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 229
... tunnel faces A , C and E , steel supports are being erected at a spacing of 0.3 to 1 m long after excavation . After geological logging of the tunnel over a cumulative length of 948 m in the six excavation faces , rock mass ...
... tunnel faces A , C and E , steel supports are being erected at a spacing of 0.3 to 1 m long after excavation . After geological logging of the tunnel over a cumulative length of 948 m in the six excavation faces , rock mass ...
Page 309
... tunnel is situated about 1 km southeast of Arcor village in Kottayam district of Kerala State . It is aligned in an east - west direction with its inlet portal towards east . The tunnel is D ' shaped with a driven section of 4.35 x 4.65 ...
... tunnel is situated about 1 km southeast of Arcor village in Kottayam district of Kerala State . It is aligned in an east - west direction with its inlet portal towards east . The tunnel is D ' shaped with a driven section of 4.35 x 4.65 ...
Page 367
... tunnel is driven through charnockite , migmatised gneisses and basic granulites . The rocks have been traversed by basic and acid intrusives . The free flow , 2.25m diameter D - shaped tunnel has been aligned in a N70 ° W - S70 ° E ...
... tunnel is driven through charnockite , migmatised gneisses and basic granulites . The rocks have been traversed by basic and acid intrusives . The free flow , 2.25m diameter D - shaped tunnel has been aligned in a N70 ° W - S70 ° E ...
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