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 49
... quartz, quartzite, sandstone and garnetiferous quartzite pebbles and clay gals set in a ferruginous to siliceous ... veins and lenses of two generations, ranging from 1 to 200 m in strike length and 1 to 30 m in width. These analysed SiO, up ...
... quartz, quartzite, sandstone and garnetiferous quartzite pebbles and clay gals set in a ferruginous to siliceous ... veins and lenses of two generations, ranging from 1 to 200 m in strike length and 1 to 30 m in width. These analysed SiO, up ...
Page 36
Geological Survey of India. In Kolari block, two major sets of auriferous quartz veins intruding phyllite and mica schist were identified. One major set of veins is located over a strike length of 340m with 1.5 - 4m width. Channel ...
Geological Survey of India. In Kolari block, two major sets of auriferous quartz veins intruding phyllite and mica schist were identified. One major set of veins is located over a strike length of 340m with 1.5 - 4m width. Channel ...
Page 70
... quartz veins (Fig.1) including quartz vein grey (QVG), quartz vein mixed (QVM) & quartz vein white (QVW). Most of the quartz veins are sheared and brecciated in nature. Presence of arsenopyrite is common in quartz veins. There is a ...
... quartz veins (Fig.1) including quartz vein grey (QVG), quartz vein mixed (QVM) & quartz vein white (QVW). Most of the quartz veins are sheared and brecciated in nature. Presence of arsenopyrite is common in quartz veins. There is a ...
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