Peyrebrune (Zn, F) lode-deposit (SW Massif Central, France): geochemical characterization of fluids during the Mesozoic at the eastern border of the Aquitain basin

Munoz, M., Boyce, A. , Courjault-Rade, P., Fallick, A. and Tollon, F. (1997) Peyrebrune (Zn, F) lode-deposit (SW Massif Central, France): geochemical characterization of fluids during the Mesozoic at the eastern border of the Aquitain basin. Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science, 324(11), pp. 899-906. (doi:10.1016/S1251-8050(97)82503-7)

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Abstract

Fluid inclusion and stable isotope data on the Palaeozoic basement-hosted Peyrebrune (Zn, F) Iodedeposit (Albigeois region), indicate that mineralization originated from circulation of basinal-derived brines during distinct successive Mesozoïc extensional events. These new data, set in a regional context, suggest the occurrence of two distinct evaporite-bearing sedimentary basins, now concealed by the Tertiary cover: to the south, an organic matter-rich basin leading to economic Zn-sulfide deposition, and to the north an organic matter-free basin, leading to a small Cu-sulfide deposition. During the fluorite episode, the two basins differentiate by the development of the E-W fracturation: minor in the southern basin, major in the northern one.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Boyce, Professor Adrian and Fallick, Professor Anthony
Authors: Munoz, M., Boyce, A., Courjault-Rade, P., Fallick, A., and Tollon, F.
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre
Journal Name:Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science
Publisher:Elsevier Masson
ISSN:1251-8050
ISSN (Online):1778-7025

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