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Quaternary geological and geomorphological mapping of the ChandanBadua
Quaternary geological mapping in KosiGandak interfluve tract North Bihar
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associated bands bank base basin belt Bihar block bodies boreholes carried channel clay Code collected complex comprises construction continued covered deposits depth detailed district drilling east Eastern Engineering Geology exposed EXTENDED field field season flood folds Formation foundation further geological mapping Geology Division geophysical Geotechnical gneiss gold grade grained granite grey Group hill identified India indicate joints lineaments located lower major material mica mineralisation minerals nature observed occur Orissa pegmatite places possible present proposed quartz quartzite Quaternary range recorded Regional represented revealed river rocks samples sand sandstone scale schist sediments sericite shale shear zone Shillong Singhbhum slope soil Special Investigation spillway sq km STAGE strike structure suggested surface SURVEY taken thick thin traverses trending types units Upper valley values varies veins weathered West zone