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 57
... wall rock alteration . Wall rock alteration is characterised by intense silicification indicated in the form of quartz - carbonate veins / veinlets , sericitisation , chloritisation , muscovitisation and carbonatisation . Investigation ...
... wall rock alteration . Wall rock alteration is characterised by intense silicification indicated in the form of quartz - carbonate veins / veinlets , sericitisation , chloritisation , muscovitisation and carbonatisation . Investigation ...
Page 162
... walls will be constructed between the units in the pit abutting from upstream wall to downstream wall up to about RL + 302.5 m , which will act as in built supports to the vertical walls of the pit at lower level . Keeping in view of ...
... walls will be constructed between the units in the pit abutting from upstream wall to downstream wall up to about RL + 302.5 m , which will act as in built supports to the vertical walls of the pit at lower level . Keeping in view of ...
Page 241
... wall of the open cut area even though looks stable now , may fail at later stage . It was recommended that a suitable retaining structure may be designed if easing of the slope is not possible . Fresh and massive migmatitic gneiss ...
... wall of the open cut area even though looks stable now , may fail at later stage . It was recommended that a suitable retaining structure may be designed if easing of the slope is not possible . Fresh and massive migmatitic gneiss ...
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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