Records of the Geological Survey of India, Volume 131, Parts 6-8Government of India, 1996 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 8
... phases of deformation are represented in the area . The first phase of deformation is marked by a bedding schistosity ( S = S , ) , which has been obliterated by later phases of deformations . It is preserved as rootless , tight ...
... phases of deformation are represented in the area . The first phase of deformation is marked by a bedding schistosity ( S = S , ) , which has been obliterated by later phases of deformations . It is preserved as rootless , tight ...
Page 93
... phases . The first phase includes arsenopyrite and pyrite and the second has galena , sphalerite and pyrrhotite . Arsenopyrite is older to pyrite in the first case while galena is oldest and pyrrhotite is the youngest in the second phase ...
... phases . The first phase includes arsenopyrite and pyrite and the second has galena , sphalerite and pyrrhotite . Arsenopyrite is older to pyrite in the first case while galena is oldest and pyrrhotite is the youngest in the second phase ...
Page 112
... phase , olivine basalt - representing eruptive phase and peridotite , pyroxenite , gabbro and dolerite dykes - representing intrusive and hypabyssal phases . The subsequent calcite and quartz veins indicate later hydrothermal activity ...
... phase , olivine basalt - representing eruptive phase and peridotite , pyroxenite , gabbro and dolerite dykes - representing intrusive and hypabyssal phases . The subsequent calcite and quartz veins indicate later hydrothermal activity ...
Contents
Project Betul Belt 115 | |
Palaentology Division 132 | |
Geothermal Division 161 | |
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Common terms and phrases
Alluvium amphibolite anomaly bands basalt base metal basement basin bed rock biotite block borehole chalcopyrite chlorite clay comprising cover Deccan Trap Delhi Supergroup deposits depth dipping district dolomite drilling dykes earthquake excavated exposed fault Field Season foliation Formation geochemical Geoenvironmental appraisal geological mapping geophysical GEOTECHNICAL INVESTIGATION glacier gneiss gold grained granite Granitoid gravity grey Group of rocks Haryana Himachal Pradesh indicated intersected km² limestone lineament located logging MADHYA PRADESH magnetic Maharashtra metamorphism migmatites mineral mineralised zones nala NE-SW occur pegmatite phyllite Project Proterozoic quartz quartz reefs quartz veins quartzite Quaternary Rajasthan Region river samples sandstone scale schist sediments sequence shale shear zone slope soil Sonbhadra district sq km strike length structure studies Supergroup surface surveys tectonic thick toposheet traversed trending tuff tunnel upto valley volcanics एवं का कार्य किया गया की के क्षेत्र गए तथा पर मी में से हेतु है