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 58
... metabasalt and pillowed metabasalt having the strike length varying from 600 to 1000 m and with a width of 2 to 8 m . Two silicified sulphidic chert bands having strike lengths of 360 m and 300 m with width varying from 2m to 8m are ...
... metabasalt and pillowed metabasalt having the strike length varying from 600 to 1000 m and with a width of 2 to 8 m . Two silicified sulphidic chert bands having strike lengths of 360 m and 300 m with width varying from 2m to 8m are ...
Page 60
... metabasalt is sheared . The metabasalt is silicified , calcareous and contains specks of pyrite and pyrrhotite . The geochemical samples › both SSS and BRS collected in the granitoid terrain near to the contact with schist belt ...
... metabasalt is sheared . The metabasalt is silicified , calcareous and contains specks of pyrite and pyrrhotite . The geochemical samples › both SSS and BRS collected in the granitoid terrain near to the contact with schist belt ...
Page 61
... metabasalt . Surface exploration carried out in this block has brought out the presence of two subparallel auriferous zones of 200 m and 400 m strike length hosted in phyllite adjacent to metabasalt . Initial trenching made during the ...
... metabasalt . Surface exploration carried out in this block has brought out the presence of two subparallel auriferous zones of 200 m and 400 m strike length hosted in phyllite adjacent to metabasalt . Initial trenching made during 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