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-5 | 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 |
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 |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE13 | Polymetallic vein | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BFE226 | concentrate | panned C1 fraction |
BFE231 | concentrate | panned C1 fraction |
BFE768 | concentrate | panned C1 fraction |
BFE773 | concentrate | panned C1 fraction |
BFN969 | concentrate | panned C3 fraction |
BFO007 | concentrate | panned C3 fraction |
BFO011 | concentrate | panned C3 fraction |
CCI115 | sediment | |
CCM325 | rock | metamorphic gneiss |
CCM326 | rock | metamorphic gneiss |
D153959 | concentrate | panned C3 fraction |
D154012 | concentrate | panned C3 fraction |
D154020 | concentrate | panned C3 fraction |
D284249 | rock | metamorphic greenschist |
Sample ID | Date collected | Sample type |
---|---|---|
7022279 | 1979-09-27 | Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves. |
Sample ID | Date collected | Sample type |
---|---|---|
3023911 | 1979-09-27 | Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
Sample ID | Rock type | Rock name |
---|---|---|
CCM325 | metamorphic | unspecified |
CCM326 | metamorphic | unspecified |
Site name | Development | Commodities |
---|---|---|
Laskawonda | Prospect | AG AU CU |
L'Heureux Pit | Past Producer | STN |
Bear Mountain | Prospect | AU CU |
Black Swan | Prospect | AU |
Alaskawonda | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Shoenbar; Laskawanda; Schoenbar; | Inactive | Ag;Au |
Bear Mountain; Malaspina | Undetermined | Au;Cu |
Sample ID | Sample source | Sample notes |
---|---|---|
CCI115 | stream/river | stream |
Sample ID | Sample source | Sample notes |
---|---|---|
BFE226 | stream/river | stream |
BFE231 | stream/river | stream |
BFE768 | stream/river | stream |
BFE773 | stream/river | stream |
BFN969 | stream/river | stream |
BFO007 | stream/river | stream |
BFO011 | stream/river | stream |
D153959 | stream/river | stream |
D154012 | stream/river | stream |
D154020 | 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. |
Feature ID | Feature type | Feature name |
---|---|---|
Quarry | point |