La Grande Vernissière (Fressac), Durfort mines, Durfort, Durfort-et-Saint-Martin-de-Sossenac, Gard, Occitanie, Francei
|Regional Level Types|
|La Grande Vernissière (Fressac)||- not defined -|
|Durfort mines||Group of Mines|
|Durfort||- not defined -|
|Durfort-et-Saint-Martin-de-Sossenac||- not defined -|
Old exploitation classicaly related to "Durfort mines". In fact on Fressac commune and not Durfort.
The Grande Vernissière, takes its name from the alquifoux (leadsulfide lacquer) used to varnish the pottery. Its exploitation began in the eighteenth century, but its peak of exploitation took place only from 1904 to 1907 with 18 to 20 tons per year thanks to the construction of a wash plant, galleries and a rise. Work has ceased in 1954.
Regions containing this locality
|Eurasian Plate||Tectonic Plate|
List of minerals for each chemical element
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
145 - 201.3 Ma
|Mesozoic sedimentary rocks|
Age: Jurassic (145 - 201.3 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. 
174.1 - 201.3 Ma
|mostly detrital deposit|