Records of the Geological Survey of India, Volume 131, Parts 5-6The Survey, 1996 - 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 24
... pegmatite and quartz veins . In the Chetlamallapuram - north block , an ENE - WSW trending pegmatite body ( akin to quartz syenite ) , 800 m long is emplaced within agglomerate and granite . The pegmatite consists of coarse pink ...
... pegmatite and quartz veins . In the Chetlamallapuram - north block , an ENE - WSW trending pegmatite body ( akin to quartz syenite ) , 800 m long is emplaced within agglomerate and granite . The pegmatite consists of coarse pink ...
Page 28
... pegmatite and quartz veins are emplaced in a NNW - SSE trending shear zone . Wall rock alterations viz . , sericitisation , chloritisation , silicification and epidotisation are recorded . ( Plate - 1 ) . Traverse mapping of an area of ...
... pegmatite and quartz veins are emplaced in a NNW - SSE trending shear zone . Wall rock alterations viz . , sericitisation , chloritisation , silicification and epidotisation are recorded . ( Plate - 1 ) . Traverse mapping of an area of ...
Page 169
... pegmatite located most upstream continues beyond the axis of the dam towards the reservoir and preferential seepage through this zone is apprehended . The strike extension of this pegmatite zone towards basins II , III and IV could also ...
... pegmatite located most upstream continues beyond the axis of the dam towards the reservoir and preferential seepage through this zone is apprehended . The strike extension of this pegmatite zone towards basins II , III and IV could also ...
Contents
ANDHRA PRADESH | 1 |
JonnagiriKadiriGadwal Schist Belts | 23 |
Diamond | 33 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite assess auriferous bands basalt basin bed rock biotite block borehole carried charnockite chert clay Cuddapah Deccan Deccan Trap depth dimensional stone DISTRICT dolerite downstream drilling dykes excavation exposed fault field season folds foliation Formation foundation gabbro geochemical GEOLOGICAL MAP GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold mineralisation Gondwana grained granite granulite gravity grouting holes indicated joints Karnataka Kerala kimberlite laterite lineaments located lode magnetic Maharashtra metamorphism migmatite mineral mineralised zone NE-SW NNW-SSE NW-SE occurs pegmatite phyllite pyrite quarries quartz quartz veins quartzite Quaternary regional reservoir river samples sandstone Sausar scale schist schist belt sediments seepage shale shear zone slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATIONS strike length structure studies sulphide TAMIL NADU tectonic thickness traverse trench trending tuff tunnel upto vertical volcanic weathered width एवं का की के क्षेत्र गया में है