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OF THE GEOLOGICAL SURVEY OF INDIA
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alignment alluvium appears Assistant associated average bands bank 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 flows formations fossils further Garhwal geol geological Geologist gneisses Gondwana granite grey ground water half hard hill inches included India indicate industry jointed lignite limestone localities located Lower M.Sc Madhya mapped material metall miles mineral mining occur pegmatites pits places Pleistocene portion present Project proposed quarry quartz quartzites range recorded region reports reserves ridges river road rocks samples sand sandstones schists seen shales sheet slope soil square miles stage strike suitable surface Survey thick tion tons trap tube-wells types Upper valley varies veins village yield zone