Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Sitka D-4 | 1:63,360 Alaska quadrangle |
Sitka | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Baranof-Chicagof Islands | hydrologic unit |
190102 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies |
Map symbol | Lithology | Unit name |
---|---|---|
Jise | Igneous - Plutonic | Granitic rocks of southeast Alaska |
KJdg | Igneous - Plutonic | Diorite and gabbro of southeast Alaska |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
St | Sedimentary | Turbidite deposits of southeast Alaska |
ID | Data type | Description |
---|---|---|
Sitka | M/R-D | Sitka 579 line km with spacing 9.60 km over parts of AK |
Domain | Crust type | Region |
---|---|---|
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
D526019 | rock | igneous diorite |
D565005 | rock | igneous alaskite |
D565006 | rock | igneous diorite |
D568522 | rock | igneous diorite |
D568584 | rock | metamorphic migmatite |
D568586 | rock | igneous diorite |
D568587 | rock | metamorphic hornfels |
D568588 | rock | metamorphic hornfels |
D575822 | rock | igneous alaskite |
D575823 | rock | igneous diorite |
M202530 | rock | igneous diorite |
Sample ID | Rock type | Rock name |
---|---|---|
D526019 | igneous | unspecified |
D565005 | igneous | alaskite |
D565006 | igneous | tonalite |
D568522 | igneous | diorite |
D568586 | igneous | diorite |
D568587 | metamorphic | hornfels |
D568588 | metamorphic | hornfels |
D568599 | metamorphic | hornfels |
D575822 | igneous | alaskite |
D575823 | igneous | diorite |
M202530 | igneous | diorite |
Site name | Development | Commodities |
---|---|---|
Kennel Creek | Prospect | STN |
Site | Status | Commodities |
---|---|---|
Unnamed (upper Kennel Creek) | Undetermined | Cu;Mo |
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. |