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 52
... detailed integrated survey in the area Okerchuan sub - block , west of Okerchua village ( 23 ° 31'30 " : 85 ° 22′45 ′′ ) was taken up in the westernmost part of the Bihar Mica Belt to locate mica pegmatite bodies . Detailed mapping of ...
... detailed integrated survey in the area Okerchuan sub - block , west of Okerchua village ( 23 ° 31'30 " : 85 ° 22′45 ′′ ) was taken up in the westernmost part of the Bihar Mica Belt to locate mica pegmatite bodies . Detailed mapping of ...
Page 61
... detailed investiga- tion by drilling in Porapara block will be considered after reviewing both geophysical and geochemical results . Out of 758 geochemical samples of bed rock and soil collected , the analytical results in respect of ...
... detailed investiga- tion by drilling in Porapara block will be considered after reviewing both geophysical and geochemical results . Out of 758 geochemical samples of bed rock and soil collected , the analytical results in respect of ...
Page 100
... Detailed geological mapping of the dam site was carried out on 1 : 1,000 scale covering an area of 60,000 sq.m to update the available geological data for further evaluation . Four boreholes were drilled along the left flank of the dam ...
... Detailed geological mapping of the dam site was carried out on 1 : 1,000 scale covering an area of 60,000 sq.m to update the available geological data for further evaluation . Four boreholes were drilled along the left flank of the dam ...
Contents
CONTENTS | 1 |
Quaternary geological and geomorphological mapping of the ChandanBadua | 7 |
Quaternary geological mapping in KosiGandak interfluve tract North Bihar | 13 |
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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