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 349
... rock in the project area . Based on the preliminary geological investi- gations carried out upto field season 1986-87 , four boreholes at the inlet side to explore the sub - surface geological conditions to select a suitable portal ...
... rock in the project area . Based on the preliminary geological investi- gations carried out upto field season 1986-87 , four boreholes at the inlet side to explore the sub - surface geological conditions to select a suitable portal ...
Page 373
... rock is of the order of 20m . Isopach contours of soil and weathered rock and bedrock contours of fresh rock have been prepared based on the borehole data which indicate that a deeply weathered zone is aligned in a NE - SW direction ...
... rock is of the order of 20m . Isopach contours of soil and weathered rock and bedrock contours of fresh rock have been prepared based on the borehole data which indicate that a deeply weathered zone is aligned in a NE - SW direction ...
Page 385
... rock is of the order of 20m . Isopach contours of soil and weathered rock and bedrock contours of fresh rock have been prepared based on the borehole data which indicate that a deeply weathered zone is aligned in a NE - SW direction ...
... rock is of the order of 20m . Isopach contours of soil and weathered rock and bedrock contours of fresh rock have been prepared based on the borehole data which indicate that a deeply weathered zone is aligned in a NE - SW direction ...
Contents
Quaternary Geology and Geomorphology of the Coastal Tracts in East Godavari District | 1 |
Quaternary Geology and Geomorphology of the Coastal Tracts of Srikakulam Vizianagaram and Visakhapatnam Districts | 17 |
Geology of Peninsular Gneisses in parts of Mahaboobnagar and Nalgonda Districts | 33 |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH ANDHRA PRADESH Code anorthosite bands beach bed rock biotite biotite granite block boreholes boreholes drilled charnockite charnockite gneiss clay comprises conglomerate dam alignment Deccan Trap deposits depth Dharwar dips DISTRICT dolerite dolerite dykes dunes earth dam enclaves excavated exposed fluvial folds foliation formation foundation fresh rock gabbro GEOLOGICAL MAP GEOPHYSICAL GEOTECHNICAL gneiss Godavari delta gold granite granite gneiss granodiorite granulite grey indicated intrusives joints KARNATAKA KERALA landforms laterite left flank limestone lineament located lode magnetite metabasalt migmatite mineralisation NNW-SSE NW-SE occur overburden pegmatite phyllite 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 supracrustal surface TALUK TAMIL NADU thickness Tonalite toposheet traverse trench trending tunnel ultramafic upto width