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 74
... ultramafics . Minor meta - sediments associated with ultramafic rocks are : fuchsite quartzite and magnetite quartzite . Both intrusive and extrusive varieties of ultramafic rocks are met with in the area . The intrusive varieties are ...
... ultramafics . Minor meta - sediments associated with ultramafic rocks are : fuchsite quartzite and magnetite quartzite . Both intrusive and extrusive varieties of ultramafic rocks are met with in the area . The intrusive varieties are ...
Page 75
... ultramafic rocks collected during the previous STM work , it was proposed to carry out systematic sampling of the mafic - ultramafic bodies along few selected traverses , coupled with traverse geological mapping on 1 : 10,000 scale ...
... ultramafic rocks collected during the previous STM work , it was proposed to carry out systematic sampling of the mafic - ultramafic bodies along few selected traverses , coupled with traverse geological mapping on 1 : 10,000 scale ...
Page 112
... ultramafic band is bordered on either side by schistose ultramafic rock ( actinolite - tremolite schist ) . The nodules vary in size from few mm to 4cm in diameter and are now made up of altered olivine and amphiboles . These older ...
... ultramafic band is bordered on either side by schistose ultramafic rock ( actinolite - tremolite schist ) . The nodules vary in size from few mm to 4cm in diameter and are now made up of altered olivine and amphiboles . These older ...
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