Records of the Geological Survey of India, Volume 88

alignment alluvium appears Assistant associated average bands bank beds Bihar carried cent Circle clay coal consist contain continued covered deposits depth detailed direction district Division dolerite drilling dykes east eastern examined exposed extending fault feet field folded formations fossils further Garhwal geol geological Geologist gneisses Gondwana granite grey ground water half hard hill inches included India indicate industry intrusive jointed laterite lignite limestone localities located Lower M.Sc Madhya mapped material metall mica mineral mining occur pegmatites phyllites pits places portion present quarries quartz quartzites range recorded region reports reserves ridges river road rocks samples sand sandstones schists seam seen shales sheet slope soil square miles stage strike surface Survey thick tion tons trap trend types Upper valley varying veins village western yield zone