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 31
... magnetite quartzite intruded by quartz veins and dolerite dykes . These rocks have undergone spasmodic folding resulting in antiforms and synforms which are corroborated by planar and linear structures . The detailed mapping revealed ...
... magnetite quartzite intruded by quartz veins and dolerite dykes . These rocks have undergone spasmodic folding resulting in antiforms and synforms which are corroborated by planar and linear structures . The detailed mapping revealed ...
Page 33
... magnetite quartzite and mica - schist intruded by quartz veins and dole . rite dykes . Argillite is the predominant litho- logical unit which is frequently inter - banded and intercalated with phyllite and mica schist in varying ...
... magnetite quartzite and mica - schist intruded by quartz veins and dole . rite dykes . Argillite is the predominant litho- logical unit which is frequently inter - banded and intercalated with phyllite and mica schist in varying ...
Page 35
... quartzite is associated with grunerite . Whitish band is composed of siliceous matter consisting of equant grains of quartz while the ferruginous band consists of irregular shaped to perfect automorphic cubes and octahedra of magnetite ...
... quartzite is associated with grunerite . Whitish band is composed of siliceous matter consisting of equant grains of quartz while the ferruginous band consists of irregular shaped to perfect automorphic cubes and octahedra of magnetite ...
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 |
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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