Records of the Geological Survey of India, Volume 112, Part 2

analyses assemblage associated bands basalts base basin bearing beds belt Burma Central chert chromite coal collected colour composition conglomerate considered contain correlation Cretaceous cumulates deposits developed dipping Disang district east Eastern Eocene fault field folds follows Formation fossils Geol Geological Geological Survey Gondwana grains Group Himalaya India indicate Jungel known limestone localities lower magnetite major Manipur mapping margins matrix metamorphic mineral minor Naga Hills Nagaland nature nodules Nummulites observed occur oceanic olivine ophiolite original outcrops Photo places plagioclase plane plate plots position present probably quartz quartzite ranges recorded region reported represented rocks samples sandstone sedimentary sediments sequence Series shale similar spinels stratigraphic stream structures studies suggest Survey of India Suture tectonic Tertiary texture thickness thrust tion trend typical ultramafic upper varies various volcanics zone