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 34
... surface or surface water bodies ( tanks ) . Being a predominantly granitic terrain , the sub - surface water occurs in the weathered zones , fracture planes or shear zones under semi confined to unconfined conditions at a depth of 40 to ...
... surface or surface water bodies ( tanks ) . Being a predominantly granitic terrain , the sub - surface water occurs in the weathered zones , fracture planes or shear zones under semi confined to unconfined conditions at a depth of 40 to ...
Page 61
... surface mineralisation of the mineralised zones . A total of 87 trench and 319 core samples were collected in this process . The dominant lithounits include carbonated metabasalt , phyllite / carbonaceous phyllite intruded by intensely ...
... surface mineralisation of the mineralised zones . A total of 87 trench and 319 core samples were collected in this process . The dominant lithounits include carbonated metabasalt , phyllite / carbonaceous phyllite intruded by intensely ...
Page 176
... surface is always wet with water falling from higher levels , green algae has developed on rock surface . Certain measures listed here are suggested for a part of preparation of foundation for laying concrete . ( i ) To remove all loose ...
... surface is always wet with water falling from higher levels , green algae has developed on rock surface . Certain measures listed here are suggested for a part of preparation of foundation for laying concrete . ( i ) To remove all loose ...
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