Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Little Mina Mine, Butte, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA

mindat Locality ID: 27759
mindat URL: http://www.mindat.org/loc-27759.html

Tectonic Settings:

Total number of sublocalities beneath "Little Mina Mine, Butte, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°1'23"N
Longitude: 112°31'59"W
Decimal Degree (lat, lon): 46.023055555556,-112.53305555556

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Baryte	Calcite	Chalcopyrite	Columbite	Covellite	Enargite	Fluorite	None	Pyrite	Quartz
Rocksalt	Sphalerite	Tetrahedrite	Wurtzite

Baryte ()*	Bornite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Covellite ()*	Enargite ()*	Fluorite ()*	Galena ()*	Hübnerite ()*
Pyrite ()*	Quartz ()*	Rhodochrosite ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: As Ba C Ca Cu F Fe Mn O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality: As Ba C Ca Cu F Fe Mn O Pb S Sb Si W Zn

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Columbite Covellite Enargite Fluorite None Pyrite Quartz
Rocksalt Sphalerite Tetrahedrite Wurtzite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	11547
Bornite ()*	None	Cu₅FeS₄	5516
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcocite ()*	None	Cu₂S	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Covellite ()*	Covellite	CuS	4165
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	910
Fluorite ()*	Fluorite	CaF₂	9617
Galena ()*	Rocksalt	PbS	24243
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	469
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Sphalerite ()*	Sphalerite	ZnS	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5317

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...