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 128
... fresh chloritic phyllite . As the fresh rock is deep seated here , the cut - off base has been kept in moderately fresh rock . Water percolation tests conducted along the dam axis indicated the pervious nature of the foundation and as ...
... fresh chloritic phyllite . As the fresh rock is deep seated here , the cut - off base has been kept in moderately fresh rock . Water percolation tests conducted along the dam axis indicated the pervious nature of the foundation and as ...
Page 132
... fresh rock in between RDS 1740m to 2100m which includes river bed also . This reach is the deepest part of the dam and fresh rock will be available at depths ranging from 5 m to 11.8 m . Borehole logs in the proposed spillway area ( at ...
... fresh rock in between RDS 1740m to 2100m which includes river bed also . This reach is the deepest part of the dam and fresh rock will be available at depths ranging from 5 m to 11.8 m . Borehole logs in the proposed spillway area ( at ...
Page
... fresh bed rock topography and to study the nature of the overburden along the proposed dam axis and along the right bank side of the river . The area taken up for investigation , is included in the Survey of India Toposheet No. 83E / 15 ...
... fresh bed rock topography and to study the nature of the overburden along the proposed dam axis and along the right bank side of the river . The area taken up for investigation , is included in the Survey of India Toposheet No. 83E / 15 ...
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