Records of the Geological Survey of India, Volume 112, Parts 1-2The Survey, 1983 - Earthquakes |
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Page 22
... grains in between the grain boundaries of the oli- vine or pyroxene grains . The texture . of the ncdule in this case is forphyroclastic , with large porphyrcclasts of olivine and aluminous orthopyroxene . Small droplets of spinel ...
... grains in between the grain boundaries of the oli- vine or pyroxene grains . The texture . of the ncdule in this case is forphyroclastic , with large porphyrcclasts of olivine and aluminous orthopyroxene . Small droplets of spinel ...
Page 69
... grains show exsolved opaques aligned parallel to the length of the grains . The opaques are mostly picotite and chro- mite and rarely magnetite . In some rocks picotite and chromite occur as long string like elongated grains , the grain ...
... grains show exsolved opaques aligned parallel to the length of the grains . The opaques are mostly picotite and chro- mite and rarely magnetite . In some rocks picotite and chromite occur as long string like elongated grains , the grain ...
Page 79
... grains of sassuritised plagioclase show clear unaltered rim along which minute felts of sericite are arranged perpendicular to the grain boundary . Quartz occurs as interstitial grains in diorite and monzodiorite and as large equant grains ...
... grains of sassuritised plagioclase show clear unaltered rim along which minute felts of sericite are arranged perpendicular to the grain boundary . Quartz occurs as interstitial grains in diorite and monzodiorite and as large equant grains ...
Contents
RECORDS VOLUME 112 PART | 2 |
CENTRAL HEADQUARTERS | 4 |
OFF SHORE MINERAL EXPLORATION AND MARINE GEOLOGY DIVISION | 18 |
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analysed Andhra Pradesh Asstt bands basalt basin bauxite belt block boreholes Calcutta carried Chakraborty chert Circle coal Coalfield collected cores Cretaceous Delhi deposits depth dipping Director Disang District Division drill holes earth dam Eocene exploration fault folds Formation fossils geochemical geological investigation geological mapping Geologist Jr geophysical Geophysicist geotechnical Ghosh gneiss Gondwana grains granite gneiss Group Gupta Hills Himalaya indicated Jaipur Jammu Jungel Karnataka Kumar Laboratory laterite limestone located logged Lucknow MADHYA PRADESH Meeting metamorphic Mineral mineralisation Murthy Naga Nagaland nala occur olivine ophiolite pegmatite phyllite plagioclase power house Project quartz quartzite Rajasthan Region river rock types S/Shri samples sandstone Sarvashri scale schist seams Sector sediments sequence shale Sharma shear zone Shri Singh Sinha spillway sq km Srivastava stratigraphic strike length studies suggested Survey of India tectonic thickness tion tonnes traverse trending tunnel Udaipur district ultramafic Upper upto valley Vindhyan volcanics