Records of the Geological Survey of India, Volume 118, Part 2The Survey, 1987 - 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 33
... barite occurrence which was reported in 1980 by the present authors . The barite occurs in the 15 m thick gritty conglomerate and boulder bed at the base of Nagari Formation near Maddimadugu , 20 km south of Cuddapah town in Andhra ...
... barite occurrence which was reported in 1980 by the present authors . The barite occurs in the 15 m thick gritty conglomerate and boulder bed at the base of Nagari Formation near Maddimadugu , 20 km south of Cuddapah town in Andhra ...
Page 38
... Barite occurs as fine to coarse clastics in the matrix of the grit - conglomerate and boulder bed ( photo , fig . 2b ) . Significantly better concentration of barite is observed in the matrix of the conglomerate where crystalline barite ...
... Barite occurs as fine to coarse clastics in the matrix of the grit - conglomerate and boulder bed ( photo , fig . 2b ) . Significantly better concentration of barite is observed in the matrix of the conglomerate where crystalline barite ...
Page 40
... barite veins and barite - quartz veins traversing these rocks . Gulcheru and Nagari shale- have an average of 1875 ppm and 1190 ppm of Ba which are also significantly high . CONCLUSION Occurrence of barite in a grit - conglomerate and ...
... barite veins and barite - quartz veins traversing these rocks . Gulcheru and Nagari shale- have an average of 1875 ppm and 1190 ppm of Ba which are also significantly high . CONCLUSION Occurrence of barite in a grit - conglomerate and ...
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agglomeratic slates angular apatite assemblage Awasthi bands Barakar Bardhan barite basin Betwa Betwa River Bhabanipur Bhander Bihar biotite Biswas bore hole borehole Bottom Seam boulder bed carbonaceous Chitra chlorite clarite clastic coal seams coarse coking composition core samples Cuddapah Dassarma deposits Devakachar Formation district Eastern Ghats epidote Equus felspars fossil wood fragments fusite garnet Geol Geological Survey gneiss Gondwana grade grains grey shale grit-conglomerate gritty growth Gulcheru Formation heavy minerals indicated inertinite irrigation water Karharbari Karharbari-Barakar limestone maceral matrix metamorphic microcline microlithotype myrmekitic Nagari namadicus opaques Panjal Parautochthonous Belt parenchyma pebbly sandstone petrography plagioclase Plate Pradesh present quartz quartzite Range Riamal rocks Saharjuri coalfield Saharjuri coals Saharjuri seam sandstone seam sedimentary cycles Sediments Cycle semifusinite sequences shale showing siliceous Sindora specimens sphene stromatolite Surv Survey of India Table Talchir tectonic thick Top Seam tourmaline Tulsidabar Vempalle vitrinite volcanic zircon