Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Mt Fairweather B-4 | 1:63,360 Alaska quadrangle |
Mt Fairweather | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Glacier Bay | hydrologic unit |
190103 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Glacier Bay Wilderness | Wilderness |
Wilderness NPS | Type of land area |
NPS | Federal land areas administered by NPS |
Glacier Bay National Park | National Park |
National Park NPS | Type of land area |
NPS | Federal land areas administered by NPS |
Map symbol | Lithology | Unit name |
---|---|---|
g | Unconsolidated | Glaciers |
Kafv | Sedimentary | Volcanic rocks of Chugach accretionary complex |
Tgbe | Igneous - Plutonic | Younger gabbro of southeast Alaska |
Tgbe | Igneous - Plutonic | Younger gabbro of southeast Alaska |
ID | Data type | Description |
---|---|---|
Gulf of Alaska | M-Dz | Gulf of Alaska 30899 line km with spacing 0.80 km over parts of AK |
Glacier Bay East | M-D | Glacier Bay East 6195 line km with spacing 1.60 km over parts of AK |
Glacier Bay West | M-D | Glacier Bay West 1963 line km with spacing 1.60 km over parts of AK |
Mt Fairweather | M/R-D | Mt Fairweather 764 line km with spacing 9.60 km over parts of AK |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
LCE821 | rock | igneous mafic |
LCE822 | rock | igneous mafic |
LCE823 | rock | metamorphic schist |
LCE824 | rock | metamorphic schist |
LCE825 | rock | metamorphic schist |
LCE826 | rock | metamorphic schist |
LCE827 | rock | metamorphic amphibolite |
LCE828 | rock | metamorphic unspecified |
LCG401 | rock | igneous ultramafic |
LCG402 | rock | igneous ultramafic |
LCG403 | rock | igneous ultramafic |
LCG404 | rock | igneous ultramafic |
LDG385 | rock | metamorphic gneiss |
LDG386 | rock | metamorphic gneiss |
LDG705 | rock | |
W193390 | rock | igneous pegmatite |
Sample ID | Rock type | Rock name |
---|---|---|
LCE821 | igneous | mafic |
LCE822 | igneous | mafic |
LCE823 | metamorphic | schist |
LCE824 | metamorphic | schist |
LCE825 | metamorphic | schist |
LCE826 | metamorphic | schist |
LCE827 | metamorphic | unspecified |
LCE828 | metamorphic | unspecified |
LCG401 | igneous | ultramafic |
LCG402 | igneous | ultramafic |
LCG403 | igneous | ultramafic |
LCG404 | igneous | ultramafic |
LDG385 | metamorphic | gneiss |
LDG386 | metamorphic | gneiss |
LDG705 | unspecified | |
W193390 | igneous | pegmatite |
Site name | Development | Commodities |
---|---|---|
Unnamed (northwest of Mt. Marchainville) | Occurrence | FE TI CU |
Unnamed (south of Finger Glacier) | Occurrence | PB TI AG CU NI TE |
West South Side of Finger Glacier | Occurrence | TI |
North Side of Unnamed Glacier | Occurrence | CU TI |
Site | Status | Commodities |
---|---|---|
Unnamed (northwest of Mt. Marcha... | Inactive | Fe;Ti |
Unnamed (south of Finger Glacier... | Inactive | Pb;Ti |
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. |