Records of the Geological Survey of India, Volume 110The Survey, 1978 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 196
... quartz veins , one is auriferous which is located at the contact of tuff with schistose amphibolites . The lode is traceable over a strike length of 300m . One ( VBH - 42 ) of the four boreholes drilled to test this mineralised quartz vein ...
... quartz veins , one is auriferous which is located at the contact of tuff with schistose amphibolites . The lode is traceable over a strike length of 300m . One ( VBH - 42 ) of the four boreholes drilled to test this mineralised quartz vein ...
Page 217
... quartz veins and pegmatites traverse the metasediments and the granites . Research Projects Under an item of petrographic studies of granites of Gujarat , S. Bandopadhyay mapped grey porphyritic granite , pink granite and pink aplitic ...
... quartz veins and pegmatites traverse the metasediments and the granites . Research Projects Under an item of petrographic studies of granites of Gujarat , S. Bandopadhyay mapped grey porphyritic granite , pink granite and pink aplitic ...
Page 226
... quartz veins , ultramafic bodies and dolerite dykes . Surface indications of mineralisa- tion are malchite stains , old workings , small gossanised patches and slag dumps . Mineralisation is associated with quartz veins traversing ...
... quartz veins , ultramafic bodies and dolerite dykes . Surface indications of mineralisa- tion are malchite stains , old workings , small gossanised patches and slag dumps . Mineralisation is associated with quartz veins traversing ...
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amphibolite Andhra Pradesh anomaly anorthosite Archaean Asstt bands Banerjee basalt basemetal basin bauxite belt Bihar biotite boreholes Calcutta carried chalcopyrite charnockite clay coal conglomerate deposits depth dips district dolerite dolomite drilling dykes Eastern facies folds Formation fossils Gangpur geochemical Geol Surv Ind Geological Survey Geologist Jr Geology Division Geophysical geotechnical Ghosh gneiss Gondwana granite granite gneiss granulite Gupta Headquarters indicated intrusive investigated Kumar Laboratory laterite lava limestone line km Madhya Pradesh magnetite Mallampalli mapped metamorphism mineral mineralisation Mulug Murthy nala occur Orissa Pakhal pegmatite phyllite Precambrian Project pyrite quartz veins quartzite Rajasthan Rec Geol Surv region river S/Shri samples sand sandstone Sarkar scale schist seams sedimentary sediments sequence shale shear zone Shri Singh Singhbhum granite Sinha sq km sq km area Srivastava stratigraphic structures studies Sullavai Supergroup Survey of India tectonic thick traverse trending tunnel upto valley Vindhyan volcanic West Bengal