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 5
... Dykes 6. Gangpur Group 5. Koira Group Lithology of Formation Localities Tamparkala Granite and other Granites Metamorphosed basic igneous rocks , amphibolite - epidiorite , chlorite schist ( mainly observed as dykes and sills in Laigar ...
... Dykes 6. Gangpur Group 5. Koira Group Lithology of Formation Localities Tamparkala Granite and other Granites Metamorphosed basic igneous rocks , amphibolite - epidiorite , chlorite schist ( mainly observed as dykes and sills in Laigar ...
Page 76
... dyke , the plagioclase shows corroded and irregular grain boundaries and wavy extinction . The pyroxene is augite with 30 ... dykes have produced very little effect on the host 76 GEOLOGICAL SURVEY OF INDIA , RECORDS , VOLUME 112 PART 3 65.
... dyke , the plagioclase shows corroded and irregular grain boundaries and wavy extinction . The pyroxene is augite with 30 ... dykes have produced very little effect on the host 76 GEOLOGICAL SURVEY OF INDIA , RECORDS , VOLUME 112 PART 3 65.
Page 77
... dykes have intruded . Chemical composition suggests that the dolerite is derived from plateau basalts of tholeiite type . Geographically these dykes are not very far away from the extensive Rajmahal traps situated north of the dykes ...
... dykes have intruded . Chemical composition suggests that the dolerite is derived from plateau basalts of tholeiite type . Geographically these dykes are not very far away from the extensive Rajmahal traps situated north of the dykes ...
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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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