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Sibert, Marnand, Amplepuis, Rhône, Auvergne-Rhône-Alpes, France

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Latitude & Longitude (WGS84): 46° 1' 6'' North , 4° 19' 41'' East
Latitude & Longitude (decimal): 46.0183333333, 4.32805555556
Other/historical region names associated with this locality:Rhône-Alpes

This large deposit (0.6 x 1 x 2 km) is one of the biggest in France for copper (500 ppm) and molybdenum (200 ppm), much studied by drilling in 1972 but it has never been mined. It's a "porphyry type" deposit with microgranite veins intrusive in Visean ignimbrites. Copper and iron sulphides are included in quartz veins with sericite/orthoclase but lead and zinc sulphides are in quartz veins with fluorite/baryte. The slope of the D308 road, colored by altered iron sulphides, shows the peripheral area of the deposit.

Mineral List

15 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


- Icart J-C., Lacharpagne J-C., Sider H., Walgenwitz F. (1980): Altération et mineralisation de type Porphyry à Sibert (Rhône)
- BRGM (1981) - Fiche BSS 06731X4001/GT

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