Abstract

A summary of the unfossiliferous rocks and proposed nomenclature: 1, The name basement system is limited to the crystalline limestones, schists, gneisses, and granulites, previously termed lower basement complex; 2, Nyazian system replaces the name upper division of the basement complex; 3, Kavirondian system is to include rocks previously correlated with the Muva-Ankolean.

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