Abstract
On the limits of the Pernambuco and Paraiba States, Brazil, occurs a quartz syenitic body with an outcrop area of about 400 km². At its East side lies a probably relative granite and both are apparently intruded in schists of the Cachoeirinha and Uaua Groups. The area, localized in the Caririan transversal Zone wich is situated between the large Pernambuco and Patos lineaments, was cut by several secondary transcurrent faults and associated shear and tension fractures. The author supposes that the massif belongs to an assemblage of similar rock types intruded in and on the proximities of the transversal zone.
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