Records of the Geological Survey of India, Volume 136, Parts 4-7Government of India, 2001 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 39
... fractures. The mafic dykes and quartz reefs, emplaced along WNW-ESE fractures, show intense fracturing and shearing due to repeated reactivation. The fracture system controls the drainage largely in the area. Systematic traverse mapping ...
... fractures. The mafic dykes and quartz reefs, emplaced along WNW-ESE fractures, show intense fracturing and shearing due to repeated reactivation. The fracture system controls the drainage largely in the area. Systematic traverse mapping ...
Page 247
... fracture/shear zone at the contact of granites. Feeble gravity high zone trending NNW-SSE abuts the gravity low zone in the central part of the area between Narsingi and Golconda Fort. An orthogonal trend of feeble gradients in the EW ...
... fracture/shear zone at the contact of granites. Feeble gravity high zone trending NNW-SSE abuts the gravity low zone in the central part of the area between Narsingi and Golconda Fort. An orthogonal trend of feeble gradients in the EW ...
Page 36
... fracture filling and chalcopyrite occurs as minute independent grains as well as blebs and streaks in bomite; at a depth of 160.0 m bornite, chalcocite and chalcopyrite occur where bornite is dominant over other two minerals and occurs ...
... fracture filling and chalcopyrite occurs as minute independent grains as well as blebs and streaks in bomite; at a depth of 160.0 m bornite, chalcocite and chalcopyrite occur where bornite is dominant over other two minerals and occurs ...
Contents
EXTENDED ABSTRACTS OF PROGRESS REPORTS | 5 |
MEGHALAYA MINERAL INVESTIGATION PROJECT | 11 |
RECORDS VOLUME 136 PART5 | i |
Copyright | |
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amphibolite Andhra Pradesh anomaly auriferous bands basalt base metals basin bedrock biotite block boreholes carried charnockite clay collected comprising Construction stage geotechnical covered Cuddapah deformation delineated depth district dolerite dolomite drilling dykes east excavation exploration exposed fault feldspar field field season folds foliation Formation foundation fracture geoenvironmental geological mapping geophysical geotechnical investigation gneiss gneissic gold values grained granite granite gneiss granitoids gravity grey grouting indicated intersected intrusive joints kimberlite limestone lineaments lithounits located magnetic Meghalaya migmatite mineralised zone minerals NE-SW NNW-SSE NW-SE occur overburden pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan regional River rock samples sand sandstone scale schist schist belt shear zone slope soil sq km stage geotechnical investigation stream sediment strike length structural studies sulphide Supergroup surface surveys syenite Tamil Nadu tectonic thick toposheet traverse trench trending Udaipur district ultramafic village volcanics weathered width