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 xxii
... types of anorthositic and related rocks of Bankura have arisen out of metamorphism of two basic types of plagioclase ( different in morphology , colour , composition and para- genesis ) - bearing igneous rocks . This will elucidate the ...
... types of anorthositic and related rocks of Bankura have arisen out of metamorphism of two basic types of plagioclase ( different in morphology , colour , composition and para- genesis ) - bearing igneous rocks . This will elucidate the ...
Page 71
... type and the white variety . Anorthositic rocks are often foliated with foliation dips mosty towards north . They appear to be deformed and metamorphosed . Modal analysis of anorthosite rocks . reveal that the four types of anorthosite ...
... type and the white variety . Anorthositic rocks are often foliated with foliation dips mosty towards north . They appear to be deformed and metamorphosed . Modal analysis of anorthosite rocks . reveal that the four types of anorthosite ...
Page 16
... types of sulphide assemblages restricted to the micaceous quartzite / quartz - mica schist were noticed one km west of Pakro . The first assemblage viz . pyrite and Chalcopyrite , considered as syngenetic type , is confined to So plane ...
... types of sulphide assemblages restricted to the micaceous quartzite / quartz - mica schist were noticed one km west of Pakro . The first assemblage viz . pyrite and Chalcopyrite , considered as syngenetic type , is confined to So plane ...
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