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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... period of 75 years . Even if factors or problems of reco- very are to be considered , the position will not be far different . + Analysing the world production of fluorite for 1970 , we find that out of 4.13 million tonnes produced by ...
... period of 75 years . Even if factors or problems of reco- very are to be considered , the position will not be far different . + Analysing the world production of fluorite for 1970 , we find that out of 4.13 million tonnes produced by ...
Page 36
... period of deformation ( F1 ) being sub - parallel to the axial trace of the latter . Crenulation cleavage or slip schistosity ( S. ) occurs discretely in mica - schist and phyllite at a high angle to the axial plane cleavage ( S1 ) or ...
... period of deformation ( F1 ) being sub - parallel to the axial trace of the latter . Crenulation cleavage or slip schistosity ( S. ) occurs discretely in mica - schist and phyllite at a high angle to the axial plane cleavage ( S1 ) or ...
Page 55
... periods 1st January to end of 1st February , March to 31st of May , 1st June to 30th Septem- ber and 1st October to 31st ... period , as all the residual deposits are confined to areas below 300m above m sl . The Mopa surface is the most ...
... periods 1st January to end of 1st February , March to 31st of May , 1st June to 30th Septem- ber and 1st October to 31st ... period , as all the residual deposits are confined to areas below 300m above m sl . The Mopa surface is the most ...
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