Records of the Geological Survey of India, Volume 119, Part 1government of India., 1984 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 285
... tunnel . He has reviewed the data and based on the present studies indicated that the rock cover at critical locations above the tunnel varied from 15 m to 27 m . The steel liner has been proposed to be extended in the tunnel by 60 m to ...
... tunnel . He has reviewed the data and based on the present studies indicated that the rock cover at critical locations above the tunnel varied from 15 m to 27 m . The steel liner has been proposed to be extended in the tunnel by 60 m to ...
Page 287
... tunnel ex- · cavated from inlet portal side . Tunnelling has not indica- ted any abnormal ' overbreak from ch . 0 to 161.87 m ( tunnel bend joint ) as the general trend of foliation is about 50 ° askew to the tunnel alignment whereas ...
... tunnel ex- · cavated from inlet portal side . Tunnelling has not indica- ted any abnormal ' overbreak from ch . 0 to 161.87 m ( tunnel bend joint ) as the general trend of foliation is about 50 ° askew to the tunnel alignment whereas ...
Page 289
... tunnel and head race tunnel . Massive charnockites ex- posed both on the river bed and the abutments indicate an ideal place for the proposed fore - bay dam site . The 8 km long tunnel proposed to interconnect Thoradipattu , and ...
... tunnel and head race tunnel . Massive charnockites ex- posed both on the river bed and the abutments indicate an ideal place for the proposed fore - bay dam site . The 8 km long tunnel proposed to interconnect Thoradipattu , and ...
Contents
PALAEONTOLOGY AND STRATIGRAPHY DIVISION | 8 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 14 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 21 |
Copyright | |
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Common terms and phrases
amphibolite analysis anomaly bands basalt basin bed rock belt Bijawar biotite block boreholes Calcutta charnockite clay coalfield comprising Deccan Trap deposits dips Director district Divn dolomite drill cores drill holes dykes exploration exposed field season flows folds Formation fossils geochemical geological mapping Geologist Geology Division geophysical geotechnical investigation gneiss Gondwana grade granite granite gneiss grey Group of rocks Headquarters Hydel Project indicated intrusive km long Laboratory limestone line km located logging Madhya Pradesh magnetic Maharashtra mapped an area Meghalaya mica schist migmatites million tonnes mineral mineralisation Nagpur nala occurs pegmatites phyllite power house Pradesh quartz quartz veins quartzite Quaternary regional river rock types sand sandstone scale schist sediments sequence shale shear zone sheets Shri siltstone spillway sq km sq km area Srivastava strike length studies sulphide surface surveys thickness tion traverses trench trending tunnel valley varying Vindhyan West