Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Craig (alaska) C-4 | 1:63,360 Alaska quadrangle |
Craig | 1:250,000 Alaska quadrangle |
ID | Data type | Description |
---|---|---|
Craig 1982 | M-D | Craig 1982 9221 line km with spacing 0.80 km over parts of AK |
Craig AK | M/R-D | Craig AK 1496 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE07 | Porphyry Cu | |
AK-SE19 | Porphyry Cu, skarn related | |
AK-SE20 | Porphyry Cu-Mo | |
AK-SE04 | Kuroko massive sulfide |
Domain | Crust type | Region |
---|---|---|
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
D382823 | sediment | |
D382824 | sediment | |
D382825 | sediment | |
D382875 | concentrate | panned concentrate |
D382876 | concentrate | panned concentrate |
D382877 | concentrate | panned concentrate |
D526770 | rock | igneous syenite |
M190719 | rock | igneous syenite |
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. |