Abstract

In the Las Anod district, southern Somaliland, quartz syenite is overlain by Nubian sandstone of Cretaceous age. Recent examination of evidence in the area indicates that the sandstone rests unconformably on the quartz syenite, which is probably of Archean age. The evidence consists of a weathered surface on the igneous rocks, the termination of dikes in the quartz syenite at the sedimentary boundary, and the incorporation of syenite pebbles and boulders in the base of the sandstone.

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