Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Petersburg B-1 | 1:63,360 Alaska quadrangle |
Petersburg | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Southeast Mainland | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
Map symbol | Lithology | Unit name |
---|---|---|
g | Unconsolidated | Glaciers |
g | Unconsolidated | Glaciers |
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) |
Pzgn | Metamorphic | Roof pendants of the Coast plutonic complex of Brew and Morrell (1979b) |
Pzgn | Metamorphic | Roof pendants of the Coast plutonic complex of Brew and Morrell (1979b) |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Tca | Igneous - Volcanic | Admiralty Island and Cenotaph Volcanics |
TKts | Igneous - Plutonic | Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b) |
TKts | Igneous - Plutonic | Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b) |
ID | Data type | Description |
---|---|---|
Petersburg '78 | M-D | Petersburg '78 13920 line km with spacing 1.60 km over parts of AK |
Bradfield Canal | M/R-D | Bradfield Canal 716 line km with spacing 9.60 km over parts of AK |
Petersburg | M/R-D | Petersburg 1472 line km with spacing 9.60 km over parts of AK |
Stikine - Groundhog Basin | M/EM-D | Stikine - Groundhog Basin 423 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE13 | Polymetallic vein | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCY954 | rock | metamorphic schist |
CCY955 | rock | metamorphic schist |
CCY956 | rock | metamorphic gneiss |
CCY957 | rock | metamorphic gneiss |
CCY958 | rock | metamorphic gneiss |
CCY959 | rock | metamorphic gneiss |
CDF041 | rock | metamorphic gneiss |
CDF042 | rock | metamorphic gneiss |
CDF043 | rock | metamorphic gneiss |
CDF044 | rock | metamorphic gneiss |
CDF045 | rock | igneous intermediate |
CDF046 | rock | igneous intermediate |
CEP542 | rock | igneous rhyolite |
CEP543 | rock | metamorphic breccia |
CEP544 | rock | igneous rhyolite |
CEP545 | rock | igneous rhyolite |
CFJ595 | rock | igneous tonalite |
D222259 | sediment | |
D222261 | sediment | |
D226388 | rock | igneous granite |
F000444 | rock | metamorphic skarn |
M141385 | rock | igneous rhyolite |
M141386 | rock | igneous rhyolite |
M141387 | rock | igneous rhyolite |
M141388 | rock | igneous rhyolite |
M141389 | rock | metamorphic gneiss |
M141390 | rock | igneous rhyolite |
M154178 | rock | igneous tonalite |
M193388 | rock | metamorphic schist |
M193398 | rock | metamorphic schist |
M193399 | rock | |
M193400 | rock |
Sample ID | Rock type | Rock name |
---|---|---|
CCY954 | metamorphic | schist |
CCY955 | metamorphic | schist |
CCY956 | metamorphic | gneiss |
CCY957 | metamorphic | gneiss |
CCY958 | metamorphic | gneiss |
CCY959 | metamorphic | gneiss |
CDF041 | metamorphic | gneiss |
CDF042 | metamorphic | gneiss |
CDF043 | metamorphic | gneiss |
CDF044 | metamorphic | gneiss |
CDF045 | igneous | intermediate |
CDF046 | igneous | intermediate |
CEP542 | igneous | rhyolite |
CEP543 | igneous | breccia |
CEP544 | igneous | rhyolite |
CEP545 | igneous | rhyolite |
CFJ595 | igneous | intermediate |
D226388 | igneous | granite |
F000444 | metamorphic | skarn |
M141385 | igneous | rhyolite |
M141386 | igneous | rhyolite |
M141387 | igneous | rhyolite |
M141388 | igneous | rhyolite |
M141389 | metamorphic | gneiss |
M141390 | igneous | rhyolite |
M154178 | igneous | tonalite |
M193399 | unspecified | |
M193400 | unspecified |
Site name | Development | Commodities |
---|---|---|
Glacier Basin | Prospect | CU BE F AU FE PB AG SN ZN |
Site | Status | Commodities |
---|---|---|
Unnamed (west of the terminus of... | Probably inactive | Ag;As;Cu;Pb;Zn |
Unnamed (in Glacier Basin) | Probably inactive | Ag;Au;Be;Pb;Zn |
East Marsha Peak | Probably inactive | Ag;Pb;Zn |
Unnamed (on Nelson Glacier) | Probably inactive | Ag;Cu;Pb;Sn;Zn |
Sample ID | Sample source | Sample notes |
---|---|---|
D222259 | stream/river | gravel; sandy; silty;; stream |
D222261 | stream/river | gravel; sandy; silty;; 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. |