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:
Kerdreux, Crozon, Crozon Peninsula, Finistère, Brittany, France

mindat Locality ID: 155586
mindat URL: http://www.mindat.org/loc-155586.html

Tectonic Settings:

Total number of sublocalities beneath "Kerdreux, Crozon, Crozon Peninsula, Finistère, Brittany, France": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Cherty Tuffite Outcrops
Dolerite Sill

Latitude: 48°10'3"N
Longitude: 4°33'13"W
Decimal Degree (lat, lon): 48.1675,-4.5536111111111

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.

Chalcopyrite	Covellite	Feldspar	Nickeline	None	Pyrite	Quartz	Sphalerite

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 C Cu Fe Na Ni O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Covellite Feldspar Nickeline None Pyrite Quartz Sphalerite

9 IMA Minerals at location:

Albite ()*	Chalcopyrite ()*	Covellite ()*	Graphite ()*	Mackinawite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	52722	8803
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	52722	27198
Covellite ()*	Covellite	CuS	1	52722	4165
Graphite ()*	None	C	1	52722	2812
Mackinawite ()*	None	(Fe,Ni)_1+xS (x = 0-0.07)	1	52722	451
Pyrite ()*	Pyrite	FeS₂	1	52722	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	52722	9056
Quartz ()*	Quartz	SiO₂	1	52722	61156
Sphalerite ()*	Sphalerite	ZnS	1	52722	21482

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...