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 26
... thick black clay underlain by 0.3-1.0 m thick friable sandy loam , below which the weathered zone of country rock extends to a depth of around 2 m . The drainage is structurally controlled with parallel and dendritic patterns . The ...
... thick black clay underlain by 0.3-1.0 m thick friable sandy loam , below which the weathered zone of country rock extends to a depth of around 2 m . The drainage is structurally controlled with parallel and dendritic patterns . The ...
Page 130
... thick overburden soils , 2 to 3 m thick highly weathered and disintegrated soft bedrock khondalite and then followed by fairly fresh to moderately weathered , relatively hard khondalite . The cut off trench was excavated a minimum of 1 ...
... thick overburden soils , 2 to 3 m thick highly weathered and disintegrated soft bedrock khondalite and then followed by fairly fresh to moderately weathered , relatively hard khondalite . The cut off trench was excavated a minimum of 1 ...
Page 267
... thick ) and Vempalli Formation ( 1050 m thick ) was carried out along Pyagatepalli - Brahmanapalli section ( 57J / 3 ) over a length of 9 km , Pulivendla Formation ( 80 m . thick ) in Lingala section ( 57J / 3 ) over a length of 500m ...
... thick ) and Vempalli Formation ( 1050 m thick ) was carried out along Pyagatepalli - Brahmanapalli section ( 57J / 3 ) over a length of 9 km , Pulivendla Formation ( 80 m . thick ) in Lingala section ( 57J / 3 ) over a length of 500m ...
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