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:
Big Sandy Creek, Bearpaw Mts, Hill Co., Montana, USA

mindat Locality ID: 251237
mindat URL: http://www.mindat.org/loc-251237.html

Tectonic Settings:

Total number of sublocalities beneath "Big Sandy Creek, Bearpaw Mts, Hill Co., Montana, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Vermiculite Prospect No. 6

Latitude: 48°10'4"N
Longitude: 109°43'1"W
Decimal Degree (lat, lon): 48.167777777778,-109.71694444444

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	Burbankite	Calcite	Chalcopyrite	Corundum	Diaspore	Feldspar	Nickeline	None	Pyrite
Pyroxene	Rocksalt	Tetrahedrite

Aegirine ()*	Baryte ()*	Burbankite ()*	Calcite ()*	Calkinsite-(Ce) ()*
Chalcopyrite ()*	Galena ()*	Goethite ()*	Ilmenite ()*	Pyrite ()*
Pyrrhotite ()*	Sanidine ()*	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: Al Ba C Ca Ce Cu Fe H K Na O Pb S Sb Si Sr Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Burbankite Calcite Chalcopyrite Corundum Diaspore Feldspar Nickeline None Pyrite
Pyroxene Rocksalt Tetrahedrite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	228972	1022
Baryte ()*	Baryte	Ba(SO₄)	1	228972	11547
Burbankite ()*	Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅	1	228972	52
Calcite ()*	Calcite	Ca(CO₃)	1	228972	27770
Calkinsite-(Ce) ()*	None	Ce₂(CO₃)₃·4H₂O	1	228972	8
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	228972	27198
Galena ()*	Rocksalt	PbS	1	228972	24243
Goethite ()*	Diaspore	FeO(OH)	1	228972	7437
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	228972	5433
Pyrite ()*	Pyrite	FeS₂	1	228972	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	228972	9056
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1	228972	598
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	228972	5317

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...