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:
Guelb Richat, Adrar Region, Mauritania

Oldest recorded age at locality: 90
Youngest recorded age at locality: 80

mindat Locality ID: 61339
mindat URL: http://www.mindat.org/loc-61339.html

Tectonic Settings:

Total number of sublocalities beneath "Guelb Richat, Adrar Region, Mauritania": 0
Total number of bottom-level sublocalities: 0

Latitude: 21°7'36"N
Longitude: 11°24'5"W
Decimal Degree (lat, lon): 21.126666666667,-11.401388888889

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.

Analcime	Baryte	Calcite	Clay	Corundum	Diamond	Kaolinite	Mica	None	Not in a structural group
Pyrite	Quartz	Spinel

Analcime ()*	Anatase ()*	Ankerite ()*	Baryte ()*	Calcite ()*
Dawsonite ()*	Diamond ()*	Dolomite ()*	Gibbsite ()*	Hematite ()*
Kaolinite ()*	Magnetite ()*	Nordstrandite ()*	Phlogopite ()*	Pyrite ()*
Quartz ()*

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 Fe H K Mg Na O S Si Ti

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

Structural Groups for minerals in this locality:
Analcime Baryte Calcite Clay Corundum Diamond Kaolinite Mica None Not in a structural group
Pyrite Quartz Spinel

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	90	80	1627
Anatase ()*	Not in a structural group	TiO₂	90	80	2162
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	90	80	3092
Baryte ()*	Baryte	Ba(SO₄)	90	80	11547
Calcite ()*	Calcite	Ca(CO₃)	90	80	27770
Dawsonite ()*	None	NaAl(CO₃)(OH)₂	90	80	90
Diamond ()*	Diamond	C	90	80	697
Dolomite ()*	None	CaMg(CO₃)₂	90	80	9895
Gibbsite ()*	None	Al(OH)₃	90	80	504
Hematite ()*	Corundum	Fe₂O₃	90	80	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	90	80	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	90	80	14899
Nordstrandite ()*	None	Al(OH)₃	90	80	64
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	90	80	2273
Pyrite ()*	Pyrite	FeS₂	90	80	39462
Quartz ()*	Quartz	SiO₂	90	80	61156

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000691	MAGMATIC STYLE: Dykes and small necks. ASSOCIATED SILICATE ROCKS: Gabbro, analcimolite and dykes of dolerite, diorite and oligoclasite.

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
	Jen_0000691	90	80	85±5	Fission Track			apatite							61339	Guelb Richat, Adrar Region, Mauritania	Richat Dome	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...