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 34
... sericite set in a fine grained matrix . In the borehole sections , euhedral crystals of pyrite and arsenopyrite are also seen . Sericite - chlorite phyllite / schist This rock occupies the hill slopes and valleys and intervening ...
... sericite set in a fine grained matrix . In the borehole sections , euhedral crystals of pyrite and arsenopyrite are also seen . Sericite - chlorite phyllite / schist This rock occupies the hill slopes and valleys and intervening ...
Page 127
... sericite schist and actinolite - tremolite schist . The colour of different units varies from dull white to green to dark grey . Under microscope the rock reveals presence of chlorite , muscovite and felspar altered to kaoline . Quartz ...
... sericite schist and actinolite - tremolite schist . The colour of different units varies from dull white to green to dark grey . Under microscope the rock reveals presence of chlorite , muscovite and felspar altered to kaoline . Quartz ...
Page 143
... sericite schist and chlorite - muscovite schist with occasional porphyroblasts of garnet , chloritoid , kyanite and magnetite . Extensive granitic activity have transformed schistose rocks to gneisses end migmatites . Intense gaseous ...
... sericite schist and chlorite - muscovite schist with occasional porphyroblasts of garnet , chloritoid , kyanite and magnetite . Extensive granitic activity have transformed schistose rocks to gneisses end migmatites . Intense gaseous ...
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