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 81
The Hutti North block exposes mainly amphibolites, comprising fine grained and coarse grained varieties. ... In view of the presence of old workings with indications for a gold at the amphibolite-granite margins in Yatkal area, ...
The Hutti North block exposes mainly amphibolites, comprising fine grained and coarse grained varieties. ... In view of the presence of old workings with indications for a gold at the amphibolite-granite margins in Yatkal area, ...
Page 84
m, between 200.25 and 201.75 m in sheared fine grained amphibolite. This auriferous zone falls in the northern strike alignment of Strike reef (foot wall). The borehole HNG-16 intersected feeble sulphide mineralisation between 34.90 and ...
m, between 200.25 and 201.75 m in sheared fine grained amphibolite. This auriferous zone falls in the northern strike alignment of Strike reef (foot wall). The borehole HNG-16 intersected feeble sulphide mineralisation between 34.90 and ...
Page 85
While the trenches in HYB1 block exposed coarse grained amphibolite and acid volcanic rock with quartz veins at places, the trench in HYB2 block exposed fine grained amphibolite. The trench HYB3/1 in HYB3 block exposed a 2.0 m wide ...
While the trenches in HYB1 block exposed coarse grained amphibolite and acid volcanic rock with quartz veins at places, the trench in HYB2 block exposed fine grained amphibolite. The trench HYB3/1 in HYB3 block exposed a 2.0 m wide ...
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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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Common terms and phrases
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