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 174
... fresh granite is exposed and to clear the muck above the foundation for carrying out geological mapping . The exploration carried out in the reach between 270 m and 720 m indicated availability of fresh granite at depths varying from 5 ...
... fresh granite is exposed and to clear the muck above the foundation for carrying out geological mapping . The exploration carried out in the reach between 270 m and 720 m indicated availability of fresh granite at depths varying from 5 ...
Page 210
... Fresh and moderately weathered grey coloured massive charnockite intruded by a basic dyke is exposed in the river bed and left abutment . The right abutment has been cut vertically where fresh charnockite is exposed for a height of 1 m ...
... Fresh and moderately weathered grey coloured massive charnockite intruded by a basic dyke is exposed in the river bed and left abutment . The right abutment has been cut vertically where fresh charnockite is exposed for a height of 1 m ...
Page 230
... fresh rock depth at this point . Based on the fresh rock depth the tunnel intake point can be decided . SURGE AND PRESSURE SHAFT The surge is located 105 m downstream of the nala crossing ch.1610 m . The borehole drilled at this ...
... fresh rock depth at this point . Based on the fresh rock depth the tunnel intake point can be decided . SURGE AND PRESSURE SHAFT The surge is located 105 m downstream of the nala crossing ch.1610 m . The borehole drilled at this ...
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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