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 10
... deformation (D2) to give rise to a close to tight F2 folds with NE-SW axial planes having steep reversal of dips. The axis of such folds have shallow plunge towards either NE or SW. The D2 deformation is responsible for the penetrative ...
... deformation (D2) to give rise to a close to tight F2 folds with NE-SW axial planes having steep reversal of dips. The axis of such folds have shallow plunge towards either NE or SW. The D2 deformation is responsible for the penetrative ...
Page 132
... deformation in the area. Some of the thin sections of rock samples from the structurally deformed zones indicate evidence of ductile deformation. Quartz shows stretching with the cracks filled with pseudo tachylite veins, which in turn ...
... deformation in the area. Some of the thin sections of rock samples from the structurally deformed zones indicate evidence of ductile deformation. Quartz shows stretching with the cracks filled with pseudo tachylite veins, which in turn ...
Page 41
... deformation events (AF1, AF2 and AF3) and have undergone upper greenschist to lower amphibolite facies of metamorphism. The penetrative to pervasive schistosity parallel to bedding (SOIIS1) trending in NW—SE direction represents the ...
... deformation events (AF1, AF2 and AF3) and have undergone upper greenschist to lower amphibolite facies of metamorphism. The penetrative to pervasive schistosity parallel to bedding (SOIIS1) trending in NW—SE direction represents the ...
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