	Gloaguen, Eric, Branquet, Yannick, Boulvais, Philippe, Moëlo, Yves, Chauvel, Jean-Jacques, Chiappero, Pierre-Jacques, Marcoux, Eric (2007) Palaeozoic oolitic ironstone of the French Armorican Massif: a chemical and structural trap for orogenic base metal–As–Sb–Au mineralisation during Hercynian strike-slip deformation. Mineralium Deposita, 42 (4) 399-422 doi:10.1007/s00126-006-0120-4	Journal (article/letter/editorial)
	eaux quarry (Armorican Hercynian belt, western France), an epigenetic hydrothermal alteration affects...de Saint Amand, BP 6759, 45067 Orleans Cedex 2, France e-mail: e.gloaguen@brgm.fr P. Boulvais : J.-J....Rennes 1, 35042 Rennes Cedex, France Y. Moëlo Laboratoire de Chimie du Solide, Institut des Matériaux...la Houssinière, BP 32229, 44322 Nantes Cedex 3, France P.-J. Chiappero Département Histoire de la Terre...d’Histoire Naturelle, 61 rue Buffon, 75005 Paris, France Present address: E. Gloaguen BRGM, 3, avenue Claude-Guillemin
	*Roberts, Willard Lincoln, Campbell, Thomas J., Rapp, George Robert Jr. (1990) Encyclopedia of Minerals* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	(e.g., carbon as diamond and graphite, FeS, as pyrite and marcasite). polytype A type of polymorph due...County, Utah, associated with authigenic orthoclase, pyrite; quartz, dolomite, and analcime. SELECTED REFERENCE:...Greece. Other occurrences are found in Chile, Italy, France, Germany, Turkey, and Algeria. SELECTED REFERENCES:...gypsum, anhydrite, hexahydrite, loweite, quartz, and pyrite in the gypsum deposit of Schildmauer near Admont...‘‘gummite’’ at Margnac, in the Massif Central, France. SELECTED REFERENCE: Cesbron, F., et al., Min.

Pyrite from Bestrée, Pointe du Raz, Plogoff, Quimper, Finistère, Brittany, France

Pyrite from
Bestrée, Pointe du Raz, Plogoff, Quimper, Finistère, Brittany, France