Records of the Geological Survey of India, Volume 128, Parts 6-7Government of India, 1993 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 85
... places phenocrysts of feldspar which are lenticular or augen shaped give rise to augen gneisses . The size of phenocrysts vary from few mm to 2 cm in length . Younger metasedimentaries : This sequence consists of mainly phyllites which ...
... places phenocrysts of feldspar which are lenticular or augen shaped give rise to augen gneisses . The size of phenocrysts vary from few mm to 2 cm in length . Younger metasedimentaries : This sequence consists of mainly phyllites which ...
Page 159
... places migmatitic , showing agmatic , schollen , stromatic , folded , augen , schlieren and ptygmatic struc- tures . The litho - assemblages of the Sonakhan Group are characteristically bimodal volcanics and associated metasedimentaries ...
... places migmatitic , showing agmatic , schollen , stromatic , folded , augen , schlieren and ptygmatic struc- tures . The litho - assemblages of the Sonakhan Group are characteristically bimodal volcanics and associated metasedimentaries ...
Page 162
... places also across the general trend . Thin NNW - SSE trending parallel quartz veins run at close intervals for long distance in the leucogranite . Petrographic studies indicate that the tremolite - actinolite schist comprises tremolite ...
... places also across the general trend . Thin NNW - SSE trending parallel quartz veins run at close intervals for long distance in the leucogranite . Petrographic studies indicate that the tremolite - actinolite schist comprises tremolite ...
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Common terms and phrases
amphibolite anomalies Aravalli Supergroup bands Banswara district basalt base metal basement basin bedrock Betul biotite block boreholes calc-silicate carried Champaner chert Deccan Trap deposit depth district dolomite drilling dykes earthquake ENE-WSW exposed fault field season flows foliation Formation foundation geological mapping geophysical surveys GEOTECHNICAL INVESTIGATION gneisses Gneissic Complex grade grained granite gneiss granitoids granulite gravity grey Group indicated intersected intrusives Khandwa kimberlitic km² limestone lineament located Lunavada MADHYA PRADESH MADHYA PRADESH Code magnetic Maharashtra Mangalwar marble metamorphism metapelites metasedimentary metasediments mica schist migmatites mineral mineralisation Narmada occur phyllite plagioclase porphyritic Project Proterozoic quartz quartz veins quartzite Raipur district Rajasthan regional river rocks Sakoli sandstone scale schist schistosity sediments seismic shear zone soil sq km sq.km stage geotechnical strike length structural studies sub-block sulphide Supergroup tectonic thick toposheet transect traverses trending Unconformity village volcanics के में