Records of the Geological Survey of India, Volume 113, Parts 2-4Government of India, 1983 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 71
... BASALTS AND COMAGMATIC ROCKS : A REVIEW by N. C. GHOSE Department of Geology , Patna University 1 ABSTRACT The piecemeal trace element data of the Deccan basalts and associated plutonic aud hypabyssal rocks have been synthesised in the ...
... BASALTS AND COMAGMATIC ROCKS : A REVIEW by N. C. GHOSE Department of Geology , Patna University 1 ABSTRACT The piecemeal trace element data of the Deccan basalts and associated plutonic aud hypabyssal rocks have been synthesised in the ...
Page 73
... basalts ( Wedephol , 1975 ) . As compar- ed to other plateau basalts of the world , the Deccan basalts are in general deficient in magnesia and alumina but enriched in iron and titania . The average composi- tion of Deccan basalts is ...
... basalts ( Wedephol , 1975 ) . As compar- ed to other plateau basalts of the world , the Deccan basalts are in general deficient in magnesia and alumina but enriched in iron and titania . The average composi- tion of Deccan basalts is ...
Page 74
... basalts and alkali olivine basalts . Uranium content increases from 0.34 ppm , 0.48 ppm , 0.55 ppm and 0.61 ppm in the tholeiite , olivine tholeiite , olivine basalt and alkali olivine basalt respectively respectively ( Kanegaonkar and ...
... basalts and alkali olivine basalts . Uranium content increases from 0.34 ppm , 0.48 ppm , 0.55 ppm and 0.61 ppm in the tholeiite , olivine tholeiite , olivine basalt and alkali olivine basalt respectively respectively ( Kanegaonkar and ...
Contents
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
On the Fossiliferous Ordovician Rocks of Black Mountain | 35 |
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alkali anomaly apatite Arunachal assemblage associated axial bands Beldih belt Bhutan Bihar biotite bore holes borehole Carbonaceous carbonatite Chaibasa chert chlorite chlorite schist chromite coal seam Coarse sandstone complex contours correlation Dalma Deccan basalts deformation deposits depth developed Dhanjori district Dubrajpur Dubrajpur Formation Eastern exploration F₁ fault feldspars folds foliation fossils geochemical Geol Geological Survey Ghosh gneiss Gondwana grade grains granite gneiss grey Group Hills Himalaya host rock ijolite limestone lineation magnetite Manipur Medium sandstone metamorphism metres migmatites mineralisation minerals muscovite nepheline Northern Shear Zone occur olivine ophiolite phyllites plagioclase Plate plunging Pradesh Precambrian pyrite quartz quartzite regional rock types S₁ S₂ samples sandstone Sarkar schist schistosity sector sedimentary sequence sericite serpentinite shale sillimanite Singhbhum stratigraphic structural studies sulphide Surv Survey of India tectonic texture thickness tholeiites tion trending ultramafic upto veins volcanic