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  • THE "EPIGENETIC-FOREIGN" CHARACTER OF THE PB - ZN (BA - F) METALLIFEROUS SEAMS IN THE DISTRICT AROUND THE SOUTH OF THE DINANT SYNCLINORIUM, BELGIUM

Abstract

Numerous vein mineralizations occur in the carbonate series of the Middle and Upper Devonian located in the Pb Zn (F-Ba) metalliferous district of the South border of the Dinant Synclinorium. A regional lithogeochemical study (major and trace elements) of the Givetian limestones reveal the low potential of heavy metals in these platform sediments. These results are confirmed by the distribution of 13 elements present in a vein mineralization and its close surrounding. Finally, the comparison of the isotopic composition of the lead in the galenas of the vein mineralization and the traces of lead in the host rocks add decisive important arguments. These results seem to be sufficient to reject the hypothesis of the origin of the metals by lateral secretion and are in favour of an epigenetic-foreign character for these mineralizations.

Additional information

Authors: PREAT S, LABORATOIRES ASSOCIES DE GEOLOGIE-PETROLOGIE, UNIVERSITE LIBRE DE BRUXELLES (BELGIUM);CAUSET S, LABORATOIRES ASSOCIES DE GEOLOGIE-PETROLOGIE, UNIVERSITE LIBRE DE BRUXELLES (BELGIUM);HERBOSCH A LABORATOIRES ASSOCIES DE GEOLOGIE-PETROLOGIE, UNIVERSITE LIBRE DE BRUXELLES (BELGIUM), LABORATOIRES ASSOCIES DE GEOLOGIE-PETROLOGIE, UNIVERSITE LIBRE DE BRUXELLES (BELGIUM)
Bibliographic Reference: EUR 8617 EN-FR (1984) FS - REPRINTED FROM MINERALIUM DEPOSITA, SPRINGER-VERLAG PP. 349-363, BFR 400 , EUROFFICE, LUXEMBOURG, POB 1003
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