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 35
... chert formation is seen occupying a hill top . The trend of this breccia , is N80 ° E- S80 ° W and dips 45 ° towards south . This trend is at an angle to the other fault braccia trending NW - SE . It is a leucocratic massive rock ...
... chert formation is seen occupying a hill top . The trend of this breccia , is N80 ° E- S80 ° W and dips 45 ° towards south . This trend is at an angle to the other fault braccia trending NW - SE . It is a leucocratic massive rock ...
Page 43
... chert 60.30-60,90 20.25-20.35 white quartz vein 0.1 20 : 35-21.00 greyish white to white quartz with occasional pyrite and arsenopyrite specks 0.1 23.10-23.15 whitish grey 0.1 quartz vein with pyrite specks 60.50-60.80 chert bands with ...
... chert 60.30-60,90 20.25-20.35 white quartz vein 0.1 20 : 35-21.00 greyish white to white quartz with occasional pyrite and arsenopyrite specks 0.1 23.10-23.15 whitish grey 0.1 quartz vein with pyrite specks 60.50-60.80 chert bands with ...
Page 73
... chert bodies . A few of the chert bodies have radial cracks . filled with crystalline quartz . This has been described as magnetite tuff / agglomerate , with silica - carbonate magnetite bombs and flows ( GSI News , Vol . 8 , No. 4 , p ...
... chert bodies . A few of the chert bodies have radial cracks . filled with crystalline quartz . This has been described as magnetite tuff / agglomerate , with silica - carbonate magnetite bombs and flows ( GSI News , Vol . 8 , No. 4 , p ...
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