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Item Description Sherman, G.D. en_US Ikawa, Haruyoshi en_US Matsusaka, Toshito en_US 2008-11-16T02:10:28Z 2008-11-16T02:10:28Z 1969-01 en_US
dc.identifier.citation Sherman GD, Ikawa H, Matsusaka T. 1969. Aluminous-ferruginous oxide mineral nodules in tropical soils. Pac Sci 23(1): 115-122. en_US
dc.identifier.issn 0030-8870 en_US
dc.description.abstract Secondary oxide mineral nodules occur in the ferruginous, ferruginous bauxitic, and bauxitic soils of the Hawaiian Islands. The concentration of these oxide nodule aggregates which are larger than 2 mm ranges from 5 per cent in some ferruginous soils to as high as 85 per cent in the ferruginous bauxitic soils of the Halii family. The nodules are formed by the process of induration in which the hydrated amorphous hydroxide and oxides are dehydrated to their crystalline oxide form. The resulting indurated oxide nodule becomes an independent unit in the soil system with corresponding loss of effective surface even though the nodule may contain friable clay material in its interior. The typical nodule produced in the ferruginous bauxitic soil has a dense iron oxide layer (hematite and maghemite) and, in the interior, soft to hard, lighter-colored material which contains gibbsite. en_US
dc.language.iso en-US en_US
dc.publisher University of Hawai'i Press en_US
dc.title Aluminous-Ferruginous Oxide Mineral Nodules in Tropical Soils en_US
dc.type Article en_US
dc.type.dcmi Text en_US

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