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 214
... observed at an elevation of between EL . 1484 and EL . 1490 which was later rectified by the project authorities . No adverse geological features observed in the dam and its vicinity and no distress found in the dam structure . To ...
... observed at an elevation of between EL . 1484 and EL . 1490 which was later rectified by the project authorities . No adverse geological features observed in the dam and its vicinity and no distress found in the dam structure . To ...
Page 219
... observed in the area . Fresh hornblende biotite gneiss is exposed on both the abutments and as well as on the upstream and downstream of the dam . Well developed foliation with strike varying from N20 ° to 40 ° E - S 20 ° to 40 ° W ...
... observed in the area . Fresh hornblende biotite gneiss is exposed on both the abutments and as well as on the upstream and downstream of the dam . Well developed foliation with strike varying from N20 ° to 40 ° E - S 20 ° to 40 ° W ...
Page 273
... observed in the NW- SE direction from Masidoddi to Yermarus with 2 to 3 mGal anomaly reflecting subsurface features . Northwest of Yermamarus about 3 mGal gravity anomaly closures over the background value , probably representing a 3D ...
... observed in the NW- SE direction from Masidoddi to Yermarus with 2 to 3 mGal anomaly reflecting subsurface features . Northwest of Yermamarus about 3 mGal gravity anomaly closures over the background value , probably representing a 3D ...
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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