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:
Bourges, Cher, Centre-Val De Loire, France

mindat Locality ID: 155622
mindat URL: http://www.mindat.org/loc-155622.html

Tectonic Settings:

Total number of sublocalities beneath "Bourges, Cher, Centre-Val De Loire, France": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Châteaumeillant
Quincy-sur-Cher

Latitude: 47°8'2"N
Longitude: 2°9'21"E
Decimal Degree (lat, lon): 47.133888888889,2.1558333333333

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	Baryte	Calcite	Clay	None	Pyrite	Quartz	Sepiolite

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: Ba C Ca Fe H Mg O S Si

Elements from minerals reported directly at this locality: Fe S

Structural Groups for minerals in this locality:
Amorphous Baryte Calcite Clay None Pyrite Quartz Sepiolite

6 IMA Minerals at location:

Baryte ()*	Calcite ()*	Opal ()*	Pyrite ()*	Quartz ()*
Sepiolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	1	53476	11547
Calcite ()*	Calcite	Ca(CO₃)	1	53477	27770
Opal ()*	Amorphous	SiO₂·nH₂O	1	53477	2994
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	1	53477	61156
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	1	53477	241

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...