Records of the Geological Survey of India, Volume 92The Survey, 1962 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 7
... granite and augen - gneiss occupy the cores of anticlinal structures and also occur as sheet - like bodies along the limbs of folds . The porphyrritic granite is also intruded by small veins of a second generation of biotite - granite ...
... granite and augen - gneiss occupy the cores of anticlinal structures and also occur as sheet - like bodies along the limbs of folds . The porphyrritic granite is also intruded by small veins of a second generation of biotite - granite ...
Page 20
... granite gneiss with basic inclusions and acid veins in them . The two groups are separated by an eruptive unconformity . A few basic dykes met with in the area appear to be younger to the schists and gneiss . The older formations , the ...
... granite gneiss with basic inclusions and acid veins in them . The two groups are separated by an eruptive unconformity . A few basic dykes met with in the area appear to be younger to the schists and gneiss . The older formations , the ...
Page 21
... granite . The most common rocks are granites and gneisses . Biotite gneiss is the oldest rock ; it is composed of microcline , perthite and some plagioclase with quartz , biotite , sphene and apatite . It is a finely foliated rock which ...
... granite . The most common rocks are granites and gneisses . Biotite gneiss is the oldest rock ; it is composed of microcline , perthite and some plagioclase with quartz , biotite , sphene and apatite . It is a finely foliated rock which ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Volume 92 Part | 2 |
Andhra Circle | 14 |
Copyright | |
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44th Ind Abstracts alignment alluvium altitude Andhra aquifer Arogyaswamy B. C. Roy B.Sc Banaras bands beds belt Bihar Bombay boreholes Calcutta Circle clay coal seams coalfield Congr Deccan Traps Delhi deposits depth DISTRICT Shri drawdown East Economic Geology electrical logging examined exploratory formation furlongs G.S.I. bench-mark gallons U.S. Geol geological mapping Geological Survey Geologist Geophysical gneisses Gondwana granite graphite groundwater Headquarters Cal India Industr investigated iron-ore Jain Jammu Kerala laterite lignite limestone Located lodes m.s.l. Drilled M.Sc Madhya Pradesh Madras magnetite miles Miner mineralisation mining Murthy Mysore nala Neyveli occurrence Orissa Pradesh.-Shri Proc Progr Project Punjab quarry quartz quartzites Rajasthan Raniganj river rock types samples sand sandstones Sarvashri schists Section sediments shales Shri Hamzah Shri M. S. Sinha Srivastava Survey of India thickness tubewells tunnel Uttar veins village West Bengal zone