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 39
... Pyroclastics : Thick zones of pyroclastic material occur interbedded with the lava flows . Presence of three pyroclastic beds is interpreted from the bore hole data . Megascopically it is often difficult to conclusively decipher the ...
... Pyroclastics : Thick zones of pyroclastic material occur interbedded with the lava flows . Presence of three pyroclastic beds is interpreted from the bore hole data . Megascopically it is often difficult to conclusively decipher the ...
Page 50
... pyroclastic zones and basalt flows , the third flow from the base being overlain by pyroclastic bed . The lava flows exhibit westerly dip 1 ° in the region of Elephanta , Nhava and Sheva Islands which steepen to 5 ° towards west in the ...
... pyroclastic zones and basalt flows , the third flow from the base being overlain by pyroclastic bed . The lava flows exhibit westerly dip 1 ° in the region of Elephanta , Nhava and Sheva Islands which steepen to 5 ° towards west in the ...
Page 51
... pyroclastic or ash flows . These pyroclastic beds are also different in megascopic and microscopic characters from those described as hyaloclastites by Sukheswala 1958 from Sewri , Cottongreen , Bhoiwala and Worli hills in Bombay ...
... pyroclastic or ash flows . These pyroclastic beds are also different in megascopic and microscopic characters from those described as hyaloclastites by Sukheswala 1958 from Sewri , Cottongreen , Bhoiwala and Worli hills in Bombay ...
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