Records of the Geological Survey of India, Volume 93The Survey, 1962 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 194
... Muscovite . Both the sandstones contain about 26 per cent . muscovite , The muscovite is , however , very poor in iron . The optical and X - ray data are given in Table 8 . d ( 100 ) / = 10-08 kX d ( 200 ) / = 5.06 kX TABLE 8 * nz ...
... Muscovite . Both the sandstones contain about 26 per cent . muscovite , The muscovite is , however , very poor in iron . The optical and X - ray data are given in Table 8 . d ( 100 ) / = 10-08 kX d ( 200 ) / = 5.06 kX TABLE 8 * nz ...
Page 204
... Muscovite X X , Quartz.- Kaolinite , as seen under the microscope , has been formed by disintegra- tion due to weathering of muscovite . This transformation of muscovite containing no iron , into kaolinite , need not have involved any ...
... Muscovite X X , Quartz.- Kaolinite , as seen under the microscope , has been formed by disintegra- tion due to weathering of muscovite . This transformation of muscovite containing no iron , into kaolinite , need not have involved any ...
Page 207
... muscovite . The ratio between kaolinite and musco- vite comes to approximately 0-4 in the parent rock ( Specimen No. 110 ) . If muscovite in specimen No. 116 had been , like quartz , reduced to a quarter of its original quantity , and ...
... muscovite . The ratio between kaolinite and musco- vite comes to approximately 0-4 in the parent rock ( Specimen No. 110 ) . If muscovite in specimen No. 116 had been , like quartz , reduced to a quarter of its original quantity , and ...
Contents
VOLUME 93 PART | 2 |
MINERAL INVESTIGATIONS arranged according to the alphabetical | 16 |
ENGINEERING GEOLOGY AND WATERSUPPLY INVESTIGATIONS | 53 |
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acid aluminium analyses Andhra Pradesh anorthite Archaean Argada Arogyaswamy B. C. Roy bands beds Bihar biotite boreholes calcite cent charnockites chemical chromite chromium clay Coalfield Coll composition contains deposits depth diameter differential thermal district.-Shri Drilled Dutt east examined fault felspar fireclay folds formation fossils Geol geological mapping Geological Survey gneisses goethite Gondwana grade grains granite groundwater hematite Indian chromites investigated iron iron-ore Jain kaolin kaolinite laterite laterite profile layer limestone located Madhya Pradesh Madras magnetite metres mica miles million tons minerals Murthy muscovite Mysore occur oxide particles Pedhamli pegmatite percentage Phako phyllites Pradesh.-Shri Prasad quartz quartzites ratio reported ripples river rocks samples sand sandstone Sarvashri schists Section shales shear zone Shri sodium solution specimen spinel Srivastava structure Superintending Geologist Surv Survey of India synclinal taluk thickness Upper veins X-ray