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 115
... amphibolite facies gneisses represented by grey hornblende - biotite gneiss with bands and lenses of Sathyamangalam supracrustals which is represented mainly by quartzite , fuchsite quartzite and fuchsite - kyanite quartzite with bands ...
... amphibolite facies gneisses represented by grey hornblende - biotite gneiss with bands and lenses of Sathyamangalam supracrustals which is represented mainly by quartzite , fuchsite quartzite and fuchsite - kyanite quartzite with bands ...
Page 264
... ( amphibolite ) intrusions of post D1 deformation were demarcated . Amphibolites of eastern part ( Saidapuram area ) are melanocratic ( dark greenish black ) , medium to coarse grained and generally garnet bearing while those of western ...
... ( amphibolite ) intrusions of post D1 deformation were demarcated . Amphibolites of eastern part ( Saidapuram area ) are melanocratic ( dark greenish black ) , medium to coarse grained and generally garnet bearing while those of western ...
Page 266
... amphibolite is medium grained showing crude alignment of minerals and the accessories are titanite and opaques . Amphibolite sills intrusive into quartzite sequence exposed near Potegunta exhibit chilled / fine grained contacts . The ...
... amphibolite is medium grained showing crude alignment of minerals and the accessories are titanite and opaques . Amphibolite sills intrusive into quartzite sequence exposed near Potegunta exhibit chilled / fine grained contacts . The ...
Contents
ANDHRA PRADESH | 1 |
Quaternary Geology | 9 |
Project National Geochemica Mapping NGCM | 16 |
Copyright | |
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Common terms and phrases
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