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Belmont-l'Estaing, Saint-Privat-du-Dragon, Lavoûte-Chilhac, Haute-Loire, Auvergne, France

- Quartz-galena vein and gossan : at the beginning of the village, on left side of the road ; 650 meters east, under the road to the village ; on the path from the road to Belmont to road D4.
- Very old exploitations about 500 meters north-east from Belmont : granitic pegmatites with white quartz and cassiterite vein. Old gold workings. (J. Dorlhac, Revue de l'Industrie Minérale, 1862, T VIII, L3).

Two type of mineralizations can still be seen :
- Microcrystalline/heterogranular/mosaic red quartz (with hematite) brecciating host rocks.
This type of quartz contains numerous "ghosts" of plagioclase laths. This formation is very probably the result of the silification of a dolerite vein.
Galena, sphalerite and sulphosalts are associated with this type of quartz.

- "Hot" (pegmatitic) quartz associated with pyrrhotite, arsenopyrite and schorl.

Host rocks : anatexites and granites.





Mineral List:
'Albite-Anorthite Series'
Anatase
Arsenopyrite
Boulangerite
Bournonite
Cassiterite
Cerussite
Covellite
Galena
Geocronite
Goethite
Gold
Hematite
Limonite
Pyrite
Pyrrhotite
Quartz
Schorl
Sphalerite


19 entries listed. 17 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 30th Oct 2009 12:33:32