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 B-6 | 1:63,360 Alaska quadrangle |
Ketchikan | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Ketchikan | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
KJgn | Sedimentary | Gravina-Nuzotin unit |
KJgv | Sedimentary | Volcanic rocks of the Gravina-Nutzotin belt |
KJgv | Sedimentary | Volcanic rocks of the Gravina-Nutzotin belt |
Tgbe | Igneous - Plutonic | Younger gabbro of southeast Alaska |
w | Water |
ID | Data type | Description |
---|---|---|
Ketchikan '76 | M-Dz | Ketchikan '76 8529 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 |
Ketchikan 1999 | M/EM-D | Ketchikan 1999 4751 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE13 | Polymetallic vein | |
AK-SE03 | Low-sulfide Au-quartz veins | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCA438 | rock | igneous quartz monzonite |
CCA458 | rock | igneous diorite |
M197251 | rock | igneous quartz monzonite |
M202467 | rock | igneous gabbro |
M202468 | rock | igneous hornblende gabbro |
W195817 | rock | igneous quartz monzonite |
Sample ID | Rock type | Rock name |
---|---|---|
CCA438 | igneous | unspecified |
CCA458 | igneous | unspecified |
M197251 | igneous | gabbro |
M202467 | igneous | gabbro |
M202468 | igneous | gabbro |
W195817 | igneous | hornblende gabbro |
Site name | Development | Commodities |
---|---|---|
Wildcat | Past Producer | AU CU BI SB |
Hoadley | Prospect | AU BI |
Ready Mix | Prospect | AU CU MO |
White Cliff | Prospect | AU |
Ketchikan Quarry Drill Site | Past Producer | STN_C |
Hoadley | Prospect | AU BI |
Ketchikan Quarry | Producer | STN |
Wildcat | Prospect | SB BI CU AU |
White Cliff | Prospect | AU |
Little Sue No. 2 | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Ready Mix; Carlanna Creek; Hoadl... | Undetermined | Au;Cu;Mo |
White Cliff | Undetermined | Au |
Hoadley; Hoadley Brothers | Undetermined | Au |
Wildcat | Undetermined | Au |
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. |