EL HALLAZGO DE OLDHAMIA SP. (TRAZA FÓSIL) Y SU VALOR COMO EVIDENCIA DE EDAD CÁMBRICA PARA EL SUPUESTO PRECÁMBRICO DEL BORDE OCCIDENTAL DEL ACONQUIJA, PROVINCIA DE CATAMARCA
AbstractIn this paper tbe discovery of Oldbamia trace fossil in slates of western Aconquija Range, is reported. The fossiliferous rocks were -considered of a Precambrian age by different authors. The presence of Oldhamia allows to establish a Cambrian age for the Suncho Forrnation.
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