Records of the Geological Survey of India, Volume 93, Part 2The Survey, 1963 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 174
... crystals range upto 1 cm . and more , and form aggregates , surrounded by quartz . Quartz is in the form of fine grains , the size of crystals , in places , ranging upto a few millimetres across . Biotite and hornblende are also found ...
... crystals range upto 1 cm . and more , and form aggregates , surrounded by quartz . Quartz is in the form of fine grains , the size of crystals , in places , ranging upto a few millimetres across . Biotite and hornblende are also found ...
Page 195
... crystals of muscovite . X - ray photographs show the product of alteration to be kaolinite . Kaolinite . - Kaolinite grains , in both the sandstones , range from fine clay particle to fine sand particle . Sandstone No. 120 , with 19.1 ...
... crystals of muscovite . X - ray photographs show the product of alteration to be kaolinite . Kaolinite . - Kaolinite grains , in both the sandstones , range from fine clay particle to fine sand particle . Sandstone No. 120 , with 19.1 ...
Page 221
... crystals , while iron and titanium will become concentrated in the later crystals of an isomorphous series . The diavalent cations in chromite are MgO and FeO . Since Mg " ( 0-78A ° ) has a smaller radius than Fe " ( 0 · 83A ° ) , it ...
... crystals , while iron and titanium will become concentrated in the later crystals of an isomorphous series . The diavalent cations in chromite are MgO and FeO . Since Mg " ( 0-78A ° ) has a smaller radius than Fe " ( 0 · 83A ° ) , it ...
Contents
GEOLOGICAL SURVEY OF INDIA | 121 |
Some Features related to Eolian Sedimentation on Shore Linés By R N P 135142 | 135 |
A suggested succession of the Purana Formations of the Southern Part of 143148 | 143 |
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acid aluminium analyses anorthite anticline arkosic Banihal Banihal pass Bihar biotite calcite cent Cervus Chaibasa chloride chrome-ore chromite chromium clay particles composition concretions containing corroded Cr₂O crystallised crystals deposits diameter diaspore differential thermal analysis district Eklara End-member fault Fe ratio felspar Ferrochromite ferrous fireclay folds formation fossils fraction G. S. I. Type Geol Geological Survey goethite grain sizes grains of quartz granite hematite Hercynite Indian chromites kaolin kaolinite Kashmir Khairagarh laterite laterite profile layer limestone Madras Magnesiochromite magnetite metres mica muscovite occur outcrop oxide Palghat gap Panjal traps parent rock Pedhamli percentage Phako phyllite Pir Panjal pisolites plagioclase quartz quartz grains quartzite Raipur ripples sample sand sandstone Sayamalai sections sequence shales shear zone silica Singhbhum sodium solution specimen spinel Stegodon Surv Survey of India syncline Table thickness tunnel unit cell upper Vedadri X-ray