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:
Fish Creek District, Routt Co., Colorado, USA

Oldest recorded age at locality: 1773
Youngest recorded age at locality: 1757

mindat Locality ID: 123032
mindat URL: http://www.mindat.org/loc-123032.html

Tectonic Settings:

Total number of sublocalities beneath "Fish Creek District, Routt Co., Colorado, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Buffalo Pass Occurrence
Buffalo Pass Road Occurrence
Fair-U Occurrence
Fish Creek
Fish Creek No. 5 Claim
Humes Prospect
Soda Creek Occurrence
South Fork Soda Creek Occurrence
Unknown Uranium Occurrence (MRDS - 10143176)
Unknown Uranium Occurrence (MRDS - 10264701)

Latitude: 40°31'34"N
Longitude: 106°44'26"W
Decimal Degree (lat, lon): 40.526111111111,-106.74055555556

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.

Allanite	Autunite	Chalcopyrite	Epidote	Fluorite	None	Spinel

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 Ca Ce Cr Cu Fe H K O P S Si U V Y

Elements from minerals reported directly at this locality: Al Ca Ce Fe H O Si Y

Structural Groups for minerals in this locality:
Allanite Autunite Chalcopyrite Epidote Fluorite None Spinel

8 IMA Minerals at location:

Allanite-(Ce) ()*	Allanite-(Y) ()*	Autunite ()*	Carnotite ()*	Chalcopyrite ()*
Chromite ()*	Uraninite ()*	Uranophane-α ()*

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
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1773	1757	0		706
Allanite-(Y) ()*	Allanite Epidote	CaY(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1773	1757	0		28
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O			2	195491,195494	1272
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O			1	195494	1184
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	195491	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	195492	3902
Uraninite ()*	Fluorite	UO₂			1	195491	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	195491	890

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
	Bradley_2012_075	1773	1757	1765±8	U/Pb			zircon				Zircon			118350	Buffalo Pass Occurrence, Fish Creek District, Routt Co., Colorado, USA	Buffalo Pass	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...