Records of the Geological Survey of India, Volume 123, Part 6The Survey, 1990 - 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 122
... ( upto 150 ppm ) incidence of cobalt in manganese ores of Mansar and Chor- baoli horizons . Possibly as a result of intense granitic activity in these areas , the values of niobium range from 40 to 70 ppm and of molybdenum from 30 to 70 ...
... ( upto 150 ppm ) incidence of cobalt in manganese ores of Mansar and Chor- baoli horizons . Possibly as a result of intense granitic activity in these areas , the values of niobium range from 40 to 70 ppm and of molybdenum from 30 to 70 ...
Page 123
... upto a maximum of 150 ppm , arsenic upto 1000 ppm and zirconium upto 700 ppm . Com- paratively lower values occur in manganese ores of other formations . Niobium varies from 40 to 70 ppm and Mo from 30 to 70 ppm in the rocks under ...
... upto a maximum of 150 ppm , arsenic upto 1000 ppm and zirconium upto 700 ppm . Com- paratively lower values occur in manganese ores of other formations . Niobium varies from 40 to 70 ppm and Mo from 30 to 70 ppm in the rocks under ...
Page 128
... upto 90 ppm . W , Sn upto 40 ppm , Mo upto 60 ppm and Cu upto 0.10 % . The regional work in this area is in progress . In the Kondaras Dongri - Benglur block in Bastar district , the mineralisation occurs as fine dissemina- tions and ...
... upto 90 ppm . W , Sn upto 40 ppm , Mo upto 60 ppm and Cu upto 0.10 % . The regional work in this area is in progress . In the Kondaras Dongri - Benglur block in Bastar district , the mineralisation occurs as fine dissemina- tions and ...
Contents
GEOLOGICAL MAPPING | 1 |
II | 12 |
Economic Geology Division | 109 |
Copyright | |
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aa flow alluvium AMRAVATI DISTRICT bands basalt flows basin bed rock block bole borehole Chandi Formation chert clay coarse compound pahoehoe comprising conglomerate Deccan Trap delineated deposits depth dips DISTRICT OF MADHYA DISTRICT OF MAHARASHTRA dolomite drilling ENE-WSW Engineering Geology Division exposed fault ferruginous flow group geochemical Geologist Jr geophysical gneiss Gondwana gradient granite highly porphyritic horizon indicate intercalations Intertrappean intrusive Jabalpur joints Lameta Laterite lava flows lava pile limestone located Madhya Pradesh MADHYA PRADESH Code MAHARASHTRA Code medium grained metabasic metasediments mineral mineralisation moderately porphyritic mylonitic Nagpur nala non-porphyritic NW-SE occur olivine pahoehoe pahoehoe flow pegmatites phenocrysts phyllite plagioclase porphyritic Proterozoic Pune purple quartz quartz veins quartzite Quaternary Raipur Raipur District Regional Geology Division reservoir river samples sandstone scale schist sediments sequence shale sparsely porphyritic spillway sq km stratigraphic stromatolitic structure studies systematic geological mapping TEHSILS thick tholeiitic toposheet trending Unconformity Upper upto vesicular