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 4
... basalt , spini- fex - textured basalt , reddened basalt and breccia . Upto 8 m thick fragmentary top ----- 580 m msl ( north ) to 545 m msl ( south ) Moderately porphyritic , fine to medium sized phenocrysts of plagioclase , pockets of ...
... basalt , spini- fex - textured basalt , reddened basalt and breccia . Upto 8 m thick fragmentary top ----- 580 m msl ( north ) to 545 m msl ( south ) Moderately porphyritic , fine to medium sized phenocrysts of plagioclase , pockets of ...
Page 3
... basalt variants are exposed in the cutoff trench . The foundation rocks comprise amygdular to mas- sive basalts ... basalt ) . The highly weathered basalt at downstream cut face has slumped into the trench between RD 71 and 101 m along ...
... basalt variants are exposed in the cutoff trench . The foundation rocks comprise amygdular to mas- sive basalts ... basalt ) . The highly weathered basalt at downstream cut face has slumped into the trench between RD 71 and 101 m along ...
Page 103
... basalt is partly altered inside the galleries . RMR and Q values of fresh and altered porphyritic basalt varies from 60 to 64 and 13.70 to 9.38 respectively . Major part of these galleries has been covered by shotcrete . Rib supports ...
... basalt is partly altered inside the galleries . RMR and Q values of fresh and altered porphyritic basalt varies from 60 to 64 and 13.70 to 9.38 respectively . Major part of these galleries has been covered by shotcrete . Rib supports ...
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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Common terms and phrases
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