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 22
... dolomite , commonly gritty / arkosic , and rarely includes carbonaceous marly slates and phyllites . Workable ore bodies are confined to dolomite . The most abundant sulphide minerals are galena , sphalerite and pyrite which vary in ...
... dolomite , commonly gritty / arkosic , and rarely includes carbonaceous marly slates and phyllites . Workable ore bodies are confined to dolomite . The most abundant sulphide minerals are galena , sphalerite and pyrite which vary in ...
Page 152
... Dolomites form the synclinal cores . Out- crop width of dolomite varies from 50 to 250 m . in deposit I near Ambua and 300 to 500 m . near Bordu . Inferred reserves up to 10 m . depth are : Deposit No. I. Flux grade ( CaO- 30 % , MgO ...
... Dolomites form the synclinal cores . Out- crop width of dolomite varies from 50 to 250 m . in deposit I near Ambua and 300 to 500 m . near Bordu . Inferred reserves up to 10 m . depth are : Deposit No. I. Flux grade ( CaO- 30 % , MgO ...
Page 157
... dolomite , dolomitic limestone , cherty dolomite and cherty limestone , with the bands varying in thickness from 0.5 to 5 m . and some- times upto 12 m . The limestone is grey , greyish white , bluish grey to dark grey in colour . It is ...
... dolomite , dolomitic limestone , cherty dolomite and cherty limestone , with the bands varying in thickness from 0.5 to 5 m . and some- times upto 12 m . The limestone is grey , greyish white , bluish grey to dark grey in colour . It is ...
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