Records of the Geological Survey of India, Volume 125, Parts 6-8Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 6
... structure defined by the presence of alternating bands of hard , compact , non- foliated rhyolite and com- paratively soft and foliated rhyolite . The nonfoliated rhyolite stands out as ridges imparting an appearance of ring like structure ...
... structure defined by the presence of alternating bands of hard , compact , non- foliated rhyolite and com- paratively soft and foliated rhyolite . The nonfoliated rhyolite stands out as ridges imparting an appearance of ring like structure ...
Page 54
... structural discontinuity or a similar structure . The top of this high density structure seems to be roughly 1.2 km deep . A residual gravity low ( -3mgal ) corroborating with a magnetic low occurs in the western part of this steep ...
... structural discontinuity or a similar structure . The top of this high density structure seems to be roughly 1.2 km deep . A residual gravity low ( -3mgal ) corroborating with a magnetic low occurs in the western part of this steep ...
Page 85
... structure that is being planned , from the existing record it is not possible to suggest tentative foundation grades for the waste weir . However , a 3 m embedment of structure from bed rock level is considered to be sufficient for 10 ...
... structure that is being planned , from the existing record it is not possible to suggest tentative foundation grades for the waste weir . However , a 3 m embedment of structure from bed rock level is considered to be sufficient for 10 ...
Contents
GEOLOGICAL MAPPING 1 to 58 | 8 |
Elucidation of structure stratigraphy and mineralisation potential | 18 |
MINERAL INVESTIGATIONS 61 to 88 | |
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alluvial Alluvium amphibolite anomaly Aravalli bands basalt basement basic basin bed rock belt Bijawar biotite block boreholes chlorite clay comprising conglomerate Deccan Trap deformation deposits depth dips district dolomite drill holes dykes Engineering Geology Division exposed fault field season flood plain flows folds foliation Formation fractures Ganga geochemical geological mapping Geologist Jr geophysical GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade grained granite granite gneiss granitoids grey Group indicated intrusive joints kmē lava limestone lineaments located MADHYA PRADESH MADHYA PRADESH Code magnetic MAHARASHTRA metamorphism mica schist mineral mineralisation Nagpur Narmada occur Older Alluvium pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Quaternary Rajasthan regional rhyolite river Sakoli samples sand sandstone scale schist sediments sequence shale shear zone Siwalik slope soil sq km stratigraphic studies sulphide Supergroup surface surveys terrace thick tion toposheet traversed trending tunnel ultramafic Unconformity upto Uttar Pradesh Varanasi Older volcanic