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 225
... laterite . The present channel route from Ch . 0 m to 450 m consists of terrace deposits , laterite and rolled rock boulders . Two boreholes were drilled in this area at Ch.470 m and Ch.520 where the elevation are +68.30 and 71.45 m ...
... laterite . The present channel route from Ch . 0 m to 450 m consists of terrace deposits , laterite and rolled rock boulders . Two boreholes were drilled in this area at Ch.470 m and Ch.520 where the elevation are +68.30 and 71.45 m ...
Page 227
... laterite cover is present over the bedrock . The intake location is proposed at 16.6 m from the weir and the tunnel alignment is given 3 kinks to have sufficient rock cover above the tunnel cover and joins the surge location , from the ...
... laterite cover is present over the bedrock . The intake location is proposed at 16.6 m from the weir and the tunnel alignment is given 3 kinks to have sufficient rock cover above the tunnel cover and joins the surge location , from the ...
Page 233
... laterite horizon . The thickness of laterite increases down slope . GEOTECHNICAL EVALUATION The geomorphic features of the area are favourable for the project . However , the proposal of using the surplus material for the construction ...
... laterite horizon . The thickness of laterite increases down slope . GEOTECHNICAL EVALUATION The geomorphic features of the area are favourable for the project . However , the proposal of using the surplus material for the construction ...
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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