Records of the Geological Survey of India, Volume 140, Part 5The Survey, 2007 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 139
... foundation geological mapping and assessment for the central blocks 4 to 9 between chs . 20 and 140 m in the main gap , has been carried out on 1 : 100 scale . The general foundation levels vary from +190 m to +194 m in the main valley ...
... foundation geological mapping and assessment for the central blocks 4 to 9 between chs . 20 and 140 m in the main gap , has been carried out on 1 : 100 scale . The general foundation levels vary from +190 m to +194 m in the main valley ...
Page 140
... Foundation geological mapping and assessment for the N.O.F. dam blocks 1 to 5 and part of 6 in the left flank hill between ch . 0/0 to 155 m , and blocks 9 to 16 lying between ch . 240 and 380 m in the right flank hill , has been ...
... Foundation geological mapping and assessment for the N.O.F. dam blocks 1 to 5 and part of 6 in the left flank hill between ch . 0/0 to 155 m , and blocks 9 to 16 lying between ch . 240 and 380 m in the right flank hill , has been ...
Page 141
... foundation . Closely spaced and sheared joints occur generally along E - W direction , where the strata are partially weathered . The foundation strata have been scoured down to RLS +162 to +163 m along such joints by Gottipadia stream ...
... foundation . Closely spaced and sheared joints occur generally along E - W direction , where the strata are partially weathered . The foundation strata have been scoured down to RLS +162 to +163 m along such joints by Gottipadia stream ...
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Common terms and phrases
abutment Additional Item amphibolite ANDHRA PRADESH bed rock biotite block boreholes boreholes drilled carried charnockite clay CONSTRUCTION STAGE GEOTECHNICAL cover Cuddapah cut off trench cut-off depth DISTRICT dolerite dolerite dyke downstream earth dam excavated exposed field season flank foliation Formation foundation fresh rock garnet garnetiferous geological mapping GEOTECHNICAL INVESTIGATION gneiss gold granite granitoids granulite gravity grey ground level hornblende indicated intrusive joints KARNATAKA KERALA Khondalite kimberlite Kumar laterite limestone lineament located magnetite migmatite mineralisation minerals moderate monzogranite NE-SW NW-SE overburden pegmatite Peninsular Gneissic Complex penstock permeability tests powerhouse project authorities proposed Puducherry pyroxene pyroxene granulite quartz quartz veins quartzite river rock types samples schist Schist belt seismic shale shear zone slope soil Specialised Thematic Mapping spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike length structure studies suggested Tamil Nadu terrain thickness toposheet traversed tunnel upto values varies vertical weir width