Records of the Geological Survey of India, Volume 86, Parts 2-4Geological Survey of India, 1955 - Earthquakes |
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Page 430
... composition of the titaniferous magnetite of these rocks would be consistent with a temperature of 800 ° -850 ° for the melt from which it formed . SUMMARY New data of the last score of years pertinent to the problem of the origin of ...
... composition of the titaniferous magnetite of these rocks would be consistent with a temperature of 800 ° -850 ° for the melt from which it formed . SUMMARY New data of the last score of years pertinent to the problem of the origin of ...
Page 453
... composition as Eng2 . The normative orthopyroxene , on the other hand , has a molecular percentage of Eng7.5 . However , both the values would place the pyroxene as bronzite . In the case of olivine , the optic axial angle ranges ...
... composition as Eng2 . The normative orthopyroxene , on the other hand , has a molecular percentage of Eng7.5 . However , both the values would place the pyroxene as bronzite . In the case of olivine , the optic axial angle ranges ...
Page 568
... composition of each mineral determined . Even if no consistent correlation were found between the character of the paleo- magnetism and the magnetic mineral compositions , the matter would still not be settled , for magnetic effects may ...
... composition of each mineral determined . Even if no consistent correlation were found between the character of the paleo- magnetism and the magnetic mineral compositions , the matter would still not be settled , for magnetic effects may ...
Contents
OF | 310 |
MINERALS PRODUCED IN THE INDIAN UNION | 316 |
INTRODUCTION | 433 |
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Common terms and phrases
actinolite Adirondack Ajmer-Merwara alumina Amjor anorthosite anorthositic rocks artesian Australia Barakars Basin beds Bihar Bijaigarh shale Bijawar biotite-schists BORE HOLE boulders calcite cent chemical chloritoid chromite coal streaks coalfield composition Conglomerate crystals Dalipnagar deposits depth district dolomite emerald exported faulting feet felspar fire clay flow formation Geol Geological Survey glaciation gneisses Gondwana gypsum ice cap ilmenite India iron Kaliguman kyanite lavas limestone Madhya Pradesh Madras magma magnetic mineral magnetite marl meteorite mica miles mines Mysore nala occurs outcrop output paleomagnetic pegmatites peridotite Permian plagioclase present production pyrite quantity quartz quartzites Rajasthan Rampur Rampur seam remanent magnetism reverse remanent magnetism samples sandstone schists sediments Series shale Shale with coal Shaly Shaly coal Shaly sandstone Singhbhum Sittampundi Complex Survey of India TABLE temperature thickness tillite tion titaniferous magnetite tons valued Triassic unconformity Upper Kaimur sandstone veins Vindhyan