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:
Blaine Co., Montana, USA

Oldest recorded age at locality: 52
Youngest recorded age at locality: 44

mindat Locality ID: 52677
mindat URL: http://www.mindat.org/loc-52677.html

Tectonic Settings:

Total number of sublocalities beneath "Blaine Co., Montana, USA": 21
Total number of bottom-level sublocalities: 19

Number of Child Localities: 18
Child Localities:
Bearpaw Mining District (Bear Paw Mining District)
Black Diamond Claim
Clay Pit (MRDS - 10148105)
Dike 1
Edison Claim
Edith M. Claim
Hal 2; 3 Occurrence
Hal 21/22 Occurrence
Hal 23/24 Occurrence
Hal 32 Occurrence
Matador Dome Occurrence
Rex Claim
Silver King Claim
Snake Butte Quarry
Unnamed Bentonite Occurrence (MRDS - 10148081)
Unnamed Bentonite Occurrence (MRDS - 10232559)
Unnamed Bentonite Occurrence (MRDS - 10245729)
Unnamed Lead & Barium Occurrence (MRDS - 10172166)

Latitude: 48°17'17"N
Longitude: 109°4'14"W
Decimal Degree (lat, lon): 48.288055555556,-109.07055555556

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.

Calcite	Chalcopyrite	Copper	Natrolite	None	Pyrite	Quartz	Rocksalt	Sphalerite

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: Ag Al C Ca Cu Fe H Na O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Copper Natrolite None Pyrite Quartz Rocksalt Sphalerite

8 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Galena ()*	Natrolite ()*	Pyrite ()*
Quartz ()*	Silver ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	227062	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	227062	27198
Galena ()*	Rocksalt	PbS	1	227062	24243
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1	227063	1236
Pyrite ()*	Pyrite	FeS₂	1	227062	39462
Quartz ()*	Quartz	SiO₂	1	227062	61156
Silver ()*	Copper	Ag	1	227062	5186
Sphalerite ()*	Sphalerite	ZnS	1	227062	21482

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-29724	52	44	48±4					29724						161922	Hal 32 Occurrence, Blaine Co., Montana, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...