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 3
... veins and zoned Strin- crystals in pink gneiss and quartz veins . gers and veins occur in felspathised calcgneiss exposed south of Kotri . The fluorite is colour- zoned with violet , green , yellowish green and white ( colourless ) ...
... veins and zoned Strin- crystals in pink gneiss and quartz veins . gers and veins occur in felspathised calcgneiss exposed south of Kotri . The fluorite is colour- zoned with violet , green , yellowish green and white ( colourless ) ...
Page 35
... Veins Two generations of quartz veins are expo- sed in the area . The first generation veins have cross cutting relation with the second generation quartz veins . The earlier generation veins are barren and the later generation veins ...
... Veins Two generations of quartz veins are expo- sed in the area . The first generation veins have cross cutting relation with the second generation quartz veins . The earlier generation veins are barren and the later generation veins ...
Page 36
... veins from the outcrops , both laterally and vertically . The evidences of ancient mining activity consist of partially filled up trenches , shafts and pits marked by growth of vegetation over them , underground stopes , extensive soil ...
... veins from the outcrops , both laterally and vertically . The evidences of ancient mining activity consist of partially filled up trenches , shafts and pits marked by growth of vegetation over them , underground stopes , extensive soil ...
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