Records of the Geological Survey of India, Volume 81Geological Survey of India, 1949 - 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 72
... quartzites only , for the rocks on the upstream and downstream sides are very much weathered and decomposed and definitely softer than the quartzites . The rocks on the upstream side are chiefly garnetiferous mica - schist ( with ...
... quartzites only , for the rocks on the upstream and downstream sides are very much weathered and decomposed and definitely softer than the quartzites . The rocks on the upstream side are chiefly garnetiferous mica - schist ( with ...
Page 73
... quartzites at Tilaiya will provide suitable rocks for foundation as well as abutments . Secondary silicification observed in the quartzites may give added strength to them . The closely spaced bedding and joint system are not expected ...
... quartzites at Tilaiya will provide suitable rocks for foundation as well as abutments . Secondary silicification observed in the quartzites may give added strength to them . The closely spaced bedding and joint system are not expected ...
Page 124
... quartzites have a suitable bearing strength for a high concrete dam . The quartzites are permeated by numerous joints , which are likely to be open in depth , and extensive grouting will be necessary to prevent leakage . Baghauli dam ...
... quartzites have a suitable bearing strength for a high concrete dam . The quartzites are permeated by numerous joints , which are likely to be open in depth , and extensive grouting will be necessary to prevent leakage . Baghauli dam ...
Contents
1120 | 14 |
GEOLOGICAL SURVEYS | 16 |
Vizagapatam Madras Koraput Orissa | 52 |
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abutment alignment alluvium Assistant Geologist B. C. Roy Balasundaram Baluchistan bands Barakar Bengal Beryl Bhakra Bihar Bombay borings brine Calcutta cement cent Central Provinces charnockites clay coal coalfield Crookshank Cutch Cystidean dam-site Damodar days with effect Deccan trap deposits depth dhands district dykes Engineering Geology examined fault fauna feet Felspar fossils Geol Geological Survey gneisses Gondwana gorge granite Ground Water Hazra India investigation J. B. Auden Journ Kankar Kharaghoda Kosi lakes limestone M. S. Krishnan Madras magnesite mapping Masonry Stone M. L. material Messrs Mica miles Mineral Concessions nala occur Ochre Ordovician Orissa Orthoceras Pattikatla and Masonry pegmatite phyllites proposed Punjab quantity quarry quartz quartzites Railway reports reservoir rocks salt sand sandstones Sandur schists seams Section shales sheet Shihtien Shri Sirmur Siwalik sodium Southern Circle suitable Surv Survey of India thickness thrust tion tons trap tunnel Upper upstream zone