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:
Montredon Mine, Montredon-Labessonnié, Tarn, Occitanie, France

Oldest recorded age at locality: 318.2
Youngest recorded age at locality: 297.2

mindat Locality ID: 20600
mindat URL: http://www.mindat.org/loc-20600.html

Tectonic Settings:

Total number of sublocalities beneath "Montredon Mine, Montredon-Labessonnié, Tarn, Occitanie, France": 0
Total number of bottom-level sublocalities: 0

Latitude: 43°43'59"N
Longitude: 2°21'0"E
Decimal Degree (lat, lon): 43.733055555556,2.35

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.

Arsenic	Arsenopyrite	Beryl	Chalcopyrite	Columbite	Fluorite	Marcasite	None	Pyrite	Quartz
Rutile	Sphalerite	Stannite	Stibnite	Tourmaline

Arsenopyrite ()*	Beryl ()*	Bismuth ()*	Bismuthinite ()*	Cassiterite ()*
Chalcopyrite ()*	Ferberite ()*	Fluorite ()*	Marcasite ()*	Pyrite ()*
Quartz ()*	Schorl ()*	Sphalerite ()*	Stannite ()*

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 As B Be Bi Ca Cu F Fe H Na O S Si Sn W Zn

Elements from minerals reported directly at this locality: Al As B Be Bi Ca Cu F Fe H Na O S Si Sn W Zn

Structural Groups for minerals in this locality:
Arsenic Arsenopyrite Beryl Chalcopyrite Columbite Fluorite Marcasite None Pyrite Quartz
Rutile Sphalerite Stannite Stibnite Tourmaline

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	318.2	297.2	9052
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	318.2	297.2	4286
Bismuth ()*	Arsenic	Bi	318.2	297.2	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	318.2	297.2	1935
Cassiterite ()*	Rutile	SnO₂	318.2	297.2	5171
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	318.2	297.2	27198
Ferberite ()*	Columbite	Fe²⁺(WO₄)	305.7	297.2	551
Fluorite ()*	Fluorite	CaF₂	318.2	297.2	9617
Marcasite ()*	Marcasite	FeS₂	318.2	297.2	5674
Pyrite ()*	Pyrite	FeS₂	318.2	297.2	39462
Quartz ()*	Quartz	SiO₂	318.2	297.2	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	318.2	297.2	2705
Sphalerite ()*	Sphalerite	ZnS	318.2	297.2	21482
Stannite ()*	Stannite Sphalerite	Cu₂FeSnS₄	318.2	297.2	668

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_478	Sample collected from mine dumps. The Lacoste-La Frégère vein system is the largest of several tungsten deposits within the district.
Michelle_479	Sample collected from mine dumps. The Lacoste-La Frégère vein system is the largest of several tungsten deposits within the district.
Michelle_480	Sample collected from mine dumps. The Lacoste-La Frégère vein system is the largest of several tungsten deposits within the district.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Age from other Locality	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Michelle_478	303.4	297.2	300.3 ± 3.1	Ar-Ar	Maximum age of tungsten emplacement	muscovite	ML-1	Yes	Muscovite	W	155552	Montredon-Labessonnié, Tarn, Occitanie, France	Montredon-Labessonnié	Harlaux et al. (2018)	10.1007/s00126-017-0721-0	MD53_21	Maximum age of tungsten emplacement
Michelle_479	305.7	299.3	302.5 ± 3.2	Ar-Ar	Maximum age of tungsten emplacement	biotite	ML-1	Yes		W	155552	Montredon-Labessonnié, Tarn, Occitanie, France	Montredon-Labessonnié	Harlaux et al. (2018)	10.1007/s00126-017-0721-0	MD53_21	Maximum age of tungsten emplacement
Michelle_480	318.2	313.6	315.9 ± 2.3	U-Pb	Age of wolframite crystallization	wolframite	ML-1	Yes			155552	Montredon-Labessonnié, Tarn, Occitanie, France	Montredon-Labessonnié	Harlaux et al. (2018)	10.1007/s00126-017-0721-0	MD53_21	Age of wolframite crystallization

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...