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 14
... granite and granite gneiss were surveyed for their suitability for commercial use. Four blocks (I-IV) prospective for dimension stone were identified in the area, viz., (I) East of the road in between Salang and Laurpha & north of the ...
... granite and granite gneiss were surveyed for their suitability for commercial use. Four blocks (I-IV) prospective for dimension stone were identified in the area, viz., (I) East of the road in between Salang and Laurpha & north of the ...
Page 45
... granite-gneiss. Silt and soil clay encountered from l.70m to 80.05m, light to dark grey, medium to coarse grained, moderately to closely jointed, hard and compact granite- gneiss is encountered. The rocks contain biotite rich zones from ...
... granite-gneiss. Silt and soil clay encountered from l.70m to 80.05m, light to dark grey, medium to coarse grained, moderately to closely jointed, hard and compact granite- gneiss is encountered. The rocks contain biotite rich zones from ...
Page 17
... granite is dated at ~1600Ma, nearly coeval with the Vellaturu granite (WR isochron age; Gupta et al., 1984). Based on the available age data, Saha (2000) suggested that the sedimentation of Nallamalai Group must have been completed ...
... granite is dated at ~1600Ma, nearly coeval with the Vellaturu granite (WR isochron age; Gupta et al., 1984). Based on the available age data, Saha (2000) suggested that the sedimentation of Nallamalai Group must have been completed ...
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