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 iii
... indicated lean gold values of < 100 ppb . In C.K.Halli - Gollarahatti tract , the gold values from the mineralised zones are of marginal nature , but the carbon phyllite associated with these lodes shows high values of gold ranging from ...
... indicated lean gold values of < 100 ppb . In C.K.Halli - Gollarahatti tract , the gold values from the mineralised zones are of marginal nature , but the carbon phyllite associated with these lodes shows high values of gold ranging from ...
Page 14
... indicating some ancient working activity . Both these zones were tested with ten boreholes drilled at 100 m strike interval . The results so far received indicated moderate to poor gold - bearing zones ranging in grade from 1.02 to 5.96 ...
... indicating some ancient working activity . Both these zones were tested with ten boreholes drilled at 100 m strike interval . The results so far received indicated moderate to poor gold - bearing zones ranging in grade from 1.02 to 5.96 ...
Page 168
... indicated availability of fresh bedrock within maximum 10 m and , therefore , construction of anchor blocks is expected to be smooth . The seismic survey for the lower dam has indicated that overburden on the right flank varies from 9 m ...
... indicated availability of fresh bedrock within maximum 10 m and , therefore , construction of anchor blocks is expected to be smooth . The seismic survey for the lower dam has indicated that overburden on the right flank varies from 9 m ...
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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