Lexicon of Geological Terms for the Sudan

Nuba Mountains Alkali Granite Basement gneisses Blue Nile Province Biotite Granite Early Devonian Early Proterozoic Late Precambrian Middle Cretaceous Metasedimentary Group Middle Palaeozoic Muglad Basin Igneous Complex Quartz Syenite Rb Sr Isochron Age Red Sea Hills Red Sea Province Kassala Province Late Proterozoic Younger Granite Nile Province Volcano Sedimentary Sequences Type Locality Volcanic Group Stratigraphic Position