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Poulin Mine (Stella Mine; Buffalo Mine), Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA i
Regional Level Types
Poulin Mine (Stella Mine; Buffalo Mine) Mine
Butte Mining District (Summit Valley Mining District) Mining District
Silver Bow County County
Montana State
USA Country

Regional Level Types
Poulin Mine (Stella Mine; Buffalo Mine)	Mine
Butte Mining District (Summit Valley Mining District)	Mining District
Silver Bow County	County
Montana	State
USA	Country

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Predictive Mineralogy

Tetrahedrite Subgroup, etc.

Poulin Mine, Butte Mining District, Silver Bow County, Montana, USA

Tetrahedrite Subgroup, etc.

Poulin Mine, Butte Mining District, Silver Bow County, Montana, USA

Tetrahedrite Subgroup, etc.

Poulin Mine, Butte Mining District, Silver Bow County, Montana, USA

Latitude & Longitude (WGS84):

46° 1' 20'' North , 112° 32' 17'' West

Latitude & Longitude (decimal):

Type:

Köppen climate type:

Dfb : Warm-summer humid continental climate

Nearest Settlements:

Place	Population	Distance
Walkerville	700 (2017)	1.3km
Butte	34,190 (2011)	2.1km
Butte-Silver Bow (Balance)	33,525 (2013)	16.2km
Warm Springs	3,000 (2013)	25.9km
Anaconda	9,417 (2011)	33.3km

Mindat Locality ID:

35175

Long-form identifier:

mindat:1:2:35175:8

GUID (UUID V4):

USGS PP 74, P. 160-66, PL. X
Commodities (Major) - Copper; (Minor) - Zinc, Silver, Gold; (Trace) - Arsenic
Development Status: Past Producer
Structure: Boulder Batholith
Host Rock: Quartz Monzonite

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.

ⓘ Gold

ⓘ Silver

ⓘ Zinc

Mineral List

12 valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Quartz-monzonite

Detailed Mineral List:

ⓘ Baryte

Formula: BaSO₄

References:

Sales, Reno H. (1914) Ore Deposits at Butte, Montana (with Discussion). Transactions of The American Institute of Mining Engineers, 46. 3-109

ⓘ Bornite

Formula: Cu₅FeS₄

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chalcocite

Formula: Cu₂S

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

ⓘ Enargite

Formula: Cu₃AsS₄

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

ⓘ Galena

Formula: PbS

References:

Sales, Reno H. (1914) Ore Deposits at Butte, Montana (with Discussion). Transactions of The American Institute of Mining Engineers, 46. 3-109

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

ⓘ Native Copper

Formula: Cu

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

ⓘ Native Gold

Formula: Au

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Pyrite

Formula: FeS₂

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Quartz

Formula: SiO₂

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Sphalerite

Formula: ZnS

References:

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Tennantite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)As₄S₁₂S

References:

Sales, Reno H. (1914) Ore Deposits at Butte, Montana (with Discussion). Transactions of The American Institute of Mining Engineers, 46. 3-109

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

Sales, Reno H. (1914) Ore Deposits at Butte, Montana (with Discussion). Transactions of The American Institute of Mining Engineers, 46. 3-109

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	'Tennantite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
ⓘ	Enargite	2.KA.05	Cu₃AsS₄
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	Carbon
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Baryte	BaSO₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Quartz	SiO₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Enargite	Cu₃AsS₄
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Enargite	Cu₃AsS₄
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Enargite	Cu₃AsS₄
As	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Au	Gold
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Galena	PbS

Other Databases

Link to USGS MRDS:	10012454

Other Regions, Features and Areas containing this locality

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Great Falls DomainDomain
Northern Rocky MountainsWide Rift

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.

References

Butte Shafts - Surface Preliminary Map, Anaconda Company Unpublished

Weed, W.H. (1912) Geology and ore deposits of the Butte district, Montana. Professional Paper 74. US Geological Survey doi:10.3133/pp74

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