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 213
... reach constitutes the flood regime of Bandarapu and Galeru streams . Aerial photo studies indicate that Bandarapu vagu has changed its coruse twice in this reach . Sub - surface exploration carried out along the align- ment has ...
... reach constitutes the flood regime of Bandarapu and Galeru streams . Aerial photo studies indicate that Bandarapu vagu has changed its coruse twice in this reach . Sub - surface exploration carried out along the align- ment has ...
Page 229
... reach- wise geomechanical classification About 6m to the left of the tunnel alignment at Km . 71.720 , a collapse of the ground surface resulting in the formation of a 6 m deep pit was reported in the first week of August , 1988 ( Fig ...
... reach- wise geomechanical classification About 6m to the left of the tunnel alignment at Km . 71.720 , a collapse of the ground surface resulting in the formation of a 6 m deep pit was reported in the first week of August , 1988 ( Fig ...
Page 339
... reach of the power tunnel , where the area is completely covered with lateritic soil and scree , four exploratory boreholes drilled at ch.310m , 370m , 434m and 468 m revealed fresh rock at 3 to 7 m depth . The study of the boreholes ...
... reach of the power tunnel , where the area is completely covered with lateritic soil and scree , four exploratory boreholes drilled at ch.310m , 370m , 434m and 468 m revealed fresh rock at 3 to 7 m depth . The study of the boreholes ...
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