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Duncan Mine, South Pass City, South Pass-Atlantic City Mining District, Fremont Co., Wyoming, USAi
Regional Level Types
Duncan MineMine
South Pass CityCity
South Pass-Atlantic City Mining DistrictMining District
Fremont Co.County
WyomingState
USACountry

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Key
Latitude & Longitude (WGS84):
42° 29' 13'' North , 108° 45' 19'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Lander7,686 (2017)38.5km
Boulder Flats408 (2011)47.4km
Hudson456 (2017)48.6km


A gold mine started in 1868.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Hausel, W., & Love, J. D. (1991). Field Guide to the Geology and Mineralization of the South Pass Region, Wind River Range, Wyoming. In Mineral Resources of Wyoming: Wyoming Geological Association Forty-Second Field Conference Guidebook, Laramie, Wyo., Sept. 14-18, 1991 (Vol. 42, p. 181). Wyoming Geological Association.
Gold
Formula: Au
Reference: Rocks & Min.:11:219.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Hausel, W., & Love, J. D. (1991). Field Guide to the Geology and Mineralization of the South Pass Region, Wind River Range, Wyoming. In Mineral Resources of Wyoming: Wyoming Geological Association Forty-Second Field Conference Guidebook, Laramie, Wyo., Sept. 14-18, 1991 (Vol. 42, p. 181). Wyoming Geological Association.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Hausel, W., & Love, J. D. (1991). Field Guide to the Geology and Mineralization of the South Pass Region, Wind River Range, Wyoming. In Mineral Resources of Wyoming: Wyoming Geological Association Forty-Second Field Conference Guidebook, Laramie, Wyo., Sept. 14-18, 1991 (Vol. 42, p. 181). Wyoming Geological Association.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Hausel, W., & Love, J. D. (1991). Field Guide to the Geology and Mineralization of the South Pass Region, Wind River Range, Wyoming. In Mineral Resources of Wyoming: Wyoming Geological Association Forty-Second Field Conference Guidebook, Laramie, Wyo., Sept. 14-18, 1991 (Vol. 42, p. 181). Wyoming Geological Association.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Hausel, W., & Love, J. D. (1991). Field Guide to the Geology and Mineralization of the South Pass Region, Wind River Range, Wyoming. In Mineral Resources of Wyoming: Wyoming Geological Association Forty-Second Field Conference Guidebook, Laramie, Wyo., Sept. 14-18, 1991 (Vol. 42, p. 181). Wyoming Geological Association.
Silver
Formula: Ag
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O QuartzSiO2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AgSilver
Ag SilverAg
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rocks & Min.:11:219 & 76:391.


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