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 6
... mafic dykes / bodies . Some of the dyke like bodies of mafic - rich microgranitoids show back - veining and net - vein structures and are in different stages of disruption . The MME thus represent smaller mafic magmatic intrusions ...
... mafic dykes / bodies . Some of the dyke like bodies of mafic - rich microgranitoids show back - veining and net - vein structures and are in different stages of disruption . The MME thus represent smaller mafic magmatic intrusions ...
Page 75
... mafic - ultramafic bodies along few selected traverses , coupled with traverse geological mapping on 1 : 10,000 scale . The work was carried out mainly to delineate the potential zones for PGE mineralisation in ultramafic rock variants ...
... mafic - ultramafic bodies along few selected traverses , coupled with traverse geological mapping on 1 : 10,000 scale . The work was carried out mainly to delineate the potential zones for PGE mineralisation in ultramafic rock variants ...
Page 84
... mafic granulite . The repetition of quartzite bands is due to faulting / folding . Biotite generally occurs as thin layers imparting a preferred orientation and represents original clayey partings within a predominant arenaceous rock ...
... mafic granulite . The repetition of quartzite bands is due to faulting / folding . Biotite generally occurs as thin layers imparting a preferred orientation and represents original clayey partings within a predominant arenaceous rock ...
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