Records of the Geological Survey of India, Volume 131, Parts 5-6The Survey, 1996 - 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 145
... tunnel ( HRT ) , adit to penstock tunnel and tailrace tunnel ( TRT ) are dealt with . In the HRT , where heavy seepage of water from the existing Srisailam reservoir has been continuing despite cement grouting both from inside and ...
... tunnel ( HRT ) , adit to penstock tunnel and tailrace tunnel ( TRT ) are dealt with . In the HRT , where heavy seepage of water from the existing Srisailam reservoir has been continuing despite cement grouting both from inside and ...
Page 163
... tunnels , driving of the 3055 m long Porthimund power tunnel and 751 m long Parsons valley power tunnel is nearing completion . PORTHIMUND GATE SHAFT : The 5 m diameter and 41 m deep gate shaft has been sunk in a self - supporting ...
... tunnels , driving of the 3055 m long Porthimund power tunnel and 751 m long Parsons valley power tunnel is nearing completion . PORTHIMUND GATE SHAFT : The 5 m diameter and 41 m deep gate shaft has been sunk in a self - supporting ...
Page 164
... tunnel , a 6 m stretch of weathered pegmatite medium from Ch 460 m to 466 m posed stability problems and hence is ... TUNNEL INTO POWER TUNNEL : In accordance with the request made by the project authorities , assessment of the ...
... tunnel , a 6 m stretch of weathered pegmatite medium from Ch 460 m to 466 m posed stability problems and hence is ... TUNNEL INTO POWER TUNNEL : In accordance with the request made by the project authorities , assessment of the ...
Contents
ANDHRA PRADESH | 1 |
JonnagiriKadiriGadwal Schist Belts | 23 |
Diamond | 33 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite assess auriferous bands basalt basin bed rock biotite block borehole carried charnockite chert clay Cuddapah Deccan Deccan Trap depth dimensional stone DISTRICT dolerite downstream drilling dykes excavation exposed fault field season folds foliation Formation foundation gabbro geochemical GEOLOGICAL MAP GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold mineralisation Gondwana grained granite granulite gravity grouting holes indicated joints Karnataka Kerala kimberlite laterite lineaments located lode magnetic Maharashtra metamorphism migmatite mineral mineralised zone NE-SW NNW-SSE NW-SE occurs pegmatite phyllite pyrite quarries quartz quartz veins quartzite Quaternary regional reservoir river samples sandstone Sausar scale schist schist belt sediments seepage shale shear zone slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATIONS strike length structure studies sulphide TAMIL NADU tectonic thickness traverse trench trending tuff tunnel upto vertical volcanic weathered width एवं का की के क्षेत्र गया में है