Records of the Geological Survey of India, Volume 132, Part 2Government of India, 1996 - 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 5
... quartz of different generations , quartz - mica schist with poikiloblastic garnet . Quartz - chlorite schist with vein quartz and amphibolite ( meta - basalt ) . 3. Ultramafic assemblages Peridotite komatiite , talc - tremolite ...
... quartz of different generations , quartz - mica schist with poikiloblastic garnet . Quartz - chlorite schist with vein quartz and amphibolite ( meta - basalt ) . 3. Ultramafic assemblages Peridotite komatiite , talc - tremolite ...
Page 7
... quartz ± scapolite ± garnet + wollastonite ± zoisite + K- feldspar Inclusions of calcite , plagioclase in garnet point to the formation of porphyroblastic garnet through the reaction : [ calcite + plagioclase + quartz = garnet + CO2 ] ...
... quartz ± scapolite ± garnet + wollastonite ± zoisite + K- feldspar Inclusions of calcite , plagioclase in garnet point to the formation of porphyroblastic garnet through the reaction : [ calcite + plagioclase + quartz = garnet + CO2 ] ...
Page 135
... quartz veins - veinlet system , trending E - W to ENE- WSW and dipping subvertically towards south . These quartz reefs are auriferous . The reef QR - 2 is the most promising mineralised zone and is being test drilled in the Rudiya ...
... quartz veins - veinlet system , trending E - W to ENE- WSW and dipping subvertically towards south . These quartz reefs are auriferous . The reef QR - 2 is the most promising mineralised zone and is being test drilled in the Rudiya ...
Contents
CENTRAL HEADQUATERS 169 | 3 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 85141 | 85 |
COAL WING 144226 | 144 |
Copyright | |
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aeromagnetic Andhra anomalies assemblage Barakar Barakar coal seams Barakar Formation Barren Measures base metal basin Bhutan Bihar Block boreholes carbonaceous carried comprises core covered Cruise Deccan Traps delineated depth range district drilling dykes Dzongkhag EXPLORATION FOR COAL exposed fault field season foraminifera garnet geochemical Geological Map geophysical gneiss gold Gondwana grade granite granulite grey ground evaluation Group horizons INDEX indicate intersected investigation Kamthi lamproites lignite limestone limestone band lineament located Madhya Pradesh magnetic metamorphic mineral mineralisation multisensor NW-SE occur Orissa pegmatite phyllite programme quartz quartzite Raniganj Raniganj Formation REGIONAL EXPLORATION remote sensing ridge River rocks samples sand sandstone scale schist seabed seam zones sector sediments sequence shale shallow Singhbhum Sohagpur Coalfield soil southern sq km strike structural subsurface surface surveys Talchir Formation Tamil Nadu thickness Toposheet traverses trending ultramafic upto Valley Coalfield West Bengal