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
... mineralisation is in the sheared BIF within the volcano - sedimentary unit with quartz- carbonate veins and oxidised sulphides . The wall rock alteration in the form of sericitisation , chloritisation and carbonatisation is more ...
... mineralisation is in the sheared BIF within the volcano - sedimentary unit with quartz- carbonate veins and oxidised sulphides . The wall rock alteration in the form of sericitisation , chloritisation and carbonatisation is more ...
Page 59
... mineralised zones at their anticipated depths . Mineralisation has been observed mostly in sheared BIF , having ramifications of quartz - carbonate veins and impregnation of stringers of pyrite and pyrrhotite and specks and ...
... mineralised zones at their anticipated depths . Mineralisation has been observed mostly in sheared BIF , having ramifications of quartz - carbonate veins and impregnation of stringers of pyrite and pyrrhotite and specks and ...
Page 130
... mineralisation in the Attapadi valley . The work also envisages ore petrographic , fluid inclusion and stable isotopic studies to understand the genetic aspects of the mineralisation . EPMA studies would bring out the pressure ...
... mineralisation in the Attapadi valley . The work also envisages ore petrographic , fluid inclusion and stable isotopic studies to understand the genetic aspects of the mineralisation . EPMA studies would bring out the pressure ...
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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