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:
Les Grands Sables, Primiture, Groix Island, Morbihan, Brittany, France

mindat Locality ID: 294862
mindat URL: http://www.mindat.org/loc-294862.html

Tectonic Settings:

Total number of sublocalities beneath "Les Grands Sables, Primiture, Groix Island, Morbihan, Brittany, France": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Les Grands Sables Beach Alluvials

Latitude: 47°38'16"N
Longitude: 3°25'18"W
Decimal Degree (lat, lon): 47.637777777778,-3.4216666666667

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.

Amphibole	Andalusite	Chloritoid	Clinozoisite	Corundum	Epidote	Feldspar	Garnet	None	Not in a structural group
Olivine	Pyrite	Rutile	Spinel	Staurolite	Titanite	Zircon

Albite ()*	Almandine ()*	Anatase ()*	Andalusite ()*	Chloritoid ()*
Corundum ()*	Epidote ()*	Forsterite ()*	Glaucophane ()*	Hematite ()*
Ilmenite ()*	Kyanite ()*	Magnetite ()*	Pyrite ()*	Rutile ()*
Sillimanite ()*	Spinel ()*	Staurolite ()*	Titanite ()*	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 Ca Fe H Mg Na O S Si Ti Zr

Elements from minerals reported directly at this locality: Al Fe Na O Si

Structural Groups for minerals in this locality:
Amphibole Andalusite Chloritoid Clinozoisite Corundum Epidote Feldspar Garnet None Not in a structural group
Olivine Pyrite Rutile Spinel Staurolite Titanite Zircon

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	0		8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0		2353
Anatase ()*	Not in a structural group	TiO₂	1	53264	2162
Andalusite ()*	Andalusite	Al₂SiO₅	1	53264	1310
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂	1	53264	376
Corundum ()*	Corundum	Al₂O₃	1	53264	1797
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	53264	8173
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	53264	1188
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	1	53264	286
Hematite ()*	Corundum	Fe₂O₃	1	53264	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	53264	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	53264	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	53264	14899
Pyrite ()*	Pyrite	FeS₂	1	53264	39462
Rutile ()*	Rutile	TiO₂	1	53264	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	53264	1516
Spinel ()*	Spinel	MgAl₂O₄	1	53264	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	53264	978
Titanite ()*	Titanite	CaTi(SiO₄)O	1	53264	4899
Zircon ()*	Zircon	Zr(SiO₄)	1	53264	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...