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 Basin, Garfield Co., Colorado, USA

mindat Locality ID: 132803
mindat URL: http://www.mindat.org/loc-132803.html

Tectonic Settings:

Total number of sublocalities beneath "Piceance Basin, Garfield Co., Colorado, USA": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
East Willow Creek No. 1 Core Hole
Green River Formation

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amorphous	Amphibole	Analcime	Aragonite	Baryte	Blödite	Calcite	Clay	Feldspar	Fluorite
Gypsum	Kaolinite	Kieserite	Marcasite	Mica	Natrolite	Nickeline	None	Perovskite	Pyrite
Pyroxene	Quartz	Smectite-vermiculite	Starkeyite	Wurtzite	Zircon

Aegirine ()*	Albite ()*	Analcime ()*	Ankerite ()*	Aragonite ()*
Baryte ()*	Blödite ()*	Burkeite ()*	Calcite ()*	Cryolite ()*
Dawsonite ()*	Dolomite ()*	Fluorite ()*	Gibbsite ()*	Gypsum ()*
Kaolinite ()*	Magnesite ()*	Marcasite ()*	Montmorillonite ()*	Muscovite ()*
Natrolite ()*	Opal ()*	Orthoclase ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Riebeckite ()*	Searlesite ()*	Siderite ()*	Starkeyite ()*
Szomolnokite ()*	Wurtzite ()*	Zircon ()*

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 Ba C Ca F Fe H K Mg Na O S Si Zn Zr

Elements from minerals reported directly at this locality: Al Ba C Ca F Fe H K Mg Na O S Si Zr

Structural Groups for minerals in this locality:
Amorphous Amphibole Analcime Aragonite Baryte Blödite Calcite Clay Feldspar Fluorite
Gypsum Kaolinite Kieserite Marcasite Mica Natrolite Nickeline None Perovskite Pyrite
Pyroxene Quartz Smectite-vermiculite Starkeyite Wurtzite Zircon

33 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	188757	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	188757	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	0		1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	188758	3092
Aragonite ()*	Aragonite	Ca(CO₃)	0		3250
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Blödite ()*	Blödite	Na₂Mg(SO₄)₂·4H₂O	0		130
Burkeite ()*	None	Na₄(SO₄)(CO₃)	0		47
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Cryolite ()*	Perovskite	Na₂NaAlF₆	0		50
Dawsonite ()*	None	NaAl(CO₃)(OH)₂	1	188757	90
Dolomite ()*	None	CaMg(CO₃)₂	0		9895
Fluorite ()*	Fluorite	CaF₂	0		9617
Gibbsite ()*	None	Al(OH)₃	0		504
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0		6890
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	0		5591
Magnesite ()*	Calcite	Mg(CO₃)	0		1487
Marcasite ()*	Marcasite	FeS₂	1	188757	5674
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	0		1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1	188756	1236
Opal ()*	Amorphous	SiO₂·nH₂O	0		2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	188757	2349
Pyrite ()*	Pyrite	FeS₂	1	188757	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	188757	9056
Quartz ()*	Quartz	SiO₂	0		61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	0		375
Searlesite ()*	None	NaBSi₂O₅(OH)₂	1	188757	34
Siderite ()*	Calcite	Fe(CO₃)	0		6417
Starkeyite ()*	Starkeyite	Mg(SO₄)·4H₂O	0		79
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	0		139
Wurtzite ()*	Wurtzite	ZnS	1	188757	372
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

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...