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:
Cransac, Decazeville Coal Basin, Decazeville, Aveyron, Occitanie, France

mindat Locality ID: 50082
mindat URL: http://www.mindat.org/loc-50082.html

Tectonic Settings:

Total number of sublocalities beneath "Cransac, Decazeville Coal Basin, Decazeville, Aveyron, Occitanie, France": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°31'30"N
Longitude: 2°17'0"E
Decimal Degree (lat, lon): 44.525,2.2833333333333

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.

Beryl	Bournonite	Calcite	Clay	Feldspar	Gypsum	Kaolinite	None	Not in a structural group	Pyroxene
Sulphur	Vivianite

Alunogen ()*	Anorthite ()*	Augite ()*	Bournonite ()*	Cordierite ()*
Graphite ()*	Gypsum ()*	Kalinite ()*	Kaolinite ()*	Salammoniac ()*
Schreibersite ()*	Siderite ()*	Sulphur ()*	Vivianite ()*

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 Ca Cl Cr Cu Fe H K Mg N Ni O P Pb S Sb Si

Elements from minerals reported directly at this locality: Al C Ca Cl Cu Fe H K Mg N Ni O P Pb S Sb Si

Structural Groups for minerals in this locality:
Beryl Bournonite Calcite Clay Feldspar Gypsum Kaolinite None Not in a structural group Pyroxene
Sulphur Vivianite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	272
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Bournonite ()*	Bournonite	CuPbSbS₃	1089
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1008
Graphite ()*	None	C	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Kalinite ()*	None	KAl(SO₄)₂·11H₂O	54
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Salammoniac ()*	None	(NH₄)Cl	105
Schreibersite ()*	None	(Fe,Ni)₃P	374
Siderite ()*	Calcite	Fe(CO₃)	6417
Sulphur ()*	Sulphur	S	2045
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	636

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...