Records of the Geological Survey of India, Volume 102The Survey, 1972 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 21
... surface . The surface expression of the mineralised zone is a diagnostic dark brown / vermilion / brick - red gossan with cubic / cellular / honey - comb boxworks and diamond shaped / spear - shaped / globular / round voids . From the ...
... surface . The surface expression of the mineralised zone is a diagnostic dark brown / vermilion / brick - red gossan with cubic / cellular / honey - comb boxworks and diamond shaped / spear - shaped / globular / round voids . From the ...
Page 67
... surface . The orebody is harder near the surface and becomes softer with depth along with the increase in blue dust content . The top of the zone predominated by blue dust and powdery ore is sub- parallel to the surface profile , and ...
... surface . The orebody is harder near the surface and becomes softer with depth along with the increase in blue dust content . The top of the zone predominated by blue dust and powdery ore is sub- parallel to the surface profile , and ...
Page 106
... surface and sub - surface data have been accumulated for a better understanding of the geology and structure of the coal basins . The new wealth of data has given a boost to pursue many academic and practical research studies on various ...
... surface and sub - surface data have been accumulated for a better understanding of the geology and structure of the coal basins . The new wealth of data has given a boost to pursue many academic and practical research studies on various ...
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