Records of the Geological Survey of India, Volume 123, Part 6
Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals.
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Geothermal Investigations 198201
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Alluvium associated bands basalt flows base basic basin block borehole carried Central channel characters clay coarse Code compound comprising consists construction covered Deccan Trap delineated deposits depth dips direction DISTRICT OF MADHYA dolomite drilling dykes exposed fault field Formation geological mapping Geologist Geologist Jr Geology Division geophysical gneiss Gondwana grade grained granite grey Group highly holes horizon indicate intrusive joints lava length limestone located lower Madhya Pradesh MAHARASHTRA mainly major medium mineral mineralisation moderately Nagpur NANDED DISTRICT nature noticed occur pahoehoe pegmatites phenocrysts places porphyritic presence proposed purple quartz quartzite Raipur ranging Regional reservoir river rocks samples sandstone scale schist sediments seen sequence shale simple soil sparsely sq km structure studies suggested surface surveys systematic taken thick thin toposheet trending units Upper upto values varies veins Vindhyan zone