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 84
... shows the presence of orthopyroxene formed at the expense of hornblende and / or biotite . EPMA studies of samples of incipient charnockite indicate presence of orthopyroxene ( hypersthene ) surrounded by clinopyroxene ( salite ) which ...
... shows the presence of orthopyroxene formed at the expense of hornblende and / or biotite . EPMA studies of samples of incipient charnockite indicate presence of orthopyroxene ( hypersthene ) surrounded by clinopyroxene ( salite ) which ...
Page 89
... shows a general NE - SW strike with a moderate SE dip . Quartzites are mylonitised and shows well developed S - C fabric with a sinistral sense of shear . Stretching lineations are very well developed on the mylonitic banding . - Two ...
... shows a general NE - SW strike with a moderate SE dip . Quartzites are mylonitised and shows well developed S - C fabric with a sinistral sense of shear . Stretching lineations are very well developed on the mylonitic banding . - Two ...
Page 128
... shows Opx - Cpx - plagioclase - quartz garnet assemblage and is enderbitic . Charnockite gneiss shows an assemblage of Opx - Cpx - plagiclase - quartz - honblende + garnet . Pyroxenes show marginal alteration to amphibole . Younger ...
... shows Opx - Cpx - plagioclase - quartz garnet assemblage and is enderbitic . Charnockite gneiss shows an assemblage of Opx - Cpx - plagiclase - quartz - honblende + garnet . Pyroxenes show marginal alteration to amphibole . Younger ...
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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