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 20
... clay deposits near Wuyan ( 34 ° 02 ′ : 74 ° 58 ′ ) . The clays are whitish and contain sand lenses of variable thickness . Chemical analyses show 46.60 to 56.48 per cent . SiO2 , 10.65 to 19.31 per cent . A120 , and 5.40 to 7.70 per ...
... clay deposits near Wuyan ( 34 ° 02 ′ : 74 ° 58 ′ ) . The clays are whitish and contain sand lenses of variable thickness . Chemical analyses show 46.60 to 56.48 per cent . SiO2 , 10.65 to 19.31 per cent . A120 , and 5.40 to 7.70 per ...
Page 177
... clay . In the lower portions , immediately above the fresh granite , this clay contains decomposed products of the granite , in the shape of fine grit . Specimen No. 107 shows the composition of fine grit . The fine granitic grit ...
... clay . In the lower portions , immediately above the fresh granite , this clay contains decomposed products of the granite , in the shape of fine grit . Specimen No. 107 shows the composition of fine grit . The fine granitic grit ...
Page 192
... clay only a few small flakes of hematite occur in the larger clay particles and in the fine sand particles . In the specimen No. 103 , which is free from calcite , the concre- tions contain relatively small quantity of hematite , whilst ...
... clay only a few small flakes of hematite occur in the larger clay particles and in the fine sand particles . In the specimen No. 103 , which is free from calcite , the concre- tions contain relatively small quantity of hematite , whilst ...
Contents
OF | 2 |
MINERAL INVESTIGATIONS arranged according to the alphabetical | 16 |
ENGINEERING GEOLOGY AND WATERSUPPLY INVESTIGATIONS | 53 |
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acid aluminium analyses Andhra 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 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