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 45
... 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 22.80m ...
... 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 22.80m ...
Page 127
... gneiss. Calc-granulite / marble and quartzite are folded and dislocated with sinistral shifts along NW-SE direction. Incipient charnockitisation has been recorded in garnetiferous biotite + sillimanite gneiss. The work has brought out ...
... gneiss. Calc-granulite / marble and quartzite are folded and dislocated with sinistral shifts along NW-SE direction. Incipient charnockitisation has been recorded in garnetiferous biotite + sillimanite gneiss. The work has brought out ...
Page 131
... gneiss and pinkhornblende-biotite gneiss display well developed gneissic foliation in the northern part of the area. The general trend of the gneissic foliation is NNE-SSW to NE-SW with moderate to steep dips on either side. Broad open ...
... gneiss and pinkhornblende-biotite gneiss display well developed gneissic foliation in the northern part of the area. The general trend of the gneissic foliation is NNE-SSW to NE-SW with moderate to steep dips on either side. Broad open ...
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