Records of the Geological Survey of India, Volume 86, Parts 2-4Geological Survey of India, 1955 - Earthquakes |
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Page 463
... samples magnesia lies between 2.0 and 2.5 per cent . , while in three other samples it exceeds 2.50 per cent . ( with 25 per cent . increase ) . The Madhaman Kalan marl contains excess silica and sesquioxides . ( b ) Unao district - 9 ...
... samples magnesia lies between 2.0 and 2.5 per cent . , while in three other samples it exceeds 2.50 per cent . ( with 25 per cent . increase ) . The Madhaman Kalan marl contains excess silica and sesquioxides . ( b ) Unao district - 9 ...
Page 551
... samples , there is sufficient indi- cation in the samples K / 40 956 and 958 to suggest a Ranikot ( Palaeocene ) 11 slides from samples bearing G.S.I. Reg . Nos . K / 40 953-958 were examined . The localities of these samples are as ...
... samples , there is sufficient indi- cation in the samples K / 40 956 and 958 to suggest a Ranikot ( Palaeocene ) 11 slides from samples bearing G.S.I. Reg . Nos . K / 40 953-958 were examined . The localities of these samples are as ...
Page 564
... samples of these same dikes and find the primary unoxidized mineral is a titaniferous magnetite very rich in ilmenite ( 56 per cent . ) microintergrowth . Rock with this ilmeno- magnetite only and no maghemite however also has reverse ...
... samples of these same dikes and find the primary unoxidized mineral is a titaniferous magnetite very rich in ilmenite ( 56 per cent . ) microintergrowth . Rock with this ilmeno- magnetite only and no maghemite however also has reverse ...
Contents
OF | 310 |
MINERALS PRODUCED IN THE INDIAN UNION | 316 |
INTRODUCTION | 433 |
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Common terms and phrases
actinolite Adirondack Ajmer-Merwara alumina Amjor anorthosite anorthositic rocks artesian Australia Barakars Basin beds Bihar Bijaigarh shale Bijawar biotite-schists BORE HOLE boulders calcite cent chemical chloritoid chromite coal streaks coalfield composition Conglomerate crystals Dalipnagar deposits depth district dolomite emerald exported faulting feet felspar fire clay flow formation Geol Geological Survey glaciation gneisses Gondwana gypsum ice cap ilmenite India iron Kaliguman kyanite lavas limestone Madhya Pradesh Madras magma magnetic mineral magnetite marl meteorite mica miles mines Mysore nala occurs outcrop output paleomagnetic pegmatites peridotite Permian plagioclase present production pyrite quantity quartz quartzites Rajasthan Rampur Rampur seam remanent magnetism reverse remanent magnetism samples sandstone schists sediments Series shale Shale with coal Shaly Shaly coal Shaly sandstone Singhbhum Sittampundi Complex Survey of India TABLE temperature thickness tillite tion titaniferous magnetite tons valued Triassic unconformity Upper Kaimur sandstone veins Vindhyan