Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Mt Fairweather D-4 | 1:63,360 Alaska quadrangle |
Mt Fairweather | 1:250,000 Alaska quadrangle |
Areas administered by US Federal agencies | |
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 |
Kaf | Sedimentary | Chugach flysch |
KJse | Igneous - Plutonic | Saint Elias suite of Gordey and Makepeace (2003) and similar rocks |
KTrm | Tectonite | Kelp Bay Group, undivided |
Toegr | Igneous - Plutonic | Granitic rocks |
w | Water |
ID | Data type | Description |
---|---|---|
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 |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE20 | Porphyry Cu-Mo | |
AK-SE19 | Porphyry Cu, skarn related | |
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE07 | Porphyry Cu |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
D125664 | rock | igneous unspecified |
D125847 | rock | metamorphic hornfels |
D125848 | rock | metamorphic hornfels |
D125849 | rock | metamorphic hornfels |
D126034 | rock | |
D126035 | rock | |
LDH757 | rock | metamorphic unspecified |
LDH758 | rock | metamorphic unspecified |
LDM167 | sediment |
Sample ID | Rock type | Rock name |
---|---|---|
D125664 | igneous | unspecified |
D125847 | metamorphic | hornfels |
D125848 | metamorphic | hornfels |
D125849 | metamorphic | hornfels |
D126034 | unspecified | |
D126035 | unspecified | |
LDH757 | metamorphic | unspecified |
LDH758 | metamorphic | unspecified |
Site name | Development | Commodities |
---|---|---|
Unnamed (east of Kashoto Glacier) | Occurrence | CU AU MO |
Kashoto Glacier North | Occurrence | CU |
Kashoto Glacier West | Occurrence | CU |
Site | Status | Commodities |
---|---|---|
Unnamed (east of Kashoto Glacier... | Inactive | Cu |
Sample ID | Sample source | Sample notes |
---|---|---|
LDM167 | stream/river | G047, D125020;; 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. |