Records of the Geological Survey of India, Volume 102Geological Survey of India, 1972 - Earthquakes |
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Page 21
... major north - easterly plunging upright to overturned syncline , traceable discontinuously over a distance of 67 km . from N.E. to S.W. with curviplaner axial plane changing in trend from north - south in the southern part to N.E.-S.W. ...
... major north - easterly plunging upright to overturned syncline , traceable discontinuously over a distance of 67 km . from N.E. to S.W. with curviplaner axial plane changing in trend from north - south in the southern part to N.E.-S.W. ...
Page 44
... major concentration of payable ore has been along the major axis of cross - folding in the central part of the fields and has largely been mined " out to great depths . The chances of finding out new lodes of similar extent and grade ...
... major concentration of payable ore has been along the major axis of cross - folding in the central part of the fields and has largely been mined " out to great depths . The chances of finding out new lodes of similar extent and grade ...
Page 96
... major sub - basins , viz . , Kaitha ( Bose , 1966 , G. S. I. report ) ; Semarbera , and the eastern major sub - basin comprising three still smaller sub - basins . The Taping ( Dutt , 1964 , G. S. I. report ) ; and Kasikhap ...
... major sub - basins , viz . , Kaitha ( Bose , 1966 , G. S. I. report ) ; Semarbera , and the eastern major sub - basin comprising three still smaller sub - basins . The Taping ( Dutt , 1964 , G. S. I. report ) ; and Kasikhap ...
Contents
VOLUME 102 PART | 1 |
Copper Lead and Zinc by P K Banerjee | 19 |
4150 | 41 |
Copyright | |
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amphibolite Andhra Pradesh Assam associated average bands base metal basin bauxite bauxite deposits belt Bihar Block boreholes cement grade chalcopyrite chert Chowdhury chromite coal coalfields colour containing copper depth disseminations district dolomite drilling exploration ferruginous fields fluorite flux grade folds formation G.S.I. report Geol geological Ghosh gneiss gold goldfield Gondwana gossan grade limestone grained granite grey Gujarat hematite hill Himalaya horizon hydrothermal India indicated inferred reserves intrusives iron Karanpura kyanite laterite lenses lenticular limestone localised located lodes Madhya Pradesh magmatic Maharashtra manganese manganese-ore massive metres million tonnes mineralisation minerals Mysore occur orebodies Orissa pegmatites phosphate phosphorite phyllites plateau Pre-Cambrian pyrite pyrite bed pyrrhotite quartz veins quartzite Rajasthan Raniganj region Riphean samples sandstone schist seams sedimentary sediments shales shear zone siliceous sillimanite Singhbhum stratigraphic strike length sulphide Surv syncline Tamil Nadu tectonic thickness Udaipur ultramafic ultramafic bodies ultramafites upto varies Vindhyan width workable