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:
Durham Ranch Paralava, Reno Junction, Campbell Co., Wyoming, USA

Oldest recorded age at locality: 0.3
Youngest recorded age at locality: 0.3

mindat Locality ID: 4233
mindat URL: http://www.mindat.org/loc-4233.html

Tectonic Settings:

Total number of sublocalities beneath "Durham Ranch Paralava, Reno Junction, Campbell Co., Wyoming, USA": 0
Total number of bottom-level sublocalities: 0

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.

Baryte	Beryl	Calcite	Corundum	Cristobalite	Feldspar	Melilite	None	Not in a structural group	Pyroxene
Sapphirine	Spinel	Tridymite	Wollastonite

Alumoåkermanite ()*	Anorthite ()*	Baryte ()*	Calcite ()*	Clinoferrosilite ()*
Cristobalite ()*	Dorrite ()*	Esseneite ()*	Ferroindialite ()*	Gehlenite ()*
Hematite ()*	Indialite ()*	Magnetite ()*	Mullite ()*	Nepheline ()*
Sahamalite-(Ce) ()*	Sillimanite ()*	Tridymite ()*	Ulvöspinel ()*	Wollastonite ()*

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 Ba C Ca Ce Fe K Mg Na O S Si Ti

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

Structural Groups for minerals in this locality:
Baryte Beryl Calcite Corundum Cristobalite Feldspar Melilite None Not in a structural group Pyroxene
Sapphirine Spinel Tridymite Wollastonite

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Alumoåkermanite ()*	Melilite	(Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇)	0.3	0.3	7
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	0.3	0.3	1036
Baryte ()*	Baryte	Ba(SO₄)	0.3	0.3	11547
Calcite ()*	Calcite	Ca(CO₃)	0.3	0.3	27770
Clinoferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆	0.3	0.3	18
Cristobalite ()*	Cristobalite	SiO₂	0.3	0.3	453
Dorrite ()*	Sapphirine	Ca₄[Mg₃Fe³⁺₉]O₄[Si₃Al₈Fe³⁺O₃₆]	0.3	0.3	10
Esseneite ()*	Pyroxene	CaFe³⁺AlSiO₆	0.3	0.3	17
Ferroindialite ()*	Beryl	(Fe²⁺,Mg)₂Al₄Si₅O₁₈	0.3	0.3	4
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	0.3	0.3	114
Hematite ()*	Corundum	Fe₂O₃	0.3	0.3	14640
Indialite ()*	Beryl	Mg₂Al₃(AlSi₅)O₁₈	0.3	0.3	24
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0.3	0.3	14899
Mullite ()*	None	Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)	0.3	0.3	78
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	0.3	0.3	884
Sahamalite-(Ce) ()*	None	Ce₂Mg(CO₃)₄	0.3	0.3	2
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0.3	0.3	1516
Tridymite ()*	Tridymite	SiO₂	0.3	0.3	458
Ulvöspinel ()*	Spinel	Fe²⁺₂TiO₄	0.3	0.3	120
Wollastonite ()*	Wollastonite	CaSiO₃	0.3	0.3	1247

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_0266_fa	Paralava/clinker from the Felix Coal Zone of the Powder River Basin near Durham Ranch, WY. Minerals in clinker form as alteration from burning coal.

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_0266_fa	0.3	0.3	<0.3	Fission Track	Age of pyrometamorphism near Durham Ranch		zircon	79F-A			Zircon			4233	Durham Ranch Paralava, Reno Junction, Campbell Co., Wyoming, USA	Durham Ranch	Heffern et al. (2007)		REG18_155	See Table 1. Clinker and paralava is found across the Powder River Basin due to numerous ignitions and migration. Ages across the Powder River Basin range from 0.08 to 2.9 ma, with paleomagnetic evidence up to around 4 ma.

Sample	Source Locality	Reference URL
FKM-152	Durham Ranch Paralava, Reno Junction, Campbell Co., Wyoming, USA	https://www.rockptx.com/fkm-151-to-fkm-175/#FKM-152

All locality data graciously provided by mindat.org

All age data...