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 48
... litho - succession will be taken up after receiving the laboratory results . The grey / pink migmatites and porphyritic ... lithounits and to delineate iron and manganese rich zones of Karkalmatti member , in parts of toposheets 47 P / 8 ...
... litho - succession will be taken up after receiving the laboratory results . The grey / pink migmatites and porphyritic ... lithounits and to delineate iron and manganese rich zones of Karkalmatti member , in parts of toposheets 47 P / 8 ...
Page 112
... lithounits are being carried out to bring out the metamorphic evolution of these high - grade supracrustal assemblages . PETROLOGICAL AND PETROCHEMICAL CHARACTERISATION OF SATHYAMANGALAM AND KHONDALITE GROUPS OF ROCKS IN TAMIL NADU N.P. ...
... lithounits are being carried out to bring out the metamorphic evolution of these high - grade supracrustal assemblages . PETROLOGICAL AND PETROCHEMICAL CHARACTERISATION OF SATHYAMANGALAM AND KHONDALITE GROUPS OF ROCKS IN TAMIL NADU N.P. ...
Page 114
... lithounits varies from NNE - SSW to NE - SW with moderate dip towards east . However , when these lithounits approach the plains the trend changes to ENE - WSW or E - W which could be attributed to shearing and drag effect . The ...
... lithounits varies from NNE - SSW to NE - SW with moderate dip towards east . However , when these lithounits approach the plains the trend changes to ENE - WSW or E - W which could be attributed to shearing and drag effect . 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