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 199
... observed in the vicinity of the dam , only downstream of the right earthern section , outcrops of charnockite and migmatite were observed . The foliation trends in N 85 ° E to E to S 85 ° W to W and dip 80 ° towards S 5o E to S , apart ...
... observed in the vicinity of the dam , only downstream of the right earthern section , outcrops of charnockite and migmatite were observed . The foliation trends in N 85 ° E to E to S 85 ° W to W and dip 80 ° towards S 5o E to S , apart ...
Page 200
... observed in the country rock . In the earthern section both on the right flank and left flank vegetation growth observed at several places . In the left earthern section , downstream no chute drains have been provided resulting in gully ...
... observed in the country rock . In the earthern section both on the right flank and left flank vegetation growth observed at several places . In the left earthern section , downstream no chute drains have been provided resulting in gully ...
Page 201
... observed on the right abutment and stilling basin area whereas the left abutment has overburden of 5 to 8 m consisting of weathered rock , laterite and top soil . Possibly due to the presence of thick overburden on the left abutment ...
... observed on the right abutment and stilling basin area whereas the left abutment has overburden of 5 to 8 m consisting of weathered rock , laterite and top soil . Possibly due to the presence of thick overburden on the left abutment ...
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