorphic metavolcanic |
D233635 | rock | igneous rhyodacite |
D233636 | rock | igneous rhyolite |
Sample ID | Rock type | Rock name |
---|---|---|
CCZ547 | igneous | intermediate |
CCZ548 | igneous | felsic |
CCZ549 | igneous | felsic |
CER402 | metamorphic | schist |
D233635 | igneous | rhyodacite |
D233636 | igneous | rhyolite |
Site | Status | Commodities |
---|---|---|
Unnamed (near Boulder Point) | Undetermined | Cu |
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. |