Records of the Geological Survey of India, Volume 136, Parts 4-7Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 13
The metapelites, dark grey and well foliated, are represented mainly by quartz-biotite schist, composed of quartz, biotite, plagioclase, and microcline with or without cordierite and gamet. Muscovite also occurs at places in association ...
The metapelites, dark grey and well foliated, are represented mainly by quartz-biotite schist, composed of quartz, biotite, plagioclase, and microcline with or without cordierite and gamet. Muscovite also occurs at places in association ...
Page 5
S-C fabric in biotite migmatite and quartzo-feldspathic enclave is very well-developed near Bir village. Sheath folds are also observed near Mohanpura in biotite migmatite. The C-plane or the shear plane is almost conformable with the ...
S-C fabric in biotite migmatite and quartzo-feldspathic enclave is very well-developed near Bir village. Sheath folds are also observed near Mohanpura in biotite migmatite. The C-plane or the shear plane is almost conformable with the ...
Page 84
basement rocks belonging to the Mangalwar Complex of Bhilwara Supergroup comprise biotite schist, gametiferous schist, kyanite schist and leucogranite. An assemblage of phyllite and quartzite of the Udaipur Group of ASG are overlying ...
basement rocks belonging to the Mangalwar Complex of Bhilwara Supergroup comprise biotite schist, gametiferous schist, kyanite schist and leucogranite. An assemblage of phyllite and quartzite of the Udaipur Group of ASG are overlying ...
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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