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:
Béchar Province, Algeria

Oldest recorded age at locality: 120
Youngest recorded age at locality: 120

mindat Locality ID: 131114
mindat URL: http://www.mindat.org/loc-131114.html

Tectonic Settings:

Total number of sublocalities beneath "Béchar Province, Algeria": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Béchar
Merija Cu Deposit (Meridja)

Latitude: 30°54'29"N
Longitude: 3°57'16"W
Decimal Degree (lat, lon): 30.908055555556,-3.9544444444444

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.

Cerite	Feldspar	Iron	None	Olivine	Pyroxene	Sapphirine	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 Fe Mg Na O P S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Cerite Feldspar Iron None Olivine Pyroxene Sapphirine Spinel

11 IMA Minerals at location:

Anorthite ()*	Augite ()*	Hercynite ()*	Iron ()*	Kirschsteinite ()*
Merrillite ()*	Pigeonite ()*	Rhönite ()*	Spinel ()*	Troilite ()*
Ulvöspinel ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	1348	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	1348	2060
Hercynite ()*	Spinel	Fe²⁺Al₂O₄	1	1348	407
Iron ()*	Iron	Fe	1	1348	1089
Kirschsteinite ()*	Olivine	CaFe²⁺(SiO₄)	1	1348	33
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	1348	230
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	1348	303
Rhönite ()*	Sapphirine	Ca₄[Mg₈Fe³⁺₂Ti₂]O₄[Si₆Al₆O₃₆]	1	1348	47
Spinel ()*	Spinel	MgAl₂O₄	1	1348	1934
Troilite ()*	None	FeS	1	1348	1044
Ulvöspinel ()*	Spinel	Fe²⁺₂TiO₄	1	1348	120

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
	sedcu-00015	120	120	Cretaceous										Cu	212981	Merija Cu Deposit (Meridja), Béchar Province, Algeria	Merija	Cox et al. (2003)		USGSOFR03_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...