Records of the Geological Survey of India, Volume 102, Part 2The Survey, 1972 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 146
... varies from W.N.W.-E.S.E. to almost north - south with dips at 30 ° to 85 ° to- wards north - east . The limestones are generally low in MgO ( less than 3 % ) while insolu- bles are high . The insoluble content is maximum in the ...
... varies from W.N.W.-E.S.E. to almost north - south with dips at 30 ° to 85 ° to- wards north - east . The limestones are generally low in MgO ( less than 3 % ) while insolu- bles are high . The insoluble content is maximum in the ...
Page 149
... varies in thickness from 5 to 170 m . It is overlain by dolomitic and argillaceous limestones , which in turn are overlain by a quartzite . Strike of the beds varies from N.25 ° -45 ° W . with dips from 10 ° to 30 ° towards north - east ...
... varies in thickness from 5 to 170 m . It is overlain by dolomitic and argillaceous limestones , which in turn are overlain by a quartzite . Strike of the beds varies from N.25 ° -45 ° W . with dips from 10 ° to 30 ° towards north - east ...
Page 157
... varying between 2 ° to 9 ° towards E.S.E. S.N. Gupta ( 1963-64 , G.S.I. report ) collected four samples which on analyses show CaO - 52.6 to 54.0 % , MgO - 1.20 to 1.81 % and Insol . - 1.6 ... varies between N.W.-S.E. and N.E.-S.W. with 157.
... varying between 2 ° to 9 ° towards E.S.E. S.N. Gupta ( 1963-64 , G.S.I. report ) collected four samples which on analyses show CaO - 52.6 to 54.0 % , MgO - 1.20 to 1.81 % and Insol . - 1.6 ... varies between N.W.-S.E. and N.E.-S.W. with 157.
Contents
VOLUME 102 PART | 1 |
Copper Lead and Zinc by P K Banerjee | 19 |
Gold by S Narayanaswami and M Ziauddin 4150 | 41 |
Copyright | |
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amphibolite Andhra Pradesh apatite Assam associated average bands base metal basins bauxite belt Bihar Block boreholes cement grade chalcopyrite chert Chowdhury chromite coalfields colour containing copper depth disseminations district dolomite drilling exploration fault ferruginous fields flux grade folds formation G.S.I. report Geol geological Ghosh gneiss gold goldfield Gondwana gossan grade limestone grained granite grey Gujarat hematite hill 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 mines Mysore occur orebodies Orissa P₂O 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 sub-basins sulphide Surv syncline Tamil Nadu tectonic thickness Udaipur ultramafic ultramafic bodies ultramafites upto varies Vindhyan width workable