Records of the Geological Survey of India, Volume 139, Part 5The Survey, 2006 - 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 51
... granulite facies of metamorphism ( Gopal Reddy , et al , 1985 ) . High- grade supracrustal rocks , granite- gneiss , foliated charnockite , mafic granulites and concordant granite band , lamprophyre dyke and syenite plug are the major ...
... granulite facies of metamorphism ( Gopal Reddy , et al , 1985 ) . High- grade supracrustal rocks , granite- gneiss , foliated charnockite , mafic granulites and concordant granite band , lamprophyre dyke and syenite plug are the major ...
Page 90
... Granulite Terrain . The rock types exposed in the area belong to the Khondalite and Charnockite Group of rocks . Charnockite with occasional thin bands of pyroxene granulite form the major rock exposed both in the high hills of Western ...
... Granulite Terrain . The rock types exposed in the area belong to the Khondalite and Charnockite Group of rocks . Charnockite with occasional thin bands of pyroxene granulite form the major rock exposed both in the high hills of Western ...
Page 114
... granulite facies assemblages . The contact between the northern block ( charnockite terrain ) and the southern block ( gneissic terrain ) is inferred to be a tectonic one as it is marked by a zone of intense shearing , brecciation ...
... granulite facies assemblages . The contact between the northern block ( charnockite terrain ) and the southern block ( gneissic terrain ) is inferred to be a tectonic one as it is marked by a zone of intense shearing , brecciation ...
Contents
ANDHRA PRADESH | 1 |
Quaternary Geology | 9 |
Project National Geochemica Mapping NGCM | 16 |
Copyright | |
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abutment alignment amphibolite Andhra Pradesh assess bands basin bed rock biotite biotite gneiss block boreholes carried charnockite coast cut-off trench depth district dolerite drilled dunes dyke earth dam enclaves excavation exposed field season folds foliation Formation foundation fresh rock garnet Geochemical Mapping geological mapping GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoids granodiorite granulite gravity grouting holes hornblende indicated intrusive Item joints Karnataka Kerala Khondalite kimberlite laterite limestone lithounits located lugeons mafic metabasalt migmatite mineralisation minerals moderate mylonite NNW-SSE NW-SE occur overburden pegmatite penstock permeability tests phyllite powerhouse project authorities proposed pyroxene quartz quartz veins quartzite reservoir river samples were collected sand schist belt shale shear zone shotcrete slope soil Specialised Thematic Mapping spillway STAGE GEOTECHNICAL stream sediment samples strike structure studies sulphide surface Tamil Nadu thick toposheet traverse trending tsunami ultramafic upto values varying vertical weathered weir width