Records of the Geological Survey of India, Volume 123, Parts 3-4Government of India, 1990 - 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 121
... spillway site rock is exposed only along the crest line of the spillway and rest of the area is covered by soil . In this spillway site about 8m to 10m excavation is required to achieve the design level and a very long ( about 750m ) ...
... spillway site rock is exposed only along the crest line of the spillway and rest of the area is covered by soil . In this spillway site about 8m to 10m excavation is required to achieve the design level and a very long ( about 750m ) ...
Page 127
... spillway on the left bank for irrigation purposes . The investigation in- cluded the geological mapping of part of the dam founda- tion and assessment of the subsurface rock condition at the spillway site on the basis of geological ...
... spillway on the left bank for irrigation purposes . The investigation in- cluded the geological mapping of part of the dam founda- tion and assessment of the subsurface rock condition at the spillway site on the basis of geological ...
Page 132
... spillway area ( at the right flank ) revealed that fresh rock is not available upto a depth of 14.2 m in the soil cover area and as such construc- tion of the spillway will be uneconomic . At the left flank near RD 1230 m a large ...
... spillway area ( at the right flank ) revealed that fresh rock is not available upto a depth of 14.2 m in the soil cover area and as such construc- tion of the spillway will be uneconomic . At the left flank near RD 1230 m a large ...
Contents
CONTENTS | 1 |
Quaternary geological and geomorphological mapping of the ChandanBadua | 7 |
Quaternary geological mapping in KosiGandak interfluve tract North Bihar | 13 |
Copyright | |
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alignment amphibolite anomaly anorthosite bands basin bed rock belt BIHAR BIHAR Code biotite block boreholes chromite clay CONSTRUCTION STAGE GEOTECHNICAL covered cut-off dam axis deposits depth Disang district drilling earth dam Engineering Geology Engineering Geology Division-IV excavation exposed EXTENDED ABSTRACTS field season folds foliation Formation foundation geochemical geological mapping Geology Division-II Ops geomorphological geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gneissic Gondwana grained granite granite gneiss granitoid graphite grey grouting GSI Vol hill indicate irrigation khondalite lineaments located Meghalaya migmatites mineralisation minerals nala occur ORISSA ORISSA Code pegmatite phyllite plagioclase power house proposed Purulia Purulia district quartz veins quartzite Quaternary Regional Geology Division right bank samples sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structure surface SURVEY OF INDIA thick toposheet traverse trending tunnel upto volcanic weathered West Bengal