Counties, states, countries, continents, or oceans | |
Ketchikan Gateway | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Ketchikan D-3 | 1:63,360 Alaska quadrangle |
Ketchikan | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Southeast Mainland | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Misty Fjords National Monument | National Monument |
National Monument FS | Type of land area |
FS | Federal land areas administered by FS |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
Map symbol | Lithology | Unit name |
---|---|---|
Pzgn | Metamorphic | Roof pendants of the Coast plutonic complex of Brew and Morrell (1979b) |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Tcpp | Igneous - Plutonic | Porphyritic granodiorite phase of Coast plutonic complex of Brew and Morrell (1979b) |
TKts | Igneous - Plutonic | Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b) |
w | Water |
ID | Data type | Description |
---|---|---|
SE Alaska (Granite Fiords) | M-Dz | SE Alaska (Granite Fiords) 2735 line km with spacing 1.60 km over parts of AK |
Ketchikan | M/R-D | Ketchikan 1609 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE09 | Cu Skarn | |
AK-SE13 | Polymetallic vein | |
AK-SE14 | Zn-Pb skarn |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BDT136 | sediment | |
BGA200 | sediment | |
BGA201 | sediment | |
BGA202 | sediment | |
BGA209 | sediment | |
BGA210 | sediment | |
BGA211 | sediment | |
BGA218 | sediment | |
BGA219 | sediment | |
BGA220 | sediment | |
BGA293 | sediment | |
BGA294 | sediment | |
BGA295 | sediment | |
BGA296 | sediment | |
BGA297 | sediment | |
BGA298 | sediment | |
BGA387 | sediment | |
BGA388 | sediment | |
BGA389 | sediment | |
BGA390 | sediment | |
BGA391 | sediment | |
BGA392 | sediment | |
BGA481 | sediment | |
BGA482 | sediment | |
BGA483 | sediment | |
BGA484 | sediment | |
BGA485 | sediment | |
BGA486 | sediment | |
LAG199 | rock | metamorphic gneiss |
LAG200 | rock | metamorphic gneiss |
LAG201 | rock | metamorphic gneiss |
LAG202 | rock | metamorphic gneiss |
LAG203 | rock | metamorphic marble |
Sample ID | Rock type | Rock name |
---|---|---|
LAG199 | metamorphic | gneiss |
LAG200 | metamorphic | gneiss |
LAG201 | metamorphic | gneiss |
LAG202 | metamorphic | gneiss |
LAG203 | metamorphic | marble |
Site name | Development | Commodities |
---|---|---|
Unnamed (near mouth of creek draining Leduc Lake) | Occurrence | CU AG MO PB ZN |
Site | Status | Commodities |
---|---|---|
Unnamed (near mouth of creek dra... | Undetermined | Cu |
Sample ID | Sample source | Sample notes |
---|---|---|
BDT136 | stream/river | stream |
BGA195 | stream/river | stream |
BGA196 | stream/river | stream |
BGA200 | stream/river | stream |
BGA201 | stream/river | stream |
BGA202 | stream/river | stream |
BGA203 | stream/river | stream |
BGA204 | stream/river | stream |
BGA205 | stream/river | stream |
BGA209 | stream/river | stream |
BGA210 | stream/river | stream |
BGA211 | stream/river | stream |
BGA212 | stream/river | stream |
BGA213 | stream/river | stream |
BGA214 | stream/river | stream |
BGA218 | stream/river | stream |
BGA219 | stream/river | stream |
BGA220 | stream/river | stream |
BGA296 | stream/river | stream |
BGA297 | stream/river | stream |
BGA298 | stream/river | stream |
BGA390 | stream/river | stream |
BGA391 | stream/river | stream |
BGA392 | stream/river | stream |
BGA484 | stream/river | stream |
BGA485 | stream/river | stream |
BGA486 | stream/river | 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. |