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 |
Map symbol | Lithology | Unit name |
---|---|---|
Kgb | Igneous - Plutonic | Gabbro and diorite of southeast Alaska |
KJgn | Sedimentary | Gravina-Nuzotin unit |
KJgn | Sedimentary | Gravina-Nuzotin unit |
KJgv | Sedimentary | Volcanic rocks of the Gravina-Nutzotin belt |
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 |
w | Water |
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 |
Alexander | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
C179437 | sediment | |
CBR174 | rock | metamorphic phyllite-slate |
CBR175 | rock | sedimentary sandstone |
CBR176 | rock | metamorphic phyllite-slate |
CBR177 | rock | igneous mafic |
CBR178 | rock | sedimentary sandstone |
CBR179 | rock | metamorphic phyllite-slate |
CBR180 | rock | igneous diorite |
CBR181 | rock | igneous intermediate |
CBR182 | rock | metamorphic phyllite-slate |
CBR183 | rock | sedimentary sandstone |
CBR184 | rock | metamorphic phyllite-slate |
CBR185 | rock | igneous intermediate |
CBR186 | rock | |
CBR187 | rock | metamorphic phyllite-slate |
CBR188 | rock | igneous intermediate |
CBR189 | rock | igneous intermediate |
CFK431 | sediment | |
CGK520 | concentrate | panned C3 fraction |
EQC525 | sediment | |
EQC651 | concentrate | panned C3 fraction |
LCG033 | rock | metamorphic unspecified |
LCG034 | rock | metamorphic unspecified |
LCG035 | rock | metamorphic unspecified |
LCG036 | rock | metamorphic unspecified |
LCG041 | rock | metamorphic metatuff |
LCG058 | rock | metamorphic unspecified |
LCG059 | rock | metamorphic unspecified |
LCG074 | rock | igneous intermediate |
LCG075 | rock | igneous intermediate |
LCG079 | sediment | |
LCG080 | sediment | |
M126764 | rock | metamorphic greenstone |
M131750 | rock | igneous diorite |
M132747 | rock | metamorphic metatuff |
Sample ID | Material | Source |
---|---|---|
C-179437 | Sediment | Stream, Wet |
Sample ID | Date collected | Sample type |
---|---|---|
7019939 | 1979-09-16 | Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves. |
7019940 | 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 |
---|---|---|
3021559 | 1979-09-16 | Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid. |
3021560 | 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 |
---|---|---|
CBR174 | metamorphic | phyllite-slate |
CBR175 | sedimentary | sandstone |
CBR176 | metamorphic | phyllite-slate |
CBR177 | igneous | mafic |
CBR178 | sedimentary | sandstone |
CBR179 | metamorphic | phyllite-slate |
CBR180 | igneous | intermediate |
CBR181 | igneous | intermediate |
CBR182 | metamorphic | phyllite-slate |
CBR183 | sedimentary | sandstone |
CBR184 | metamorphic | phyllite-slate |
CBR185 | igneous | intermediate |
CBR186 | unspecified | |
CBR187 | metamorphic | phyllite-slate |
CBR188 | igneous | intermediate |
CBR189 | igneous | intermediate |
LCG033 | metamorphic | unspecified |
LCG034 | metamorphic | unspecified |
LCG035 | metamorphic | unspecified |
LCG036 | metamorphic | unspecified |
LCG041 | metamorphic | unspecified |
LCG058 | metamorphic | unspecified |
LCG059 | metamorphic | unspecified |
LCG074 | igneous | intermediate |
LCG075 | igneous | intermediate |
M126764 | metamorphic | greenstone |
M131750 | igneous | diorite |
M132747 | metamorphic | metatuff |
Site name | Development | Commodities |
---|---|---|
Oleson Prospect | Occurrence | AU |
Oleson | Prospect | AU |
Kodzoff Pit | Past Producer | SDG |
Site | Status | Commodities |
---|---|---|
Oleson | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
C179437 | surface | |
CFK431 | stream/river | stream |
EQC525 | stream/river | stream |
LCG079 | stream/river | stream |
LCG080 | 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 |
---|---|---|
Bentonite Pit | point | |
Prospect Pit | point | |
Gravel/Borrow Pit - Undifferentiated | point | |
Gravel/Borrow Pit - Undifferentiated | point | |
Adit | point | |
Adit | point | |
Adit | point | |
Adit | point | |
Adit | point | |
Adit | point | |
Adit | point | Eagle River Mine |
Adit | point | |
Adit | point | |
Adit | point |