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 58
... represented by the hyper- sthene bearing porphyroblastic gneisses , quartz , orthoclase ( perthite ) , hypersthene and diopside . Coarse grained hypersthenites and enstatolites are found at places as impersistent lensoidal bands within ...
... represented by the hyper- sthene bearing porphyroblastic gneisses , quartz , orthoclase ( perthite ) , hypersthene and diopside . Coarse grained hypersthenites and enstatolites are found at places as impersistent lensoidal bands within ...
Page 59
... represents the second and the most dominant phase of fold . ing , F. The folds are open to tight on mega- scopic scale ... represent the denuded remnants of a major southerly plunging synformal structure . Faults and minor slips are ...
... represents the second and the most dominant phase of fold . ing , F. The folds are open to tight on mega- scopic scale ... represent the denuded remnants of a major southerly plunging synformal structure . Faults and minor slips are ...
Page 73
... represent cooling cracks and the silica material has taken crystalline nature along the cracks . During dehydration ... represent volcanic bomb , but represents simple septerian structure of sedimentary origin . The other sample ...
... represent cooling cracks and the silica material has taken crystalline nature along the cracks . During dehydration ... represent volcanic bomb , but represents simple septerian structure of sedimentary origin . The other sample ...
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