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Unformatted text preview: The most abundant marine sediments are broadly classified as terrigenous and biogenous. Terrigenous sediments are geological origin and arise on the continents or islands near them. They are the more abundant. Biogenous sediments are biological origin. Hydrogenous Sediments Hydrogenous Sediments are minerals that have precipitated directly from seawater. Hydrogenous Sediments are also called authigenic sediments because they were formed in the play they now occupy. Cosmogenous Sediments Cosmogenous sediments which are of extraterrestrial origin are the least abundant....
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- Spring '08