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 47
... mica zones along the joint directions in gneisses and granulites . Ratnagiri district , Bombay . - Shri S. Krishnaswamy and Shri Y. S. Sahasrabudhe visited the mica deposit near Kadawal ( 16 ° 08 ′ : 73 ° 49 ′ ) which had been surveyed ...
... mica zones along the joint directions in gneisses and granulites . Ratnagiri district , Bombay . - Shri S. Krishnaswamy and Shri Y. S. Sahasrabudhe visited the mica deposit near Kadawal ( 16 ° 08 ′ : 73 ° 49 ′ ) which had been surveyed ...
Page 168
... mica and for distinguishing di - octahedral and tri - octahedral mica with the help of ( 001 ) and ( 002 ) interferences . Mica pieces similar to muscovite ( di - octahedral ) show somewhat uniformly strong ( 001 ) and ( 002 ) ...
... mica and for distinguishing di - octahedral and tri - octahedral mica with the help of ( 001 ) and ( 002 ) interferences . Mica pieces similar to muscovite ( di - octahedral ) show somewhat uniformly strong ( 001 ) and ( 002 ) ...
Page 182
Geological Survey of India. Mica . - Different types of mica occur close to one another in specimens from the laterite profile . In practically all the specimens highly bleached biotites , in particles ranging from 6-3 to 200u in ...
Geological Survey of India. Mica . - Different types of mica occur close to one another in specimens from the laterite profile . In practically all the specimens highly bleached biotites , in particles ranging from 6-3 to 200u in ...
Contents
VOLUME 93 PART | 2 |
MINERAL INVESTIGATIONS arranged according to the alphabetical | 16 |
ENGINEERING GEOLOGY AND WATERSUPPLY INVESTIGATIONS | 53 |
Copyright | |
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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 coal seams 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 Prasad quartz quartzites ratio reported ripples river rocks samples sand sandstone Sarvashri schists Section shales shear zone Shri sodium solution specimen spinel Srivastava structure suitable Superintending Geologist Survey of India synclinal taluk thickness Upper veins X-ray