Records of the Geological Survey of India, Volume 113, Parts 5-6Government of India, 1980 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 63
... pyroxene ( mostly hyper- sthene , occasionally both hypersthene and diopside ) around olivine is common . Magnetite is a common accessory and occurs as inclusions within plagioclase and pyroxene . Occasionally presence of fine needles ...
... pyroxene ( mostly hyper- sthene , occasionally both hypersthene and diopside ) around olivine is common . Magnetite is a common accessory and occurs as inclusions within plagioclase and pyroxene . Occasionally presence of fine needles ...
Page 64
... pyroxene gave rise to serpentine , chlorite , biotite and hornblende . hypersthene , The Reaction rim ( corona ) of hornblende ( rarely ) around olivine is noted . two - ply corona ( Fig . 8 ) is formed by rim of hyper- sthene and ...
... pyroxene gave rise to serpentine , chlorite , biotite and hornblende . hypersthene , The Reaction rim ( corona ) of hornblende ( rarely ) around olivine is noted . two - ply corona ( Fig . 8 ) is formed by rim of hyper- sthene and ...
Page 153
... pyroxene granulites in leptites , and are also intimately associated with the biotite gneisses . Migmatites are generally stromatic in the central part of the area but become progressively more nebulitic and homogeneous towards east ...
... pyroxene granulites in leptites , and are also intimately associated with the biotite gneisses . Migmatites are generally stromatic in the central part of the area but become progressively more nebulitic and homogeneous towards east ...
Contents
Geochemical distribution of Trace Elements Over the mineralised fault zone PAGE | 1 |
Geology of parts of Abujhmar area Narainpur Tehsil Bastar district Madhya | 24 |
Geological and Petrographic Studies of the Deccan Basalt Flows | 33 |
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Common terms and phrases
Abujhmar alluvium Ambadongar anorthosite associated augite basalt flows basin beds biotite block bore holes borehole breccia Buldana calcite Charnockite chert chlorite clay clinopyroxene Deccan Trap deposits depth district drainage drilled dykes erosional exhibit exposed fault felspar fluorite folds formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic glass gm/tonne gneisses grade grained granite granulites greisens grey groundmass Group Gundul hill indicated laterite lava layers limestone magnetite Maharashtra metasediments metres migmatite mineralisation minerals Narmada Valley NW-SE occurs olivine opaque phenocrysts phosphorite phyllite plagioclase Plate porphyritic present pyrite pyroclastic pyroxene quartz quartz veins quartzite Quaternary region Rhyolite river rocks samples sandstone schist seam sediments sequence shale slope spores stream stromatolites structure sub-surface sulphide surface Surv Survey of India Tapti thick thin trending tuff Unpublished GSI Report upto Vaghur varies volcanic width zone