Records of the Geological Survey of India, Volume 122, Part 5The Survey, 1987 - 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 227
... suggested . The slopes of the near vertical cut in the right and left abutments are suggested to be easened for proper keying of the end blocks . Out of the five alignments considered for driving the tunnel , a most suitable alignement ...
... suggested . The slopes of the near vertical cut in the right and left abutments are suggested to be easened for proper keying of the end blocks . Out of the five alignments considered for driving the tunnel , a most suitable alignement ...
Page 235
... suggested . For the non - overflow blocks , foundation levels are indicated in column No. 4 of the table . It is suggested to carryout the excavations to the higher range of levels in the first instance . The final level can however be ...
... suggested . For the non - overflow blocks , foundation levels are indicated in column No. 4 of the table . It is suggested to carryout the excavations to the higher range of levels in the first instance . The final level can however be ...
Page 335
... suggested that the initial reaches upto a length of 200 m to be made a cut and cover tunnel and beyond that a regular tunnel where adequate rock cover is available . Sub - surface explorations by means of boreholes are suggested to ...
... suggested that the initial reaches upto a length of 200 m to be made a cut and cover tunnel and beyond that a regular tunnel where adequate rock cover is available . Sub - surface explorations by means of boreholes are suggested to ...
Contents
Quaternary Geology and Geomorphology of the Coastal Tracts in East Godavari District | 3 |
Quaternary Geology and Geomorphology of the Coastal Tracts in parts of Nellore District | 11 |
Quaternary Geology and Geomorphology of the Coastal Tracts of Srikakulam Vizianagaram and Visakhapatnam Districts | 19 |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH ANDHRA PRADESH Code anomaly anorthosite Archaean axis bands bed rock biotite biotite granite block boreholes boreholes drilled charnockite charnockite gneiss clay comprises conglomerate dam alignment Deccan Trap depth Dharwar dips DISTRICT dolerite dolerite dykes earth dam enclaves excavated exposed fluvial folds foliation formation foundation fresh rock gabbro GEOLOGICAL MAP GEOPHYSICAL GEOTECHNICAL gneiss Godavari granite granite gneiss granodiorite granulite grey indicated intrusives investigation joints KARNATAKA KERALA landforms laterite left flank limestone located lode magnetite metabasalt metres migmatite NNW-SSE NW-SE occur overburden pegmatite Peninsular gneiss phyllite pink granite PLATE power house PROJECT proposed quartz quartz veins quartzite Raichur reservoir ridge right flank river bed rock types samples sand sandstone scale schist schist belt schistose sediments shale shear zone soil spillway sq km strike length studies suggested Supergroup surface TALUK TAMIL NADU thickness toposheet traversed trench trending ultramafic upto width