Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 113
... Elements in p.p.m. AN2 GB Cu 30 80 Pb 10 10 Zn 100 50 Sn 10 10 Ni 10 60 Co 10 50 Cr 15 40 V 40 150 Ga 15 15 Ba 90 300 Ag 2 2 As 100 100 Mo 5 5 Sb 50 50 Spectrographic analysis by ... elements A review of the trace element contents of -15 113.
... Elements in p.p.m. AN2 GB Cu 30 80 Pb 10 10 Zn 100 50 Sn 10 10 Ni 10 60 Co 10 50 Cr 15 40 V 40 150 Ga 15 15 Ba 90 300 Ag 2 2 As 100 100 Mo 5 5 Sb 50 50 Spectrographic analysis by ... elements A review of the trace element contents of -15 113.
Page 168
... element determination . Examination of the results indicates that the elements in the two fractions are variable within narrow limit . In general , the element concentration in -80 mesh fraction is higher than in the corresponding +80 ...
... element determination . Examination of the results indicates that the elements in the two fractions are variable within narrow limit . In general , the element concentration in -80 mesh fraction is higher than in the corresponding +80 ...
Page 176
... elements in both granite and charnockite , the foregoing data demonst- rate the availability of ore forming elements in sufficient quantity with- in the granite - charnockite tract for development of major sulphide deposits in this area ...
... elements in both granite and charnockite , the foregoing data demonst- rate the availability of ore forming elements in sufficient quantity with- in the granite - charnockite tract for development of major sulphide deposits in this area ...
Contents
CONTENTS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
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80 mesh amphibolites analysed Andaman island anorthosites apatite bands Baraganda Baratang Baratang island basaltic basin beds Bihar biotite Bramlette and Riedel calc-granulite calcareous calcite carbonate Carboniferous charnockites chemical clay coal coalfield coalseams conglomerate copper deposition Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey Geologist glacier gneisses Gondwana grained granitic gray anorthosites graywacke hill hornblende indicate khondalites limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala Nicobar occur Orissa orthopyroxene oxides para-amphibolite Permian phenocrysts phosphate phosphorite pinnules plagioclase present pyroxene quartz quartzite rocks samples sandstone sedimentary sediments shales shear shows siltstone snout South Andaman Stradner strike length Surv Survey of India thickness Thinnfeldia tion tonnes trace element ultrabasic upto valley varies veins volcanic younger ortho-amphibolite Zemu glacier zone