Counties, states, countries, continents, or oceans | |
Juneau | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Juneau C-3 | 1:63,360 Alaska quadrangle |
Juneau | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Lynn Canal | hydrologic unit |
190103 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
Map symbol | Lithology | Unit name |
---|---|---|
g | Unconsolidated | Glaciers |
MzPzss | Metamorphic | Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b) |
MzPzss | Metamorphic | Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b) |
MzPzsv | Metamorphic | Metavolcanic rocks west of the Coast plutonic complex of Brew and Morrell (1979b) |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
TKts | Igneous - Plutonic | Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b) |
ID | Data type | Description |
---|---|---|
Juneau '82 | M-D | Juneau '82 6598 line km with spacing 1.60 km over parts of AK |
Juneau | M/R-D | Juneau 1319 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CDB240 | rock | igneous felsic |
CDB241 | rock | igneous felsic |
CDB266 | rock | igneous intermediate |
CDB267 | rock | igneous intermediate |
CDB268 | rock | igneous intermediate |
CDB269 | rock | igneous intermediate |
CDB270 | rock | igneous felsic |
CDB271 | rock | igneous felsic |
CDB272 | rock | igneous felsic |
CDB273 | rock | igneous felsic |
CDB344 | sediment | |
CDB345 | sediment | |
CFK538 | sediment | |
CFK539 | sediment | |
CGK764 | concentrate | panned C3 fraction |
CGK765 | concentrate | panned C3 fraction |
F000554 | rock | igneous unspecified |
F000555 | rock | igneous quartz monzonite |
F000556 | rock | igneous quartz monzonite |
F000557 | rock | igneous unspecified |
F000558 | rock | igneous unspecified |
F000559 | rock | igneous unspecified |
F000560 | rock | igneous unspecified |
F000561 | rock | igneous unspecified |
LCG052 | rock | igneous intermediate |
LCG053 | rock | igneous intermediate |
M193223 | rock | |
M193224 | rock | |
M193225 | rock | |
M193226 | rock | |
M193227 | rock | |
M193228 | rock | metamorphic metatonalite |
M193229 | rock | |
M193230 | rock | |
M193231 | rock | metamorphic metatonalite |
M193232 | rock | |
M193233 | rock | |
M193234 | rock | |
M193235 | rock |
Sample ID | Date collected | Sample type |
---|---|---|
7019934 | 1979-09-16 | 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 |
---|---|---|
3021554 | 1979-09-16 | 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 |
---|---|---|
CDB240 | igneous | felsic |
CDB241 | igneous | felsic |
CDB266 | igneous | intermediate |
CDB267 | igneous | intermediate |
CDB268 | igneous | intermediate |
CDB269 | igneous | intermediate |
CDB270 | igneous | felsic |
CDB271 | igneous | felsic |
CDB272 | igneous | felsic |
CDB273 | igneous | felsic |
F000554 | igneous | unspecified |
F000555 | igneous | quartz monzonite |
F000556 | igneous | quartz monzonite |
F000557 | igneous | unspecified |
F000558 | igneous | unspecified |
F000559 | igneous | unspecified |
F000560 | igneous | unspecified |
F000561 | igneous | unspecified |
M193223 | unspecified | |
M193224 | unspecified | |
M193225 | unspecified | |
M193226 | unspecified | |
M193227 | unspecified | |
M193228 | metamorphic | metatonalite |
M193229 | unspecified | |
M193230 | unspecified | |
M193231 | metamorphic | metatonalite |
M193232 | unspecified | |
M193233 | unspecified | |
M193234 | unspecified | |
M193235 | unspecified |
Site name | Development | Commodities |
---|---|---|
St. Louis Prospect | Occurrence | AU PB |
Summit/St. Louis | Prospect | AU AS |
Herbert Glacier | Prospect | AU |
Site | Status | Commodities |
---|---|---|
St. Louis; Summit | Inactive | Ag;Au |
Herbert Glacier; Herbert Gold | Active | Ag;Au;Pb;Zn |
Sample ID | Sample source | Sample notes |
---|---|---|
CDB344 | stream/river | stream |
CDB345 | stream/river | stream |
CFK538 | stream/river | stream |
CFK539 | 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. |