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 Mountain Mining District, Big Horn Co., Wyoming, USA

mindat Locality ID: 7140
mindat URL: http://www.mindat.org/loc-7140.html

Tectonic Settings:

Total number of sublocalities beneath "Little Mountain Mining District, Big Horn Co., Wyoming, USA": 23
Total number of bottom-level sublocalities: 23

Number of Child Localities: 23
Child Localities:
Anomaly No. 3 Occurrence
Anomaly No. 4 Occurrence
Big Hill Group (MRDS - 10132712)
Big Hill Group (MRDS - 10132890)
Big Hill Group (MRDS - 10158959)
Big Hill Group (MRDS - 10254497)
Burgess Claim
Fusner Mine (Fuesner & Sons)
Jet Claims; Modern Claims
Mudstone Claims
Reeves Ranch Occurrence
Ryan Consolidated Claims
Sanguine Claim
Sanguine No. 12
Shell Creek Prospect
Unknown Uranium (MRDS - 10157326)
Unknown Uranium (MRDS - 10182129)
Unknown Uranium (MRDS - 10254229)
Unknown Uranium (MRDS - 10254698)
Unknown Uranium (MRDS - 10279312)
Unknown Uranium Occurrence (MRDS - 10132326)
Wildcat Group
Zeisman Ranch

Latitude: 44°24'6"N
Longitude: 107°41'13"W
Decimal Degree (lat, lon): 44.401666666667,-107.68694444444

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	Fritzscheite	None

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: C Ca H K Na O Si U V

Elements from minerals reported directly at this locality: C Ca H O U V

Structural Groups for minerals in this locality:
Calcite Fritzscheite None

4 IMA Minerals at location:

Boltwoodite ()*	Calcite ()*	Metatyuyamunite ()*	Tyuyamunite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Boltwoodite ()*	None	(K,Na)(UO₂)(SiO₃OH)·1.5H₂O	1	289914	67
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Metatyuyamunite ()*	Fritzscheite	Ca(UO₂)₂(VO₄)₂·3H₂O	0		129
Tyuyamunite ()*	None	Ca(UO₂)₂(VO₄)₂·5-8H₂O	2	289920,289923	628

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...