Records of the Geological Survey of India, Volume 133, Parts 6-7Government of India, 1998 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 18
... quartz veins and associated sulphides . General trend of mineralised zones is E - W to NNW - SSE which is subparallel to S2 & S2 foliation developed during D2 and D , deformation . Auriferous quartz veins are 30 m to 360 m in length . These ...
... quartz veins and associated sulphides . General trend of mineralised zones is E - W to NNW - SSE which is subparallel to S2 & S2 foliation developed during D2 and D , deformation . Auriferous quartz veins are 30 m to 360 m in length . These ...
Page 21
... quartz veins along brittle shear zone in an enechelon pattern and quartz - epidote - garnet veins , with gold - copper mineralisation , are the other rock types occurring in the area . At least four phases of deformation have been ...
... quartz veins along brittle shear zone in an enechelon pattern and quartz - epidote - garnet veins , with gold - copper mineralisation , are the other rock types occurring in the area . At least four phases of deformation have been ...
Page 107
... quartz veins are recorded : 1 ) Light grey quartz veins . 2 ) Dark grey to black quartz veins . 3 ) White quartz veins . The thickness of quartz veins varies from less than 1 cm to 10 metres . Thicker veins are associated with quartz ...
... quartz veins are recorded : 1 ) Light grey quartz veins . 2 ) Dark grey to black quartz veins . 3 ) White quartz veins . The thickness of quartz veins varies from less than 1 cm to 10 metres . Thicker veins are associated with quartz ...
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Common terms and phrases
amphibolite anomaly associated bands basalt base metal basin belt Bhilwara biotite block boreholes carried clinopyroxene comprises CONSTRUCTION STAGE GEOTECHNICAL core covered database Deccan Trap depth dips drilling dykes exploration exposed fault field season flows folds foliation Formation foundation geochemical Geoenvironmental geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold grade grained granite granulite gravity grey Gujarat indicate intersected intrusive Jaisalmer joints Khandwa kimberlite kmĀ² area lava tube limestone lineament located MADHYA PRADESH magnetic Maharashtra metamorphism mineralised zones minerals nala NE-SW NW-SE occur Pandhana pegmatite phase of deformation phenocrysts phyllite plagioclase porphyritic Proterozoic quartz quartz veins quartzite Rajasthan Rajsamand district regional river samples sandstone Sausar scale schist sediments sequence shear zones Sidhi district soil stage geotechnical investigation strike length structure studies sulphide Supergroup survey tectonic thematic maps thick toposheet traversed trench trending tuff ultramafic upto vertical volcanic width