Records of the Geological Survey of India, Volume 113, Part 5government of India., 1980 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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... places , upto 3 metres wide . Five boreholes were put to a maximum depth of 81 metres . The data indicated that distinct veins get poorer at depth and fluorspar gets disseminated . About 0.5 million tonnes of indicated reserves of ...
... places , upto 3 metres wide . Five boreholes were put to a maximum depth of 81 metres . The data indicated that distinct veins get poorer at depth and fluorspar gets disseminated . About 0.5 million tonnes of indicated reserves of ...
Page 34
... places , plagioclase is absent . Schis- tosity is well defined by flaky minerals musco- vite and biotite . Quartz grains exhibit strong undulose extinction . At places , biotite concen- tration is more , imparting distinct banding ...
... places , plagioclase is absent . Schis- tosity is well defined by flaky minerals musco- vite and biotite . Quartz grains exhibit strong undulose extinction . At places , biotite concen- tration is more , imparting distinct banding ...
Page 36
... places , indica- tes that S1 is an axial plane schistosity . This structure is synchronous with the first period of ... places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places ...
... places , indica- tes that S1 is an axial plane schistosity . This structure is synchronous with the first period of ... places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places ...
Contents
Certain aspects of the occurrence of fluorite in India and its exploration | 1 |
Gold mineralisation and geology around Chinmulgund area Dharwar district | 31 |
A note on the mineragraphy of sulphide ores of Kalyadi area Karnataka State | 46 |
Copyright | |
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Common terms and phrases
alkaline rocks Ambadongar Andhra Pradesh anorthosite associated axial banded magnetite quartzite basalt biotite borehole breccia CaF2 calcite carbonate carbonatite chalcopyrite Charnockite Charnockite Group chert Chinmulgund chlorite chromiferous chromite chromitite colour complex confidence limits Cretaceous deformation deposits Dharwar diopside district emplacement Felsite fluorite fluorspar folds formation fractures gabbro gabbroic Geol Geological Survey germ pore gm/tonne gneiss GOKUL gold grade grains granite granulite Gujarat host rock hydrothermal hypersthene igneous intrusives Kondapalli hills laterite layering limestone magma magnetite mapping metres million tonnes mineralisation minerals minor Neyveli lignite occurrences olivine orthopyroxenite percent Fe phyllite plagioclase plane pluton pollen pyrite pyroxene pyroxenite pyrrhotite quarry quartz quartz veins quartzite Ramanujam Records reserves Rhyolite rock types rust fungi samples schist schistose sediments spores Stromatolites structure sulphide Survey of India syenite taluks teliospores Tertiary thick tion titles trend ultramafic Unpublished GSI Report upto veinlets volcanic websterite