【摘 要】
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Permian sedimentary and basic to intermediate volcanic rocks assigned to the Conglomerado del Río Blanco and Portezuelo del Cenizo Formation, lower part of
【机 构】
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CONICETandCatedradeCeologiaArgentina
【基金项目】
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AcknowledgmentsFinancial support to D. Gregori was provided by the Universidad Nacional del Sur and CONICET (project 21 H121 ) for the study of the Gondwanan magmatism of the Cordillera Frontal. We ar