Records of the Geological Survey of India, Volume 111, Part 1Government of India, 1983 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 93
... tunnel area on 1 : 1,000 scale and an explora- tory drift at the power house site to study the rockmass conditions ... tunnel which would lead the tailrace discharges of the Chibbroo underground power house to headrace tunnel of Khodri ...
... tunnel area on 1 : 1,000 scale and an explora- tory drift at the power house site to study the rockmass conditions ... tunnel which would lead the tailrace discharges of the Chibbroo underground power house to headrace tunnel of Khodri ...
Page 96
... tunnel alignment . The Heena downstream tunnel was deviated from RD 505 m towards right side at an angle of 74 ° with relation to the headrace tunnel excavated earlier and it is proposed to be advanced to RD 715 m . It will be later on ...
... tunnel alignment . The Heena downstream tunnel was deviated from RD 505 m towards right side at an angle of 74 ° with relation to the headrace tunnel excavated earlier and it is proposed to be advanced to RD 715 m . It will be later on ...
Page 101
... Tunnel , 2,142 m length from nine faces in Baledh feeder tunnel and 23 m in Siul feeder tunnel were excavated . The pebbly slates belonging to Manjir For- mation , equivalent to Blaini are reported to be good to poor tunnelling medium ...
... Tunnel , 2,142 m length from nine faces in Baledh feeder tunnel and 23 m in Siul feeder tunnel were excavated . The pebbly slates belonging to Manjir For- mation , equivalent to Blaini are reported to be good to poor tunnelling medium ...
Contents
PETROLOGY DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
CHEMICAL DIVISION | 35 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bedrock Bihar block boreholes Calcutta chemical clay coal Coalfield covered delineated deposits depth dipping Director dist district Division drill cores drill holes electrical resistivity exploration fault folded Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana graphite Group Haryana Headquarters Himachal Pradesh Hydel I. P. anomaly India indicated Jammu laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Manuscripts processed Meghalaya metres migmatites mineralisation minerals nala NW-SE occurs Orissa phyllite pits power house Project proposed quartz quartzite regional river rock samples rock types S/Shri samples were collected sand sandstone scale schist seams Sector sediments seismic shale shear zone Shri soil spillway sq km strike length studies sulphide thickness tion tonnes Toposheet traverse trending tunnel upto Uttar Pradesh Valley varying West Bengal