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 73
... garnet particularly in the light co- loured bands . Hornblende is highly pleochroic from brownish to dark green ZAG ... Massive garnet - rock The hornblende - diopside gneiss and the calc- gneiss are locally associated with hedenbergite ...
... garnet particularly in the light co- loured bands . Hornblende is highly pleochroic from brownish to dark green ZAG ... Massive garnet - rock The hornblende - diopside gneiss and the calc- gneiss are locally associated with hedenbergite ...
Page 73
... garnet ( Table - 1 ) has a high refractive index ( n - 1 . 860 0.002 ) , and large unit cell edge ( a = 11.93 A ° ) . From these values of unit cell dimension and the refractive index , the end member composition is determined by using ...
... garnet ( Table - 1 ) has a high refractive index ( n - 1 . 860 0.002 ) , and large unit cell edge ( a = 11.93 A ° ) . From these values of unit cell dimension and the refractive index , the end member composition is determined by using ...
Page 73
... massive garnet 6. Manatu 14. and the 2 AlO3 , higher ( Fe2O3 + FeO ) and MnO , lack in K2O , Na , O , and CO ... massive garnet pockets and bands . within the skarn possibly represent the totally re- constituted portions of the calc ...
... massive garnet 6. Manatu 14. and the 2 AlO3 , higher ( Fe2O3 + FeO ) and MnO , lack in K2O , Na , O , and CO ... massive garnet pockets and bands . within the skarn possibly represent the totally re- constituted portions of the calc ...
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