Sample records for ALTERATION HYDROTHERMALE (hydrothermal alteration)
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Sample records 1 - 1 shown.



1

Palaeozoic oolitic ironstone of the French Armorican Massif: a chemical and structural trap for orogenic base metal-As-Sb-Au mineralization during Hercynian strike-slip deformation.

Gloaguen, Eric; Branquet, Yannick; Boulvais, P.; Moëlo, Y.; Chauvel, J.J.; Chiappero, P.J.; Marcoux, Eric

In the Saint-Aubin-des-Châteaux quarry (Armorican Hercynian belt, western France), an epigenetic hydrothermal alteration affects an oolitic ironstone layer intercalated within the Lower Ordovician Grès armoricain Formation. The hydrothermal overprint produced pervasive and massive sulphidation with ...

DRIVER (French)