Abstract
Sediments at DOMES Sites A, B and C are mixtures of pelagic clay, biogenic ooze, hydrogenous metals, and metalliferous sediment. The relative proportions of these components and the importance of local volcanic contributions can be estimated from bulk analyses of Si, A1, Fe, Ca, Mn, Ti and Na. Analyses of these and 20 additional elements for 118 samples indicate that average sediment at Sites A and B contains about 11% biogenic SiO2 and 70% pelagic clay, whereas that at Site C contains less than 2% biogenic SiO2, 87% pelagic clay and 1.8% metalliferous sediment.
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