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⇱ Horseshoe Claim, Colorado Mining District (Prickly Pear Mining District; Corbin Mining District), Jefferson County, Montana, USA

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Horseshoe Claim, Colorado Mining District (Prickly Pear Mining District; Corbin Mining District), Jefferson County, Montana, USAi
Regional Level Types
Horseshoe ClaimClaim
Colorado Mining District (Prickly Pear Mining District; Corbin Mining District)Mining District
Jefferson CountyCounty
MontanaState
USACountry

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Latitude & Longitude (WGS84):
46° 22' 57'' North , 112° 5' 45'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Jefferson City472 (2011)5.3km
Clancy1,661 (2011)12.4km
Boulder1,207 (2017)16.3km
Basin212 (2011)17.8km
South Hills517 (2017)20.8km
Mindat Locality ID:
162172
Long-form identifier:
mindat:1:2:162172:6
GUID (UUID V4):
0


REF:Deposit:: MBMG BULL 16, P. 51.
Deposit:: USGS BULL 842, P. 245.
Deposit:: USGS BULL 527, P. 117-18.
Commodities (Major) - Gold
Development Status: Occurrence
Structure: Boulder Batholith, Dacite Dike Intrusions
Host Rock: Andesite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Unclassified
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyriteFeS2
CaCalcium
Caⓘ GypsumCaSO4 · 2H2O
FeIron
Feⓘ PyriteFeS2
AuGold
Auⓘ Native GoldAu

Other Databases

Link to USGS MRDS:10094755

Other Regions, Features and Areas containing this locality


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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