Châteaumorand and RN7 slope, Saint-Martin-d'Estréaux, La Pacaudière, Loire, Auvergne-Rhône-Alpes, France
|Latitude & Longitude (WGS84):||46° 12' 29'' North , 3° 48' 31'' East|
|Latitude & Longitude (decimal):||46.20806,3.80861|
|Köppen climate type:||Cfb : Temperate oceanic climate|
|Other/historical region names associated with this locality:||Rhône-Alpes|
A roughly E-W striking quartz-barite vein including lead and minor uranium ores. The vein is exposed near the railway station, near Châteaumorand, about 1 km north of St Martin-d'Estréaux. Located about 6 km NW of la Pacaudière, in the extreme northwest of the Loire department.
The same vein (or a similar parallel vein) outcrops in the slope of the N7 road near St Martin.
14 valid minerals.
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
|Permian - Carboniferous|
252.17 - 358.9 Ma
|Carboniferous-Permian plutonic rocks|
Age: Paleozoic (252.17 - 358.9 Ma)
Comments: Deep-seated to high-level intrusions are included. Many charnockites, anorthosites, and large ophiolites, classified as plutons, are distinguished in the database using the SIGNIF item. Ophiolites were classified as plutons, even where remnants may be extrusive and/or sedimentary.
Lithology: Plutonic rocks
Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. 
- Jorelle C. (2002): La barytine et la fluorite de St-Martin-d'Estréaux (Loire), Le Règne Minéral, n°45, 22-25.