Bouchassou stream alluvial deposits, Ribeyre, Saint-Ilpize, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
© François Périnet
Size 0,7 mm - Photo and collection François Périnet.
Size 0,5 mm - Photo and collection François Périnet.
Photo and collection François Périnet.
Size 0,8 mm - Photo and collection François Périnet.
Size 1,5 mm - Photo and collection François Périnet.
Size 0,5 mm - Photo and collection François Périnet - Analyse Vincent Bourgoin with the association Jean Wyart (UPMC).
June 2008 - very rainy spring