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 West | M-D | Glacier Bay West 1963 line km with spacing 1.60 km over parts of AK |
Glacier Bay West Coast | M-D | Glacier Bay West Coast 603 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 |
---|---|---|
LCG172 | rock | |
LCG201 | rock | metamorphic unspecified |
LDF743 | rock | igneous felsic |
LDF744 | rock | igneous felsic |
LDG177 | rock | igneous granodiorite |
LDG178 | rock | igneous felsic |
LDG179 | rock | igneous intermediate |
LDG180 | rock | igneous intermediate |
LDG181 | rock | |
LDG182 | rock | |
W195652 | rock | igneous granodiorite |
Sample ID | Rock type | Rock name |
---|---|---|
LCG172 | unspecified | |
LCG201 | metamorphic | unspecified |
LDF743 | igneous | felsic |
LDF744 | igneous | felsic |
LDG177 | igneous | felsic |
LDG178 | igneous | felsic |
LDG179 | igneous | intermediate |
LDG180 | igneous | intermediate |
LDG181 | unspecified | |
LDG182 | unspecified | |
W195652 | igneous | granodiorite |
Site name | Development | Commodities |
---|---|---|
West Side of Crillon Inlet | Occurrence | CU NI |
Unnamed (near the mouth of Crillon Inlet to Lituya Bay) | Occurrence | CU NI AG AU CO |
Site | Status | Commodities |
---|---|---|
Unnamed (near the mouth of Crill... | Inactive | Cu;Ni |
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. |