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 137
... rock types present in the area . Khondalite exhibits well developed foliation trending in NNW - SSE , with steep dips either towards WSW or ENE direction . / Overburden soils predominantly consist of arenaceous sandy silty soils in the ...
... rock types present in the area . Khondalite exhibits well developed foliation trending in NNW - SSE , with steep dips either towards WSW or ENE direction . / Overburden soils predominantly consist of arenaceous sandy silty soils in the ...
Page 154
... rock , overhangs on the excavated walls of rock ledges may be removed by proper scaling before resorting to next blast operation cycle . Loose overhangs and under cuts are to be removed before proceeding further . After completion of ...
... rock , overhangs on the excavated walls of rock ledges may be removed by proper scaling before resorting to next blast operation cycle . Loose overhangs and under cuts are to be removed before proceeding further . After completion of ...
Page 198
... rock to be met at shallow depth downstream of second vent of glacis spillway . Hence recommended to excavate up to fresh rock . If the depth of weathering is found to be more , the structures can be founded on weathered rock , and the ...
... rock to be met at shallow depth downstream of second vent of glacis spillway . Hence recommended to excavate up to fresh rock . If the depth of weathering is found to be more , the structures can be founded on weathered rock , and the ...
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