Records of the Geological Survey of India, Volume 92, Part 2

alluvium aquifers Athgarh Bailadila banded hematite-quartzite barytes basin beds belt Bihar blue dust boreholes clay coal seams colour conglomerates Cuddapah curves Cythereis deposits depth Discorbis downwarping drilling electrical logging electrode Eocene feet felspar ferruginous band foraminifera formation water fossil G.S.I. Type Geol Geological Survey Geologist Gondwana groundwater hematite indicate Inter-trappean iron-ore Jones laminated lateritic Latham lenses lignite lignite body limestones Madhya Pradesh Madras magnetite mainly manganese manganese-ores massive miles mineral negative epeirogeny Neyveli Neyveli Lignite Field occur Ongur Orissa ostracoda Plate present psilomelane Punjab quartz grains quartzites Ratanpur recorded region river rock types sand sandstones sediments seen shales silica sills Singhbhum-Keonjhar-Bonai South Arcot South Arcot district South Karanpura coalfield species specimens steatite structure surface Surv Survey of India synclines Tertiary thickness tion Tomka total dissolved solids Upper Gondwana Vempalle West Bengal zone