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
... gold , an area of about 100 sq km was mapped on 63,360 scale around Chinmulgund , Hirekerur taluk , Dharwar district , Karnataka in toposheet No. 48N / 6 . The prominent rock types observed are mica - schist , phyllite , argillite ...
... gold , an area of about 100 sq km was mapped on 63,360 scale around Chinmulgund , Hirekerur taluk , Dharwar district , Karnataka in toposheet No. 48N / 6 . The prominent rock types observed are mica - schist , phyllite , argillite ...
Page 37
... gold was prevailing during the regime of Vijay- nagar Kings and Tipu Sultan . The geologic setting of gold mineralisa- tion in Chinmulgund area is confined to banded magnetite quartzite . Three prominent persistent magnetite bands have ...
... gold was prevailing during the regime of Vijay- nagar Kings and Tipu Sultan . The geologic setting of gold mineralisa- tion in Chinmulgund area is confined to banded magnetite quartzite . Three prominent persistent magnetite bands have ...
Page 39
... gold . 6 as This block has 5 major prospects , some inclines and some open cast mines as Most of the samples showed more than one gm / tonne gold . One sample from AW No. 13 gave 26 gm / tonne gold over 0.10 m width . Geochemical ...
... gold . 6 as This block has 5 major prospects , some inclines and some open cast mines as Most of the samples showed more than one gm / tonne gold . One sample from AW No. 13 gave 26 gm / tonne gold over 0.10 m width . Geochemical ...
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