Records of the Geological Survey of India, Volume 117, Parts 3-8government of India., 1988 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 32
... quartz veins and tourmaline - quartz - mica greisens . To a lesser extent it also occurs in greisenised and tourmalinised schists . Mineralisation is manifested by sparse and sporadic disseminations and stringers of scheelite and wol ...
... quartz veins and tourmaline - quartz - mica greisens . To a lesser extent it also occurs in greisenised and tourmalinised schists . Mineralisation is manifested by sparse and sporadic disseminations and stringers of scheelite and wol ...
Page 63
... quartz wacke overlying this conglomerate is chocolate brown in colour consist- ing of well sorted angular quartz grains 0.3 to 0.5 mm in size within amorphous ferruginous matrix . Clast to matrix ratio is 70:30 . Tourmaline is the ...
... quartz wacke overlying this conglomerate is chocolate brown in colour consist- ing of well sorted angular quartz grains 0.3 to 0.5 mm in size within amorphous ferruginous matrix . Clast to matrix ratio is 70:30 . Tourmaline is the ...
Page 90
... quartz pebbles ranging in diameter from 2 mm to 3 mm , the average size of the grains is less than 1.5 mm . The feeble grain orientation seen in the hand specimens is better seen in thin sections . Generally , the elongated quartz ...
... quartz pebbles ranging in diameter from 2 mm to 3 mm , the average size of the grains is less than 1.5 mm . The feeble grain orientation seen in the hand specimens is better seen in thin sections . Generally , the elongated quartz ...
Contents
Stratigraphy Structure and Metamorphic History of Bastar Craton | 1 |
Tungsten Mineralisation in Khobna area Nagpur District Maharashtra | 29 |
Geomorphological Studies of part of HasdoBango Multipurpose Project | 35 |
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Abujhmar alkalinity alluvium amphibolite Archaean assemblage avalanche Baicalia Bailadila bands Barakar basalts basin Bastar Craton bauxite belt Bengpal Group Bhander Biozone Charnockitic clastic Colonnella Colonnella sp conglomerate Conophyton Craton dark grey Deccan Trap Dehradun deposition district dolomitic dykes exposed fault feldspar ferruginous folds foliation Geol Surv Geological Survey geothermal gneisses gneissic Gondwana grade grained granite gneiss granulite greisens gritty ground water Hasdo river highway hill Indravati Jabalpur Kaimur Katni Katni Formation Lambhidhar laterite Lateritisation lava flows lineament zone Madhya Pradesh Maharashtra metamorphism metasediments mineral Mishra Mussoorie nala Narmada Pakhal Group phyllites Pinkish plagioclase Proterozoic pyroxene quartz quartzite Rewa road samples sandstone schist sedimentary sequence shale Shri siltstone Slip Probability slopes Stratifera sp stromatolitic stromatolitic dolomite studies Surv Ind Survey of India Talchir rocks Tapti Tattapani tectonic thickness trending tuffs tungsten mineralisation Unconformity Unpub Upper upto valley Varahamihira veins Vindhyan sediments