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, Rio Blanco Co., Colorado, USA

mindat Locality ID: 132804
mindat URL: http://www.mindat.org/loc-132804.html

Tectonic Settings:

Total number of sublocalities beneath "Piceance Basin, Rio Blanco Co., Colorado, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Colorado Hole No. 1
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	Nickeline	None	Northupite	Perovskite	Pyrite
Pyroxene	Quartz	Rocksalt	Smectite-vermiculite	Starkeyite	Wurtzite	Zircon

Aegirine ()*	Albite ()*	Analcime ()*	Ankerite ()*	Aragonite ()*
Baryte ()*	Barytocalcite ()*	Blödite ()*	Burkeite ()*	Calcite ()*
Cryolite ()*	Dawsonite ()*	Dolomite ()*	Fluorite ()*	Gibbsite ()*
Gypsum ()*	Halite ()*	Kaolinite ()*	Magnesite ()*	Marcasite ()*
Montmorillonite ()*	Muscovite ()*	Nahcolite ()*	Northupite ()*	Opal ()*
Orthoclase ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Riebeckite ()*
Searlesite ()*	Shortite ()*	Siderite ()*	Starkeyite ()*	Szomolnokite ()*
Trona ()*	Wegscheiderite ()*	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 Cl 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 Nickeline None Northupite Perovskite Pyrite
Pyroxene Quartz Rocksalt Smectite-vermiculite Starkeyite Wurtzite Zircon

39 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	195342	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	195342	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	195341	1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	195343	3092
Aragonite ()*	Aragonite	Ca(CO₃)	0		3250
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Barytocalcite ()*	None	BaCa(CO₃)₂	1	195342	83
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	2	195341,195342	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
Halite ()*	Rocksalt	NaCl	2	195341,195344	1398
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	0		5591
Magnesite ()*	Calcite	Mg(CO₃)	1	195342	1487
Marcasite ()*	Marcasite	FeS₂	1	195342	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
Nahcolite ()*	None	NaH(CO₃)	2	195341,195344	78
Northupite ()*	Northupite	Na₃Mg(CO₃)₂Cl	1	195344	31
Opal ()*	Amorphous	SiO₂·nH₂O	0		2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	195342	2349
Pyrite ()*	Pyrite	FeS₂	1	195342	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	195342	9056
Quartz ()*	Quartz	SiO₂	0		61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	0		375
Searlesite ()*	None	NaBSi₂O₅(OH)₂	1	195344	34
Shortite ()*	None	Na₂Ca₂(CO₃)₃	2	195341,195344	37
Siderite ()*	Calcite	Fe(CO₃)	1	195342	6417
Starkeyite ()*	Starkeyite	Mg(SO₄)·4H₂O	0		79
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	0		139
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O	1	195344	129
Wegscheiderite ()*	None	Na₅H₃(CO₃)₄	1	195344	8
Wurtzite ()*	Wurtzite	ZnS	1	195342	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...