Records of the Geological Survey of India, Volume 124, Part 6The Survey, 1991 - 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 21
... ranges from grey , greyish , black , greyish green to green in colour and is fine to medium grained and porphyritic to ... range of micro and mega - gastropod forms , excellently preserved wood - fossil and a number of poorly - preserved ...
... ranges from grey , greyish , black , greyish green to green in colour and is fine to medium grained and porphyritic to ... range of micro and mega - gastropod forms , excellently preserved wood - fossil and a number of poorly - preserved ...
Page 183
... range for continental tholeiites . The chondrite normalised REE pattern ( Plate - 66 ) indicates nega- tive Eu anomaly suggesting dominant role of plagioclase fractionation in the evolution of magma . Flow No. 1 shows a conspicuous Ce ...
... range for continental tholeiites . The chondrite normalised REE pattern ( Plate - 66 ) indicates nega- tive Eu anomaly suggesting dominant role of plagioclase fractionation in the evolution of magma . Flow No. 1 shows a conspicuous Ce ...
Page 185
... Range of Oxides ( Dry Basis ) Northern Section Average ( Dry Basis ) Range of Oxides ( Dry Basis ) Average ( Dry Basis ) SiO2 48.12 -52.18 49.79 Al2O3 11.86 -- 14.66 12.85 48.24 11.98 - 53.25 49.38 - 14.75 12.21 TiO2 1.49 - 3.50 2.67 ...
... Range of Oxides ( Dry Basis ) Northern Section Average ( Dry Basis ) Range of Oxides ( Dry Basis ) Average ( Dry Basis ) SiO2 48.12 -52.18 49.79 Al2O3 11.86 -- 14.66 12.85 48.24 11.98 - 53.25 49.38 - 14.75 12.21 TiO2 1.49 - 3.50 2.67 ...
Contents
GEOLOGICAL MAPPING 1 to 106 | 13 |
MINERAL INVESTIGATIONS 107 to 154 | 113 |
GEOTECHNICAL INVESTIGATIONS 155 to | 169 |
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aa flows Alluvium bands basalt flows basemetal basin Bastar district Bhander block borehole chert clay compound pahoehoe flows comprises Deccan Trap Denwa deposits depth drilling dykes Economic Geology Division ENE-WSW exposed faults felspar field season flow groups fossils fragmentary top geochemical Geologist Jr geophysical gneiss Gondwana gradient holes indicate intrusive Jabalpur joints Lameta laterite lava pile limestone lineament Madhya Pradesh MADHYA PRADESH Code MAHARASHTRA MAHARASHTRA Code massive medium grained metabasic mineralisation minerals moderately porphyritic Nagpur Narmada non-porphyritic occur pahoehoe Parsora pegmatites phenocrysts phyllite plagioclase porphyritic Precambrian Project pyrite quartz quartz reefs quartz veins quartzite red bole Regional Geology Division Rewa river rock Sakoli samples sandstone Sausar scale scheelite schist sediments sequence shale shear zone sparsely porphyritic sq km stratigraphic structure studies Supergroup Systematic geological mapping thick Tiki tion toposheet trending Unconformity Upper upto vesicular Vindhyan Supergroup volcanic Yavatmal YAVATMAL DISTRICTS