Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Mt Fairweather D-3 | 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 |
Map symbol | Lithology | Unit name |
---|---|---|
KJse | Igneous - Plutonic | Saint Elias suite of Gordey and Makepeace (2003) and similar rocks |
KJse | Igneous - Plutonic | Saint Elias suite of Gordey and Makepeace (2003) and similar rocks |
Kmig | Metamorphic | Migmatite and metaplutonic rocks |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
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 |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
LDH117 | sediment | |
LDH118 | sediment | |
LDH579 | rock | igneous granodiorite |
LDH580 | rock | igneous granodiorite |
LDH581 | rock | igneous granodiorite |
LDH582 | rock | igneous granodiorite |
LDH583 | rock | igneous granodiorite |
Sample ID | Rock type | Rock name |
---|---|---|
D124674 | unspecified | |
D124675 | unspecified | |
D124676 | unspecified | |
D124677 | unspecified | |
LDH579 | unspecified | |
LDH580 | unspecified | |
LDH581 | unspecified | |
LDH582 | unspecified | |
LDH583 | unspecified |
Site name | Development | Commodities |
---|---|---|
Leroy | Past Producer | AU CD CU PB AG ZN |
A.F. Parker | Past Producer | AU AG PB |
Site | Status | Commodities |
---|---|---|
A.F. Parker | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
LDH117 | stream/river | Ptarmigan Ck, collected by USBM;; stream |
LDH118 | stream/river | Ptarmigan Ck, collected by USBM;; 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. |