Records of the Geological Survey of India, Volume 113, Part 6The Survey, 1984 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 42
... upper vesicular zones . Groundmass The groundmass exhibits sub - ophitic , intergranular and intersertal textures which grade into hyalopilitic texture in the upper glassy vesicular portions of flows . In some samples angular to ...
... upper vesicular zones . Groundmass The groundmass exhibits sub - ophitic , intergranular and intersertal textures which grade into hyalopilitic texture in the upper glassy vesicular portions of flows . In some samples angular to ...
Page 64
... upper flow , Vugs and geods of silica present . Red Boie Bed Dense , dark grey , fine grained , sparsely porphyritic basalt with small vesicles filled with zeolites and silica . Exhibits crude three tiered arrangement of columnar joints ...
... upper flow , Vugs and geods of silica present . Red Boie Bed Dense , dark grey , fine grained , sparsely porphyritic basalt with small vesicles filled with zeolites and silica . Exhibits crude three tiered arrangement of columnar joints ...
Page 160
... Upper pink concretionary clay Disconformable break- Upper gravel and sand Lower red concretionary clay Basal conglomerate Laterite Up . Pleistocene Mid . Pleistocene Lr . Pleistocene Biswas & Dassarma ( 1981 ) , instead of two- fold ...
... Upper pink concretionary clay Disconformable break- Upper gravel and sand Lower red concretionary clay Basal conglomerate Laterite Up . Pleistocene Mid . Pleistocene Lr . Pleistocene Biswas & Dassarma ( 1981 ) , instead of two- fold ...
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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Abujhmar alluvium assemblages augite basalt flows basin Bastar biotite block Bombay Island bore holes brown Buldana calcite charnockites chert cherty phosphorite chlorite clay clayey clinopyroxene conglomerate crystals Deccan Trap deposits dips district drainage erosional exhibit felspar formation fossil fragments Geol geomorphic glass gneisses grained Granite Gneiss Granulite Complex granulites greisens grey groundmass Group Gundul indicated Jhabua Kuhi laterite lava leptynites limestone Madhya Pradesh Maharashtra Maspur metasediments migmatite minerals Narmada Valley NW-SE occur olivine opaque oxides palagonite pebbles phenocrysts phosphatic phosphorite pigeonite plagioclase Plate porphyritic present pyroclastic pyroxene quartz quartzite Quaternary region river rock samples sand sandstone scarp schist seam sedimentary sediments sequence shale silt siltstone slope stream length stromatolites sub-surface surface Surv Survey of India Tapti tectonic terraces thick thin tourmaline trending tuff tungsten mineralisation Unconformity unit upto Vaghur varies vesicles vesicular volcanic wolframite zeolites