Records of the Geological Survey of India, Volume 102Geological Survey of India, 1972 - Earthquakes |
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Page 21
... minerals in the deposits are sphalerite , galena , pyrite , and pyrrhotite . Other associated hypogene minerals are chal- copyrite , bornite , cubanite , vallerite , geocronite , boulangerite , bournonite , gratonite , tetrahedrite ...
... minerals in the deposits are sphalerite , galena , pyrite , and pyrrhotite . Other associated hypogene minerals are chal- copyrite , bornite , cubanite , vallerite , geocronite , boulangerite , bournonite , gratonite , tetrahedrite ...
Page 29
... minerals are chalcopyrite , pyrite and pyrrhotite . Primary minerals sparingly present are violarite , pentlandite , vallerite , niccolite , cubanite , galena , pyrargyrite , tetradymite , marcasite , covellite , bravoite , arsenopyrite ...
... minerals are chalcopyrite , pyrite and pyrrhotite . Primary minerals sparingly present are violarite , pentlandite , vallerite , niccolite , cubanite , galena , pyrargyrite , tetradymite , marcasite , covellite , bravoite , arsenopyrite ...
Page 32
... minerals are locally associated with quartz , calcite and barytes veins . Secondary minerals include chalcocite , covellite , malachite and azurite , besides iron and manganese oxides , which form the essential minerals in the red ...
... minerals are locally associated with quartz , calcite and barytes veins . Secondary minerals include chalcocite , covellite , malachite and azurite , besides iron and manganese oxides , which form the essential minerals in the red ...
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