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 179
... Quartz , leaving aside specimen No. 101 , forms the bulk of the sand . The maxima of quartz in the particles of over 0-2 mm . in diameter lie in all the specimens . A shift of maximum is observed from the particles of 0.63- 2 mm . in ...
... Quartz , leaving aside specimen No. 101 , forms the bulk of the sand . The maxima of quartz in the particles of over 0-2 mm . in diameter lie in all the specimens . A shift of maximum is observed from the particles of 0.63- 2 mm . in ...
Page 187
... quartz . At places it has penetrated into the cracks of quartz grains and has forcibly separated the grains . In specimen Nos . 101 and 102 , grains of quartz are seen surrounded by calcite . The cracks in these grains of quartz are ...
... quartz . At places it has penetrated into the cracks of quartz grains and has forcibly separated the grains . In specimen Nos . 101 and 102 , grains of quartz are seen surrounded by calcite . The cracks in these grains of quartz are ...
Page 199
... Quartz Kaolinite Mica Calcite Goethite Hematite 2 Q2 0.02 0.002 0.0002 mm FIG . 10. - Diagram of the distribution of grain sizes and of the minerals in specimen No. 113 . ( 1 ) Quartz , ( 2 ) Kaolinite , ( 3 ) Mica , ( 4 ) Calcite , ( 5 ) ...
... Quartz Kaolinite Mica Calcite Goethite Hematite 2 Q2 0.02 0.002 0.0002 mm FIG . 10. - Diagram of the distribution of grain sizes and of the minerals in specimen No. 113 . ( 1 ) Quartz , ( 2 ) Kaolinite , ( 3 ) Mica , ( 4 ) Calcite , ( 5 ) ...
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