The Quarterly Journal of the Geological Society of London, Volumen 93

abundant appear associated bands base beds biotite calcareous Carboniferous Clay closely Coal colliery completely conglomerate considerable consist contain continuous correlation deposits described Devonian direction district disturbed dolomite east eastern evidence exposed exposures farther fault feet folding formation fossils Geol Geological grains granite green grey Grits Hill horizon Hythe Beds indicate intrusion Karroo known later less limestone localities Lower Luangwa marine mass Measures Middle miles movements mudstones normal northern numerous occur original outcrop places Pleistocene possible present probably quarry quartz quartzite recorded referred region represented rest ridge road rocks sands sandstones schists Seam sediments seen sericite shales shown shows side similar southern specimens strike structure succession suggested surface syncline thickness thin traced upper usually Valley western yards zone