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Le Mazet vein, Échassières, Ébreuil, Allier, Auvergne-Rhône-Alpes, France

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Latitude & Longitude (WGS84): 46° 11' 56'' North , 2° 57' 32'' East
Latitude & Longitude (decimal): 46.19889,2.95889
GeoHash:G#: u04ng6685
Locality type:Vein
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Filon du Mazet, Échassières, Ebreuil, Allier, Auvergne, France
Other/historical names associated with this locality:Auvergne; Rhône-Alpes


On the right of the road, just 50 m before the first building of Le Mazet ore dressing, coming from Echassières.
During may 2008, trees were cut down and Le Mazet vein dumps became accessible.

The mineralization is similar to that of the Les Montmins mine (Ste Barbe vein), although the micromounts are usually not as spectacular.

NOTE: A detailed article on the mineralogy, including several new determinations for the whole Échassières area, is currently in preparation (U. Kolitsch, 2008-2016).



Mineral List


68 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Miocene
5.333 - 23.03 Ma



ID: 3191181
Cenozoic sedimentary rocks

Age: Miocene (5.333 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleozoic - Neoproterozoic
252.17 - 1000 Ma



ID: 3130920
para-autochtonous unit

Age: Neoproterozoic to Permian (252.17 - 1000 Ma)

Description: high grade metamorphic

Lithology: Mica schist

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Aubert, G. (1969): Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) et la genèse de leurs minéralisations en étain, lithium, tungstène et béryllium. Mémoires du BRGM N°46, 345 p.
Merceron, T., Vieillard, P., Fouillac, A. M. & Meunier, A. (1992): Hydrothermal alterations in the Echassières granitic cupola (Massif Central, France). Contributions to Mineralogy and Petrology 112, 279-292.
Kolitsch, U., Lengauer, C.L. and Giester, G. (2016): Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. European Journal of Mineralogy 28, 71-81.

Mineral and/or Locality  
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