Records of the Geological Survey of India, Volume 114, Parts 1-2Government of India, 1984 - 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 92
... tunnel is to pass through . " The underground structures , like the surge shaft , penstocks etc. , are located in hard biotite gneiss . The exploration , by the drifts and bore holes , from the surface indicate presence of shear zones ...
... tunnel is to pass through . " The underground structures , like the surge shaft , penstocks etc. , are located in hard biotite gneiss . The exploration , by the drifts and bore holes , from the surface indicate presence of shear zones ...
Page 93
... tunnels are to be driven throuth this stretch . The central tunnel has already been completed . The excavation for two side tunnels are in progress . Andotra logged 785.7 m of eastern and western tunnels from two headings , namely , at ...
... tunnels are to be driven throuth this stretch . The central tunnel has already been completed . The excavation for two side tunnels are in progress . Andotra logged 785.7 m of eastern and western tunnels from two headings , namely , at ...
Page 95
... tunnel area / core wall portion of the Maneri dam . Other works carried out included 3 - D geological logging of head race tunnel for 0.526 km ( on 1 : 200 scale ) , 3 - D geological logging of drainage gallery around surge shaft for ...
... tunnel area / core wall portion of the Maneri dam . Other works carried out included 3 - D geological logging of head race tunnel for 0.526 km ( on 1 : 200 scale ) , 3 - D geological logging of drainage gallery around surge shaft for ...
Contents
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 4 |
STRATIGRAPHY AND PALAEONTOLOGY DIVISION | 14 |
MAP DIVISION | 23 |
Copyright | |
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Common terms and phrases
alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes earth dam excavation exploration exposed fault flank foliation Formation foundation geochemical geological investigation geological mapping Geologist geophysical geotechnical gneiss Gondwana granite gneiss grey Group Headquarters Hydel India indicated intruded Karnataka km long Laboratory laterite limestone line km lineaments located logging Madhya Pradesh magnetic magnetite mapped an area mica migmatites mineralisation minerals nala occur Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri soil spillway sq km strike length studies sulphide Supergroup surveys thickness tion tonnes toposheet traverse trending tunnel upto valley varying Vindhyan volcanic width