Records of the Geological Survey of India, Volume 102Geological Survey of India, 1972 - Earthquakes |
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Page 20
... stratigraphic position of the host rock does not by itself define the metallogenetic epoch . Nevertheless , it will be seen from the following description of representative ore deposits that there is a discernible correlation between ...
... stratigraphic position of the host rock does not by itself define the metallogenetic epoch . Nevertheless , it will be seen from the following description of representative ore deposits that there is a discernible correlation between ...
Page 32
... stratigraphic separation between galena mineralisation occupying the upper levels and chalcopyrite mine- ralisation ... stratigraphic- tectonic - magmatic framework of base metal mineralisation is displayed in Gani - Kalava and ...
... stratigraphic separation between galena mineralisation occupying the upper levels and chalcopyrite mine- ralisation ... stratigraphic- tectonic - magmatic framework of base metal mineralisation is displayed in Gani - Kalava and ...
Page 37
... stratigraphic sequence . The concept of favourable stratigraphic zones within volcanic sedimentary piles now constitutes a working hypothesis for search of hidden base metal mineralisation and has already been applied successfully in ...
... stratigraphic sequence . The concept of favourable stratigraphic zones within volcanic sedimentary piles now constitutes a working hypothesis for search of hidden base metal mineralisation and has already been applied successfully in ...
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