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 132
... alignment exposes leuco granite gneisses and banded hornblende granite gneisses belonging to Peninsular Gneissic Complex and has exposed gneisses gneisses with enclaves of meta- gabbro intruded by dolerites and quartz veins . The ...
... alignment exposes leuco granite gneisses and banded hornblende granite gneisses belonging to Peninsular Gneissic Complex and has exposed gneisses gneisses with enclaves of meta- gabbro intruded by dolerites and quartz veins . The ...
Page 223
... alignment is passing . Its thickness ranges from 5 - 6m and in the strike continuity it is persisting for a distance of about 20m to 50m towards u / s and 30m towards d / s from the present dam alignment , Prima facie the present site ...
... alignment is passing . Its thickness ranges from 5 - 6m and in the strike continuity it is persisting for a distance of about 20m to 50m towards u / s and 30m towards d / s from the present dam alignment , Prima facie the present site ...
Page 224
... alignment . If the alignment is shifted 50m d / s , fresh bedrock available in the riverbed and the quartzite band is thinning out and may not be day - lighted even at the left flank . For the energy dissipation arrangement the fresh ...
... alignment . If the alignment is shifted 50m d / s , fresh bedrock available in the riverbed and the quartzite band is thinning out and may not be day - lighted even at the left flank . For the energy dissipation arrangement the fresh ...
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