Nodules of the Central Indian Ocean Basin
Abstract
The Central Indian Ocean Basin (CIOB) extends from 0 degree S to 25 degrees S latitudes and 70 degrees E to 90 degrees E longitudes The major portion of CIOB is an abyssal plain and the plains are believed to be developed by the Ganges Fan turbidity currents which distribute the sediments to the far south Four sedimentary facies are reported in CIOB Terrigenous sediments dominating above 5 degrees S latitude, siliceous sediments between 5 degrees S and 15 degrees S latitudes with isolated patches of calcareous sediments within, and pelagic sediments south of 15 degrees S latitude Prior to the launching of the project, very little data was available on the Indian Ocean nodules compared to those of Pacific This chapter summaries the findings of the project staff as far as CIOB nodules are concerned
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