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 B-2 | 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 |
Map symbol | Lithology | Unit name |
---|---|---|
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) |
MzPzsv | Metamorphic | Metavolcanic rocks west 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) |
TKts | Igneous - Plutonic | Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b) |
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 |
---|---|---|
AGB289 | sediment | |
AGB290 | sediment | |
AGB291 | sediment | |
AGB299 | sediment | |
CFL847 | rock | metamorphic phyllite |
CFL848 | rock | sedimentary carbonate |
CFL849 | rock | metamorphic unspecified |
CFL850 | rock | metamorphic phyllite |
CFL851 | rock | |
CFL852 | rock | metamorphic unspecified |
CFT237 | rock | metamorphic schist |
CFT238 | rock | igneous intermediate |
CFT239 | rock | metamorphic phyllite-slate |
CFT251 | sediment | |
CGC150 | rock | igneous mafic |
CGC151 | rock | metamorphic phyllite-slate |
CGC152 | rock | metamorphic phyllite-slate |
CGC153 | rock | sedimentary chert |
CGC154 | rock | sedimentary chert |
CGJ236 | mineral | |
CGJ237 | mineral | |
CGJ238 | mineral | |
CHX928 | rock | metamorphic schist |
D356976 | rock | metamorphic slate |
D356977 | rock | metamorphic slate |
D356983 | rock | metamorphic metagabbro |
D356986 | rock | metamorphic metagabbro |
D356987 | rock | metamorphic slate |
M126729 | rock | metamorphic gneiss |
M126730 | rock | metamorphic gneiss |
M126731 | rock | metamorphic gneiss |
M126732 | rock | metamorphic gneiss |
M126733 | rock | metamorphic gneiss |
M126734 | rock | metamorphic gneiss |
M126739 | rock | metamorphic gneiss |
M172417 | rock | metamorphic phyllite |
M172418 | rock | metamorphic phyllite |
M172419 | rock | metamorphic phyllite |
M172420 | rock | metamorphic unspecified |
M172891 | rock | metamorphic metamafite |
M172957 | rock | metamorphic slate |
M172958 | rock | metamorphic slate |
M172959 | rock | metamorphic metamafite |
M172960 | rock | metamorphic phyllite |
M193272 | rock | igneous basalt |
Sample ID | Rock type | Rock name |
---|---|---|
CFL847 | metamorphic | phyllite-slate |
CFL848 | sedimentary | carbonate |
CFL849 | metamorphic | unspecified |
CFL850 | metamorphic | phyllite-slate |
CFL851 | unspecified | |
CFL852 | metamorphic | unspecified |
CFT237 | metamorphic | schist |
CFT238 | igneous | intermediate |
CFT239 | metamorphic | phyllite-slate |
CGC150 | igneous | mafic |
CGC151 | metamorphic | phyllite-slate |
CGC152 | metamorphic | phyllite-slate |
CGC153 | unspecified | chert-jasperoid |
CGC154 | unspecified | chert-jasperoid |
CHX928 | metamorphic | schist |
D356976 | metamorphic | slate |
D356977 | metamorphic | slate |
D356983 | metamorphic | metagabbro |
D356986 | metamorphic | metagabbro |
D356987 | metamorphic | slate |
M126731 | metamorphic | gneiss |
M126732 | metamorphic | gneiss |
M126733 | metamorphic | gneiss |
M126734 | metamorphic | gneiss |
M172417 | metamorphic | phyllite |
M172418 | metamorphic | phyllite |
M172419 | metamorphic | phyllite |
M172420 | unspecified | |
M172891 | metamorphic | metamafite |
M172957 | metamorphic | phyllite |
M172958 | metamorphic | phyllite |
M172959 | metamorphic | metamafite |
M172960 | metamorphic | phyllite |
M193272 | igneous | basalt |
Site name | Development | Commodities |
---|---|---|
Silver Bow Basin Placer | Past Producer | AU |
Gold Creek Placers | Producer | AU |
Gold Creek Area | Past Producer | AU |
Little Basin | Past Producer | AU |
Reilly | Prospect | AU |
Republican | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Middle Basin; Middle Flat | Inactive | Au |
Reilly | Inactive | Au |
Little Basin | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
AGB289 | stream/river | stream |
AGB290 | stream/river | stream |
AGB291 | stream/river | stream |
AGB292 | stream/river | stream |
AGB299 | stream/river | stream |
CFT251 | 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. |