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 68
... moderate sulphide mineralisation is recorded . The high strain zone in the chlorite schist shows moderate to rich sulphide mineralisation at many places ; so also the quartzite bands . South of Mulesal , a quartz porphyry band ...
... moderate sulphide mineralisation is recorded . The high strain zone in the chlorite schist shows moderate to rich sulphide mineralisation at many places ; so also the quartzite bands . South of Mulesal , a quartz porphyry band ...
Page 93
... moderate easterly dip and in the central part it has NE - SW to - ENE - WSW strike having a moderate southeasterly dip . In the northern part , however , the general trend of the foliation varies widely due to the presence of mappable ...
... moderate easterly dip and in the central part it has NE - SW to - ENE - WSW strike having a moderate southeasterly dip . In the northern part , however , the general trend of the foliation varies widely due to the presence of mappable ...
Page 205
... moderate in this sector . Tsunami induced breaches in the beach ridges and inundation of inter dunal and tidal flat area are prominent in the coastal zone . The partially opened mouths of Kottalaiyar and Coovam Rivers , Pulicot lagoon ...
... moderate in this sector . Tsunami induced breaches in the beach ridges and inundation of inter dunal and tidal flat area are prominent in the coastal zone . The partially opened mouths of Kottalaiyar and Coovam Rivers , Pulicot lagoon ...
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