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:
G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA

Oldest recorded age at locality: 135
Youngest recorded age at locality: 50

mindat Locality ID: 161573
mindat URL: http://www.mindat.org/loc-161573.html

Tectonic Settings:

Total number of sublocalities beneath "G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°26'55"N
Longitude: 112°'21"W
Decimal Degree (lat, lon): 46.448611111111,-112.00583333333

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.

Fluorite	None	Quartz

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: O Si U

Elements from minerals reported directly at this locality: O Si U

Structural Groups for minerals in this locality:
Fluorite None Quartz

2 IMA Minerals at location:

Quartz ()*	Uraninite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Quartz ()*	Quartz	SiO₂	135	50	0		61156
Uraninite ()*	Fluorite	UO₂	135	50	0		2718

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-U-Th-Pb-00942_206_238	50	50	50	206_238	uraninite, pitchblende	161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00942_207_206	135	135	135	207_206	uraninite, pitchblende	161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00942_207_235	55	55	55	207_235	uraninite, pitchblende	161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...