Records of the Geological Survey of India, Volume 135, Parts 4-5Government of India, 2000 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 13
... gold mineralisation , detailed geological , geochemical and geophysical surveys aided by scout drilling were initiated to identify promising zones of gold mineralisation in the western and southern extensions of JSB . ASSESSMENT OF GOLD ...
... gold mineralisation , detailed geological , geochemical and geophysical surveys aided by scout drilling were initiated to identify promising zones of gold mineralisation in the western and southern extensions of JSB . ASSESSMENT OF GOLD ...
Page 118
... gold - bearing quartz veins to sheared zones suggests that the control of gold mineralisation is mainly structural . The fact that the middle major shear transects the nosal portion of the tight F , fold indicate that the timing of ...
... gold - bearing quartz veins to sheared zones suggests that the control of gold mineralisation is mainly structural . The fact that the middle major shear transects the nosal portion of the tight F , fold indicate that the timing of ...
Page 119
... gold over a very large area in the migmatitic terrain , thereby indicating hidden primary gold sources . However , the charnockitic terrain yielded negative results of panning . Based on the distribution pattern of gold values of the ...
... gold over a very large area in the migmatitic terrain , thereby indicating hidden primary gold sources . However , the charnockitic terrain yielded negative results of panning . Based on the distribution pattern of gold values of the ...
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh Arunachal Pradesh Assam bands Basin bedrock biotite block boreholes Brahmaputra carried charnockite Chitradurga clay contour Cuddapah depth district drilled dykes east eastern excavation fault flood plain folds foliation Formation foundation fractures geoenvironmental geological mapping Geotechnical Investigation gneiss gold mineralisation gold values granite granite gneiss granulite gravity grey ground water Group hills indicated joints Karnataka Kerala khondalite kimberlite Krishna Kurnool lamproite limestone lineament located magnetic Meghalaya metabasalt migmatite mineral Mizoram NE-SW NW-SE occur pegmatite Peninsular Gneissic Complex penstock phyllite pink powerhouse Project proposed quartz quartz veins quartzite Quaternary regional river rock samples sand sandstone scale schist belt Serchhip shale shear zone slope soil southern Specialised Thematic Mapping sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structural studies sulphide surface surveys Tamil Nadu terrain thick toposheets traversed trench trending tunnel valley village weathered width के