Records of the Geological Survey of India, Volume 124, Parts 3-4
Government of India, 1991 - 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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Geology of the area around Pasighat Ledum Koyu East Siang district
Geology of GaruGengiKankujili area West Siang district
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alignment arca axis bands bank basin belt Bihar block bodies Brahmaputra river carried channel clay Code Complex comprises construction continued covered deposits depth detailed Disang district drilling east Eastern Engineering exposed fault field flood folds Formation foundation geological mapping Geology Division geophysical gneiss gold grade grained granite grey Group Hills holes INDEX indicate irrigation joints limestone located Lower major material mineralisation nature observed occur Operations Orissa phyllite places Pleistocene present proposed quartz quartzite Quaternary ranging recorded Regional represented reservoir river road rocks samples sand sandstone scale scheme schist sediments sequence sericite shale Shillong shows siltstone slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike structures suggested surface survey thick traverses trending tunnel types units Upper valley varies veins volcanic West zone