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 8
... gneiss / charnockite falls in the field of I - type granite and plots in adamellite field on Ną2O - KO plots . The charnockite gneiss ( S of Maredumilli ) suggests a tonalitic nature on CaO - Na2O - K2O diagram . The migmatitic gneisses ...
... gneiss / charnockite falls in the field of I - type granite and plots in adamellite field on Ną2O - KO plots . The charnockite gneiss ( S of Maredumilli ) suggests a tonalitic nature on CaO - Na2O - K2O diagram . The migmatitic gneisses ...
Page 31
... gneiss - migmatite rocks ( Tirodi Gneiss ? ) both in the north and in the south ( Fig . 1 ) . Strips of gneissic rocks also occur well within the fold belt , in the central part . The gneiss - migmaties , cosidered by earlier workers as ...
... gneiss - migmatite rocks ( Tirodi Gneiss ? ) both in the north and in the south ( Fig . 1 ) . Strips of gneissic rocks also occur well within the fold belt , in the central part . The gneiss - migmaties , cosidered by earlier workers as ...
Page 64
... Gneissic Complex in the area is mainly represented by biotite gneiss and amphibolite gneiss , migmatites and granites . Granites are emplaced within the gneisses and migmatites . On the basis of field characters and cross - cut ...
... Gneissic Complex in the area is mainly represented by biotite gneiss and amphibolite gneiss , migmatites and granites . Granites are emplaced within the gneisses and migmatites . On the basis of field characters and cross - cut ...
Contents
ANDHRA PRADESH | 1 |
KARNATAKA AND GOA | 71 |
GEOTECHNICAL INVESTIGATIONS | 144 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite auriferous bands basalt basin bed rock biotite block borehole carried charnockite chert clay Cuddapah Deccan Trap depth dimensional stone DISTRICT dolerite drilling emplaced excavation exposed fault field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical gneiss gneissic gold mineralisation Gondwana grained granite granulite gravity grey grouting indicated intersected intrusives joints Karnataka Kerala kimberlite laterite lineament located lode MADHYA PRADESH magnetic Maharashtra metabasalt metamorphism migmatite mineral mineralised zone Nagpur NE-SW NNW-SSE NW-SE occurs pegmatite phyllite pink pyrite quarries quartz quartz veins quartzite Quaternary regional river samples sandstone Sausar Group scale schist schist belt shale shear zone slope soil spillway sq km strike length structure studies sulphide surveys TAMIL NADU tectonic thickness toposheet traverse trench trending tuff tunnel upto volcanic weathered width एवं का की के क्षेत्र मी में से हेतु है