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 44
... sericite - schists and conglomerates , intruded by granite , quartz porphyry , felsite , gabbro and dolerite . The regional structure is a N.N.W. plunging isoclinal syncline resulting from dextral cross - folding . Auriferous quartz ...
... sericite - schists and conglomerates , intruded by granite , quartz porphyry , felsite , gabbro and dolerite . The regional structure is a N.N.W. plunging isoclinal syncline resulting from dextral cross - folding . Auriferous quartz ...
Page 45
... sericite - chlorite- phyllite , quartz - sericite - schist and ferruginous quartzite , injected with auriferous quartz - veins and cut across by dykes of dolerite . The geological structure consists of a south plunging anticlinal cross ...
... sericite - chlorite- phyllite , quartz - sericite - schist and ferruginous quartzite , injected with auriferous quartz - veins and cut across by dykes of dolerite . The geological structure consists of a south plunging anticlinal cross ...
Page 51
... sericite - sillimanite- gneiss , quartz - sericite - sillimanite - garnet - gneiss , dolerite and quartz - hematite- tourmaline rock form the main rock types . In general the gneissic foliation trends approximately east - west with ...
... sericite - sillimanite- gneiss , quartz - sericite - sillimanite - garnet - gneiss , dolerite and quartz - hematite- tourmaline rock form the main rock types . In general the gneissic foliation trends approximately east - west with ...
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