Records of the Geological Survey of India, Volume 112, Part 3government of India., 1982 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 59
... basin shows a remarkable development . The formation exhibits a gradual decrease in thickness towards centre of the basin while the shale ratio increases progressively away from the basin periphery , thus suggesting a centripetal ...
... basin shows a remarkable development . The formation exhibits a gradual decrease in thickness towards centre of the basin while the shale ratio increases progressively away from the basin periphery , thus suggesting a centripetal ...
Page 61
... basin margin while ash percentage increases in re- verse way . Sand - shale ratio The gross lithology of the formation shows dominance of sand towards the basin periphery while the shale fraction increases towards the centre of the ...
... basin margin while ash percentage increases in re- verse way . Sand - shale ratio The gross lithology of the formation shows dominance of sand towards the basin periphery while the shale fraction increases towards the centre of the ...
Page 62
... basin except near Rohne , Saheda and Barkagaon areas where the sections are characterised mainly by cha- nnel filled units ( Plate - 6 ) . Near Brinda , in the northwestern part of the basin . the lower part of the formation is charac ...
... basin except near Rohne , Saheda and Barkagaon areas where the sections are characterised mainly by cha- nnel filled units ( Plate - 6 ) . Near Brinda , in the northwestern part of the basin . the lower part of the formation is charac ...
Contents
OF | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern Gangpur Bonaigarh Region Sundargarh | 13 |
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Common terms and phrases
analysis andradite anomaly average axial plane Badampahar bands basaltic basin bauxite beds Bihar biotite calc-gneiss chalcopyrite channel chlorite cleavage Coalfield conglomerate deformation deposits Dhanbad district Dhanjori epidiorite district dolerite dykes eastern ENE-WSW epidiorite epidote F₁ facies fold fossils fractures Gangpur Gangpur Group garnet-rock Geol GEOLOGICAL SURVEY Geophysical gibbsite gneiss Godhur grains granite gneiss gravity Group-I Group-II rocks Group-III Hazaribagh Hazaribagh district hornblende host rock INDIA Records indicated kaolinite Karharbari Formation Keonjhar Khola Kusunda laterite lavas limb massive garnet metamorphic metavolcanic metres mica schists mineralisation minerals muscovite Nausahi North Karanpura occur Orissa pegmatite phyllite plagioclase Plate plunging quartz quartzite Rajgir Rangpo Region resistivity samples sandstone saprolite Sarkar scale schist schistose sedimentary sediments sequence sericite shales shear shows Singhbhum skarn southern stowed structures sulphide Surv SURVEY OF INDIA syncline synformal textural thickness traverse trend ultrabasic rock unstowed vein quartz volcanics