Map symbol | Lithology | Unit name |
---|---|---|
Dgb | Metamorphic | Gambier Bay Formation, undivided |
KPzum | Igneous - Plutonic | Dunite and serpentinite, undivided |
KPzum | Igneous - Plutonic | Dunite and serpentinite, undivided |
Trhgs | Sedimentary | Hyd Group sedimentary rocks, undivided |
ID | Data type | Description |
---|---|---|
Juneau '82 | M-D | Juneau '82 6598 line km with spacing 1.60 km over parts of AK |
Juneau | M/R-D | Juneau 1319 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE13 | Polymetallic vein | |
AK-SE17 | Synorogenic-synvolcanic Ni-Cu |
Domain | Crust type | Region |
---|---|---|
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
C126225 | rock | metamorphic greenstone |
CFL873 | rock | igneous clinopyroxenite |
CGC402 | rock | sedimentary chert |
CGC403 | rock | metamorphic unspecified |
CGC404 | rock | metamorphic phyllite-slate |
CGC405 | rock | metamorphic phyllite-slate |
CGC406 | rock | metamorphic phyllite-slate |
CGC407 | rock | metamorphic phyllite-slate |
D564982 | rock | metamorphic unspecified |
D564983 | rock | metamorphic serpentinite |
M172436 | rock | igneous clinopyroxenite |
M184564 | rock | metamorphic metagabbro |
M184565 | rock | metamorphic metagabbro |
Sample ID | Rock type | Rock name |
---|---|---|
CFL873 | igneous | ultramafic |
CGC401 | metamorphic | marble |
CGC402 | unspecified | chert-jasperoid |
CGC403 | metamorphic | unspecified |
CGC404 | metamorphic | phyllite-slate |
CGC405 | metamorphic | phyllite-slate |
CGC406 | metamorphic | phyllite-slate |
CGC407 | metamorphic | phyllite-slate |
CHX950 | igneous | clinopyroxenite |
CHX951 | igneous | clinopyroxenite |
D564982 | metamorphic | unspecified |
D564983 | metamorphic | serpentinite |
M172436 | igneous | clinopyroxenite |
M178985 | igneous | pyroxenite |
M178986 | metamorphic | serpentinite |
M178987 | metamorphic | schist |
M178991 | igneous | clinopyroxenite |
M178992 | metamorphic | schist |
M178993 | metamorphic | schist |
M184564 | metamorphic | metagabbro |
M184565 | metamorphic | metagabbro |
Site name | Development | Commodities |
---|---|---|
Mammoth Group | Prospect | ZN AU PB AG |
Mariposa Ridge Occurrence | Occurrence | PB ZN AG BA AU |
Site | Status | Commodities |
---|---|---|
Unnamed (east of mouth of Hawk I... | Active | As;Cd;Sb;Zn |
Tom | Inactive | Ag;Pb;Zn |
Unnamed (west end of 'Mariposite... | Active | Ag;Au;Pb;Zn |
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. |