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 81
... grained and coarse grained amphibolites and acid volcanic rock. The main auriferous zone of 140 m, confined to acid volcanics in the north, passes into coarse grained amphibolites in the south. The rocks in block 2 (HYB2) include fine ...
... grained and coarse grained amphibolites and acid volcanic rock. The main auriferous zone of 140 m, confined to acid volcanics in the north, passes into coarse grained amphibolites in the south. The rocks in block 2 (HYB2) include fine ...
Page 84
... grained amphibolite. The borehole HNG-18 intersected moderate sulphide mineralisation between 141.90 and 145.40 m in sheared fine grained amphibolite, traversed by quartz veins and feeble sulphide zones between 68.70 and 71.75 m and ...
... grained amphibolite. The borehole HNG-18 intersected moderate sulphide mineralisation between 141.90 and 145.40 m in sheared fine grained amphibolite, traversed by quartz veins and feeble sulphide zones between 68.70 and 71.75 m and ...
Page 85
... grained amphibolite east of the adit in the main auriferous zone in HYB1 block and the quartz vein in HYB3 block. While the trenches in HYB1 block exposed coarse grained amphibolite and acid volcanic rock with quartz veins at places ...
... grained amphibolite east of the adit in the main auriferous zone in HYB1 block and the quartz vein in HYB3 block. While the trenches in HYB1 block exposed coarse grained amphibolite and acid volcanic rock with quartz veins at places ...
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