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 33
... volcanic ash . They are largely of igneous origin representing air - fall deposits . The volcanoclastic sandstone and siltstone were deposited in shallow basins of limited extent , marking a pause in the explosive volcanic activity ...
... volcanic ash . They are largely of igneous origin representing air - fall deposits . The volcanoclastic sandstone and siltstone were deposited in shallow basins of limited extent , marking a pause in the explosive volcanic activity ...
Page 39
... volcanic explosions and are deposited in either air or water . Volcanic ejecta also spreads out as pyroclastic flows . In this process it is important to note that they share in the charact- eristics , structure and associations of the ...
... volcanic explosions and are deposited in either air or water . Volcanic ejecta also spreads out as pyroclastic flows . In this process it is important to note that they share in the charact- eristics , structure and associations of the ...
Page 51
... Volcanic Province the pyroclastics occur on a very minor scale in restricted areas and constitute a negligible proportion of the total volcanic pile . However , in Bombay Island and in the areas to the north and northwest of it , the ...
... Volcanic Province the pyroclastics occur on a very minor scale in restricted areas and constitute a negligible proportion of the total volcanic pile . However , in Bombay Island and in the areas to the north and northwest of it , the ...
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 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