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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Results 1-3 of 68
Page 99
... drilling a series of vertical boreholes was carried out to assess the thickness , quality and depth of occurrence of this limestone band . The first borehole PT - 1 was drilled in the middle part of this band at 600m SSE of Patti ...
... drilling a series of vertical boreholes was carried out to assess the thickness , quality and depth of occurrence of this limestone band . The first borehole PT - 1 was drilled in the middle part of this band at 600m SSE of Patti ...
Page 140
... drilled 14 of boreholes along the new dam axis in 2005. Out of the 14 boreholes 8 holes ( 1 to 8 ) were drilled along the axis , 3 holes were drilled upstream of the axis between ch.4.885 and 5.040 km and 3 holes drilled 50 m , 125 m ...
... drilled 14 of boreholes along the new dam axis in 2005. Out of the 14 boreholes 8 holes ( 1 to 8 ) were drilled along the axis , 3 holes were drilled upstream of the axis between ch.4.885 and 5.040 km and 3 holes drilled 50 m , 125 m ...
Page 170
... drilled at Ch . 411 , 459 and 483. The permeability of the bed rock decreased to nearly in the holes drilled at Ch . 387 and 435m . In two holes drilled at Ch . 699m and Ch . 723m the grouting was effective to make the foundation ...
... drilled at Ch . 411 , 459 and 483. The permeability of the bed rock decreased to nearly in the holes drilled at Ch . 387 and 435m . In two holes drilled at Ch . 699m and Ch . 723m the grouting was effective to make the foundation ...
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