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 52
... Pigeonite ranges from 7 % to 42 % in the groundmass of different flows . Incidence of pigeonite , is inversely proportional to the degree of porphyricity , and is much higher in flows with fine grained groundmass indicating that it is a ...
... Pigeonite ranges from 7 % to 42 % in the groundmass of different flows . Incidence of pigeonite , is inversely proportional to the degree of porphyricity , and is much higher in flows with fine grained groundmass indicating that it is a ...
Page 56
... PIGEONITE PERCENT Rec . Geol . Sur ind Vol 1 : 3. Rec . Goo ' Sur ind Vol 13 , OLA ' SON FLOW TOP BU - 8 BU - 7 BU - 6 . BU - 5 BU - 4 BU - 3 BU - 2 BU - I FIG - 2 PIGEONITE CONTENT PHENOCRYSTS CONTENT 24 while the plagioclase ...
... PIGEONITE PERCENT Rec . Geol . Sur ind Vol 1 : 3. Rec . Goo ' Sur ind Vol 13 , OLA ' SON FLOW TOP BU - 8 BU - 7 BU - 6 . BU - 5 BU - 4 BU - 3 BU - 2 BU - I FIG - 2 PIGEONITE CONTENT PHENOCRYSTS CONTENT 24 while the plagioclase ...
Page 60
... pigeonite is present in varying proportions in all the flows . The proportion of pigeonite not only varies from flow to flow but also shows variation within the parts of the same flow . Estimation of 2 V by observing the character of ...
... pigeonite is present in varying proportions in all the flows . The proportion of pigeonite not only varies from flow to flow but also shows variation within the parts of the same flow . Estimation of 2 V by observing the character of ...
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