Computer Science
Scientific paper
Nov 1965
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1965gecoa..29.1153a&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 29, Issue 11, pp.1153-1173
Computer Science
5
Scientific paper
Seven manganese nodules, eight ferromanganiferous shales from the Cretaceous Wai Bua Formation of Timor, and a pelagic limestone with four ferromanganese enriched layers from the Middle Eocene of Timor have been analysed. The nodules are compared with modern deep-sea nodules, and the ferromanganiferous shales are contrasted with relatively shallow marine manganiferous shales. The conclusion is reached that these rocks from Timor were probably deposited in a bathypelagic environment. There is a total absence of any indication that volcanic material has contributed to these deposits. The chemical composition of the ferromanganiferous rocks are discussed and some indications of biogenic influences are noted. The Middle Eocene pelagic limestone is compared with a similar modern sediment described from the Easter Island Rise in the Pacific.
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