Records of the Geological Survey of India, Volume 126, Parts 6-8Government of India, 1991 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 14
... granite . Both the quartzites have got gradational contact with the grey gneissic granite . The quartzites are white , dull white or pinkishwhite , fine to medium grained , hard and well foliated rocks composed mainly of quartz with ...
... granite . Both the quartzites have got gradational contact with the grey gneissic granite . The quartzites are white , dull white or pinkishwhite , fine to medium grained , hard and well foliated rocks composed mainly of quartz with ...
Page 46
... granite , ( ii ) coarse non - porphyritic granite and ( iii ) fine grained granite . Rapakivi texture showing potash feldspar ovoids enveloped in an oligoclase mantle has been recorded in the coarse porphyritic granite . The granites ...
... granite , ( ii ) coarse non - porphyritic granite and ( iii ) fine grained granite . Rapakivi texture showing potash feldspar ovoids enveloped in an oligoclase mantle has been recorded in the coarse porphyritic granite . The granites ...
Page 151
... granite , porphyritic granite , tourmaline granite and leucocratic granites with veins of pegmatite , aplite , quartz and unakite . Biotite granite which is grey to pink coloured and porphyritic at places occurs as elliptical outcrops ...
... granite , porphyritic granite , tourmaline granite and leucocratic granites with veins of pegmatite , aplite , quartz and unakite . Biotite granite which is grey to pink coloured and porphyritic at places occurs as elliptical outcrops ...
Contents
Petrology Laboratory | 6 |
Base metal investigation in Sawar area Ajmer district Rajasthan | 32 |
Investigation for gold in maficultramafic rocks related | 38 |
Copyright | |
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Alluvium amphibolite anomaly bands basalt basin bed rock belt Bijawar biotite block borehole channel chlorite clay coarse comprises conglomerate covered Deccan Trap deposits depth district dolomite drainage drilling dykes erosional exposed facies fault field season flows folds foliation Formation foundation Ganga geochemical geological mapping Geology Division geomorphological geophysical GEOTECHNICAL INVESTIGATION gneiss gold granite granitoids grey Group Haryana Himachal Pradesh holes indicated intersected intrusive joints kmĀ² limestone lineament located MAHARASHTRA mica schist mineralisation minerals nala Newer Alluvium occur pegmatite phyllite plagioclase porphyritic present Project quartz quartz veins quartzite Quaternary sediments Rajasthan Ramganga Regional reservoir rhyolite river samples sand sandstone scale schist sequence shale shear zone silt Siwalik slope soil sq km stratigraphic structure studies sulphide Supergroup surface surveys Terrace Alluvium thick toposheet trending Udaipur district Upper upto Uttar Pradesh valley Varanasi Varanasi Older Alluvium volcanics Yamuna