Records of the Geological Survey of India, Volume 112, Part 3government of India., 1977 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 16
... grade of metamorphism is Greenschist facies ' in the basal part ( upto latitude 22 ° 05 ′ ) , as indicated by the presence of low metamor- phosed rocks like slates and phyllites , containing chlorite and sericite minerals . North of ...
... grade of metamorphism is Greenschist facies ' in the basal part ( upto latitude 22 ° 05 ′ ) , as indicated by the presence of low metamor- phosed rocks like slates and phyllites , containing chlorite and sericite minerals . North of ...
Page 27
... grade regional meta- morphism . The quartzite does not show any change in mineral composition , even in the arkose to sub- arkose varieties , nor does it show much of preferred orientation of the constituent minerals The effect of ...
... grade regional meta- morphism . The quartzite does not show any change in mineral composition , even in the arkose to sub- arkose varieties , nor does it show much of preferred orientation of the constituent minerals The effect of ...
Page 47
... grade chromite , and granite ; electrical depth probe data at station $ 25 brings out two layers comprising granite overlain by alluvium . Three layers between electrical depth probes at stations $ 79 and S100 are alluvium , un ...
... grade chromite , and granite ; electrical depth probe data at station $ 25 brings out two layers comprising granite overlain by alluvium . Three layers between electrical depth probes at stations $ 79 and S100 are alluvium , un ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern GangpurBonaigarh Region Sundargarh | 13 |
Copyright | |
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analysis andradite anomaly average axial plane Badampahar bands basin bauxite bedding Bihar biotite calc-gneiss chalcopyrite channel chlorite cleavage Colliery conglomerate Dalma deformation deposits Dhanjori epidiorite district dolerite dolerite dykes eastern epidiorite epidote F₁ facies fold fossils fractures fuchsite galena Gangpur Gangpur Group Geol Geological Survey geophysical Ghatsila gibbsite gneiss grains granite gneiss gravity Group-II rocks Hazaribagh hornblende indicate kaolinite Karharbari Formation Keonjhar Khola Kusunda laterite lavas limb lineation massive garnet metamorphic metasedimentary belt metres mica schists mineralisation minerals muscovite Nausahi Nayadih Kusunda occur Orissa pegmatite phyllite plagioclase Plate plunging quartz quartzite Raghunathpali Rajgir Rangpo Records regional resistivity samples sand sandstone saprolite Sarkar scale schist schistose sedimentary sediments sequence sericite shales shear shows Simlipal Singhbhum skarn stowed stress structures sulphide Sundargarh District Surv Survey of India syncline synformal textural thickness TRAV traverse trend ultrabasic rock unstowed volcanics Volume