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:
Piceance Creek Basin, Rio Blanco Co., Colorado, USA

Oldest recorded age at locality: 56
Youngest recorded age at locality: 33.9

mindat Locality ID: 275421
mindat URL: http://www.mindat.org/loc-275421.html

Tectonic Settings:

Total number of sublocalities beneath "Piceance Creek Basin, Rio Blanco Co., Colorado, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Piceance Creek Basin Saline Deposits (Piceance Creek Basin Nahcolite And Dawsonite Deposits)
Sinclair Cross V Well No. 1
Sinclair Skyline Core Hole No. 1

Latitude: 39°57'11"N
Longitude: 108°22'41"W
Decimal Degree (lat, lon): 39.953055555556,-108.37805555556

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.

Feldspar	None	Northupite	Not in a structural group	Rocksalt

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 B C Ca Cl H Mg N Na Ni O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Feldspar None Northupite Not in a structural group Rocksalt

9 IMA Minerals at location:

Abelsonite ()*	Albite ()*	Dawsonite ()*	Dolomite ()*	Halite ()*
Nahcolite ()*	Nordstrandite ()*	Northupite ()*	Searlesite ()*

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
Abelsonite ()*	Not in a structural group	NiC₃₁H₃₂N₄	56	33.9	1	195348	10
Albite ()*	Feldspar	Na(AlSi₃O₈)	56	33.9	1	195348	8803
Dawsonite ()*	None	NaAl(CO₃)(OH)₂	56	33.9	1	195348	90
Dolomite ()*	None	CaMg(CO₃)₂			1	195349	9895
Halite ()*	Rocksalt	NaCl	56	33.9	1	195348	1398
Nahcolite ()*	None	NaH(CO₃)	56	33.9	2	195348,195350	78
Nordstrandite ()*	None	Al(OH)₃			1	195349	64
Northupite ()*	Northupite	Na₃Mg(CO₃)₂Cl			1	195350	31
Searlesite ()*	None	NaBSi₂O₅(OH)₂			1	195350	34

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
	Michelle_0016	56	33.9	56-33.9	Stratigraphy	Age of deposition							Abelsonite		118255	Piceance Creek Basin Saline Deposits (Piceance Creek Basin Nahcolite And Dawsonite Deposits), Piceance Creek Basin, Rio Blanco Co., Colorado, USA	Piceance Creek Basin Saline Deposits	Mason et al. (1989)	10.1016/0146-6380(89)90038-7	OG14_585

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...