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 71
... trending N25 ° W / 40 ° to 70 ° dipping easterly . The band at places is highly oxidised , altered , magnetite rich , lateritised and contains minor sulphides like pyrite , pyrrhotite , chalcopyrite and dissemination of arsenopyrite ...
... trending N25 ° W / 40 ° to 70 ° dipping easterly . The band at places is highly oxidised , altered , magnetite rich , lateritised and contains minor sulphides like pyrite , pyrrhotite , chalcopyrite and dissemination of arsenopyrite ...
Page 190
... trending NE - SW , Malaprabha lineament trending NW - SE and lineaments 1 , 2 , 3 and 4 ( as per tectonic Atlas of India , by GSI ) trending in NW - SE direction . The most important linear feature of the region is the NNW - SSE ...
... trending NE - SW , Malaprabha lineament trending NW - SE and lineaments 1 , 2 , 3 and 4 ( as per tectonic Atlas of India , by GSI ) trending in NW - SE direction . The most important linear feature of the region is the NNW - SSE ...
Page 277
... trending NNW - SSE . The rock types of the area are gneiss with numerous enclaves of amphibolites , intruded by NE - SW trending dolerite dykes and NNE - SSW trending quartz veins . The axial trace of the F2 folds in this area is N 15 ...
... trending NNW - SSE . The rock types of the area are gneiss with numerous enclaves of amphibolites , intruded by NE - SW trending dolerite dykes and NNE - SSW trending quartz veins . The axial trace of the F2 folds in this area is N 15 ...
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