Records of the Geological Survey of India, Volume 125, Parts 6-8Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 11
... grade metasediments and volcanic rocks . The high - grade metapelitic enclaves have the following mineralogical compositions : ( 1 ) garnet ± staurolite - mica schist , ( 2 ) kyanite -staurolite - ( cordierite ? ) - garnet schist , ( 3 ) ...
... grade metasediments and volcanic rocks . The high - grade metapelitic enclaves have the following mineralogical compositions : ( 1 ) garnet ± staurolite - mica schist , ( 2 ) kyanite -staurolite - ( cordierite ? ) - garnet schist , ( 3 ) ...
Page 85
... grade for the left abutment at R.L. 212.5 m . It was observed that at this level the foundation grade exposed weathered shaly lime- stone . Hence , it was not considered satisfactory . It has been suggested to lower the grade to R.L. ...
... grade for the left abutment at R.L. 212.5 m . It was observed that at this level the foundation grade exposed weathered shaly lime- stone . Hence , it was not considered satisfactory . It has been suggested to lower the grade to R.L. ...
Page 137
... GRADE : Down grade from R.D. 2000 포지 R. Satluj HEAD RACE TUNNEL ALIGNMENT QUARTZ MICA SCHIST Plan of Nathpa Jhakri Project showing headrace tunnel ( A B C ) and adits abutments , along with alternative alignment , favoured on ...
... GRADE : Down grade from R.D. 2000 포지 R. Satluj HEAD RACE TUNNEL ALIGNMENT QUARTZ MICA SCHIST Plan of Nathpa Jhakri Project showing headrace tunnel ( A B C ) and adits abutments , along with alternative alignment , favoured on ...
Contents
GEOLOGICAL MAPPING 1 to 58 | 8 |
Elucidation of structure stratigraphy and mineralisation potential | 18 |
MINERAL INVESTIGATIONS 61 to 88 | |
Copyright | |
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alluvial Alluvium amphibolite anomaly Aravalli bands basalt basement basic basin bed rock belt Bijawar biotite block boreholes chlorite clay comprising conglomerate Deccan Trap deformation deposits depth dips district dolomite drill holes dykes Engineering Geology Division exposed fault field season flood plain flows folds foliation Formation fractures Ganga geochemical geological mapping Geologist Jr geophysical GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade grained granite granite gneiss granitoids grey Group indicated intrusive joints km² lava limestone lineaments located MADHYA PRADESH MADHYA PRADESH Code magnetic MAHARASHTRA metamorphism mica schist mineral mineralisation Nagpur Narmada occur Older Alluvium pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Quaternary Rajasthan regional rhyolite river Sakoli samples sand sandstone scale schist sediments sequence shale shear zone Siwalik slope soil sq km stratigraphic studies sulphide Supergroup surface surveys terrace thick tion toposheet traversed trending tunnel ultramafic Unconformity upto Uttar Pradesh Varanasi Older volcanic