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 28
... grained , impersistently banded and fragile to compact . Shale is purple coloured , well laminated and indurated in nature with small pockets of iron ore at places . In thin section , the sandstone is medium grained , equigranular and ...
... grained , impersistently banded and fragile to compact . Shale is purple coloured , well laminated and indurated in nature with small pockets of iron ore at places . In thin section , the sandstone is medium grained , equigranular and ...
Page 34
... grained basalt and finally black medium grained basalt . In the western ridge ( Malabar Hill ) this phase is succeeded by 15 m to 20 m thick yellow brown tuff . The youngest rocks exposed on the island are hyalopilitic basalts which ...
... grained basalt and finally black medium grained basalt . In the western ridge ( Malabar Hill ) this phase is succeeded by 15 m to 20 m thick yellow brown tuff . The youngest rocks exposed on the island are hyalopilitic basalts which ...
Page 40
... grained tuffaceous or dusty ash - like matrix , which exhibits different shades of colour varying from grey to purplish grey , greyish brown to reddish brown , buff yellow to yellowish brown etc. ( fig - 15 ) . The fragments and block ...
... grained tuffaceous or dusty ash - like matrix , which exhibits different shades of colour varying from grey to purplish grey , greyish brown to reddish brown , buff yellow to yellowish brown etc. ( fig - 15 ) . The fragments and block ...
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