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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Page 10
... tion , 6 , 30 and 15 meters long , within an overall length of 70 metres , running nearly end to end but in an en echelon pattern . The fluorite bearing zone has a maximum width of 1.5 metres . The dip of the zone is about 70 ° to NW ...
... tion , 6 , 30 and 15 meters long , within an overall length of 70 metres , running nearly end to end but in an en echelon pattern . The fluorite bearing zone has a maximum width of 1.5 metres . The dip of the zone is about 70 ° to NW ...
Page 33
... tion of a centimetre to a few metres . The phyllite and banded magnetite quartzite rocks are intimately interbanded ... tion attitude of phyllite and schist are generally concordant , having NNW - SSE to NW - SE direc- tion with gentle ...
... tion of a centimetre to a few metres . The phyllite and banded magnetite quartzite rocks are intimately interbanded ... tion attitude of phyllite and schist are generally concordant , having NNW - SSE to NW - SE direc- tion with gentle ...
Page 65
... tion of plagioclase and clinopyroxene - rich frac- tion , when the geothermal gradient was steep at the sites of emplacement ( syn or early kine . matic ) , and the deep seated crystallisation of the ultramafic members , explain the ...
... tion of plagioclase and clinopyroxene - rich frac- tion , when the geothermal gradient was steep at the sites of emplacement ( syn or early kine . matic ) , and the deep seated crystallisation of the ultramafic members , explain the ...
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