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Lakeshore Mine (Gladstone), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison Co., Montana, USAi
Regional Level Types
Lakeshore Mine (Gladstone)Mine
Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District)Mining District
Madison Co.County
MontanaState
USACountry

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Key
Latitude & Longitude (WGS84):
45° 35' 4'' North , 112° 7' 5'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Sheridan677 (2017)15.6km
Twin Bridges394 (2017)17.2km
Pony118 (2011)19.2km
Harrison137 (2011)28.8km
Alder103 (2011)29.0km


REF:Deposit:: USGS BULL 574, P. 136.
Deposit:: MBMG MEM 9, P. 42.
Deposit:: USBM IC 6972, P. 67.
Deposit:: CONSV. DIV. COMP. DATE, 05-28-1963
Deposit:: 1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 574
Deposit:: MONTANA DEPARTMENT OF STATE LANDS. ABANDONED HARDROCK MINES
Deposit:: PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-173.
Deposit:: MONTANA BUREAU OF MINES IC 21, 1958, PLATE 2.
Deposit:: 1937 RECON U.S. BUREAU OF MINES, INF. CIRC
Commodities (Major) - Copper, Silver, Gold, Lead; (Trace) - Arsenic
Deposit Type: Vein
Development Status: Past Producer
Host Rock Unit: Pre Belt
Structure: Tobacco Root Batholith, Strong Fissures Trend N 30 E, 80 W.
Host Rock: Gneiss, Schist

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


4 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: USGS Bull 574
Chalcopyrite
Formula: CuFeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Bull 574
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Bull 574
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Bull 574

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

OOxygen
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
S ArsenopyriteFeAsS
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As ArsenopyriteFeAsS
USGS MRDS Record:10102062
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