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 xi
... occur on either side and thus the contact between the two tectonic domain is not sharp but occur as a zone . The zone is tectonised and reactivated . Its precise nature is however not yet clear . Exploration in the Medinipur block for ...
... occur on either side and thus the contact between the two tectonic domain is not sharp but occur as a zone . The zone is tectonised and reactivated . Its precise nature is however not yet clear . Exploration in the Medinipur block for ...
Page 39
... occur as irregular patches . With the progressive breakdown of hypersthene to garnet charnockite gradu- ally gets transformed into a garnetiferous granitoid gneiss . The migmatitic gneisses showing dyktyenitic , nebu- litic and ...
... occur as irregular patches . With the progressive breakdown of hypersthene to garnet charnockite gradu- ally gets transformed into a garnetiferous granitoid gneiss . The migmatitic gneisses showing dyktyenitic , nebu- litic and ...
Page 70
... occur sporadically . The lensoidal alkaline complex is intrusive into the country rocks of phyllites with bands of basic rocks . Ricbeckite schist occurring at the border regions of the complex could be ' fenites ' . Study of borehole ...
... occur sporadically . The lensoidal alkaline complex is intrusive into the country rocks of phyllites with bands of basic rocks . Ricbeckite schist occurring at the border regions of the complex could be ' fenites ' . Study of borehole ...
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