Mineralogy of sediments from the Exmouth Plateau and Argo Basin, supplement to: Compton, John S; Mallinson, David; Netratanawong, Toedsit; Locker, Stanley D (1992): Regional correlation of mineralogy and diagenesis of sediment from the Exmouth Plateau and Argo Basin, northwestern Australian Continental Margin. In: Gradstein, FM; Ludden, JN; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 123, 779-790

John S Compton, David Mallinson, Toedsit Netratanawong & Stanley D Locker
Correlation of mineral associations from sediment recovered on the northwestern Australian continental margin document the juvenile-to-mature evolution of a segment of the Indian Ocean. Lower Cretaceous sediments contain sandy-to-silty radiolarian claystone that consists of highly smectitic mixed-layered illite/smectite (I/S) in addition to minor amounts of diagenetic pyrite, barite, and rhodochrosite. These immature, poorly sorted sediments were derived from nearby continental margin sources. Discrete bentonite layers and abundant smectite are the alteration products of volcanic material...
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