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 32
... major quartz reef was delineated between Hariguda in the south to Himayatsagar abutment ( SE part ) covering a length of 7 km . Some major fracture planes , shear zones and a fault were delineated in the area , The two quartz reefs are ...
... major quartz reef was delineated between Hariguda in the south to Himayatsagar abutment ( SE part ) covering a length of 7 km . Some major fracture planes , shear zones and a fault were delineated in the area , The two quartz reefs are ...
Page 53
... major NNW - SSE trending eastern margin shear zone from Besagarahalli to Shivasamudram passes through the gneisses up to the contact of high grade terrain ( northeast of Kollegal ) . This major strike slip sinistral shear zone with a ...
... major NNW - SSE trending eastern margin shear zone from Besagarahalli to Shivasamudram passes through the gneisses up to the contact of high grade terrain ( northeast of Kollegal ) . This major strike slip sinistral shear zone with a ...
Page 279
... major types of dune in the valley . They include climbing / echo / obstacle dunes commonly occurring in the wind ward side of quartzite hills and low - height sand mounds / sand sheets occupying valley whose growth is greatly influenced ...
... major types of dune in the valley . They include climbing / echo / obstacle dunes commonly occurring in the wind ward side of quartzite hills and low - height sand mounds / sand sheets occupying valley whose growth is greatly influenced ...
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