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 64
... east of Ajampalli village gave Au value of 245 ppb , which is drained , from BIF and granitoids . Sample collected 1.5 km east of Boggilahalli village gave Au value of 231 ppb . Out of 57 BRS samples analysed only five samples indicated ...
... east of Ajampalli village gave Au value of 245 ppb , which is drained , from BIF and granitoids . Sample collected 1.5 km east of Boggilahalli village gave Au value of 231 ppb . Out of 57 BRS samples analysed only five samples indicated ...
Page 85
... east of Karuppur . It carries varying concentration of plagioclase and pyroxene and range in composition from anorthosite to gabbroic anorthosite . Noritic anorthosite with orthopyroxene upto 15 % , is exposed in a well cutting NE of ...
... east of Karuppur . It carries varying concentration of plagioclase and pyroxene and range in composition from anorthosite to gabbroic anorthosite . Noritic anorthosite with orthopyroxene upto 15 % , is exposed in a well cutting NE of ...
Page 90
... east and are deflected towards NE - SW across the NE trending lineament zone . A few melanocratic dykes present in the extreme east could represent different pulse of intrusive igneous activity . The ENE trending Vallimalai - Sholinghur ...
... east and are deflected towards NE - SW across the NE trending lineament zone . A few melanocratic dykes present in the extreme east could represent different pulse of intrusive igneous activity . The ENE trending Vallimalai - Sholinghur ...
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