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 103
... Upper Assam , however , estuarine conditions prevailed during the Oligocene times also when the thick coal seams of Makum and other fields were deposited in the form of drifted terrestrial vegetal matter . Assam The coal measures in ...
... Upper Assam , however , estuarine conditions prevailed during the Oligocene times also when the thick coal seams of Makum and other fields were deposited in the form of drifted terrestrial vegetal matter . Assam The coal measures in ...
Page 110
... upper three to five metres of Bijaigarh shales , below the contact of overlying scarps and- stone , show disseminations , concentrations and stringers of pyrite , mostly along the planes of stratification . On weathering , pyrite ...
... upper three to five metres of Bijaigarh shales , below the contact of overlying scarps and- stone , show disseminations , concentrations and stringers of pyrite , mostly along the planes of stratification . On weathering , pyrite ...
Page 154
... upper grey band but the quality varies within very short distances along the strike and the dip . The thickness of the upper grey band varies from 10 to 17.5 m . and the lower band is 11 m . thick . Indicated reserves upto 33 m . depth ...
... upper grey band but the quality varies within very short distances along the strike and the dip . The thickness of the upper grey band varies from 10 to 17.5 m . and the lower band is 11 m . thick . Indicated reserves upto 33 m . depth ...
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