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 98
... extending towards north up to Vellar River , Vriddhachalam Sub - basin in the central part extending between Vellar River in the south to Gadilam River in the north and the northern Pondicherry Sub - basin , north of Gadilam River . In ...
... extending towards north up to Vellar River , Vriddhachalam Sub - basin in the central part extending between Vellar River in the south to Gadilam River in the north and the northern Pondicherry Sub - basin , north of Gadilam River . In ...
Page 120
... extending from W of Boys Town in the west to Pallickal in the east in Toposheet 49 M / 13 in order to study the structure and stratigraphy and to identify favourable areas for gold mineralization . The area forms the northern part of ...
... extending from W of Boys Town in the west to Pallickal in the east in Toposheet 49 M / 13 in order to study the structure and stratigraphy and to identify favourable areas for gold mineralization . The area forms the northern part of ...
Page 153
... extending for 18.5 m for units 1 and 6 ; 17 m width for units 2 to 5 for a length of 60 m from the toe of the dam ... extends for about 1 to 2 m depth , below that fresh and hard , grey coloured granite , belonging to Peninsular Gneissic ...
... extending for 18.5 m for units 1 and 6 ; 17 m width for units 2 to 5 for a length of 60 m from the toe of the dam ... extends for about 1 to 2 m depth , below that fresh and hard , grey coloured granite , belonging to Peninsular Gneissic ...
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