Oxygen isotope composition, organic carbon content, and grain size distribution at the Peru upwelling region, supplement to: Wefer, Gerold; Heinze, Peter-M; Suess, Erwin (1990): Stratigraphy and sedimentation rates from oxygen isotope composition, organic carbon content, and grain-size distribution at the Peru Upwelling Region: Holes 680B and 686B. In: Suess, E; von Huene, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 112, 355-367

Gerold Wefer, Peter-M Heinze & Erwin Suess
A high-resolution chronostratigraphy was established for Holes 680B and 686B, drilled during Ocean Drilling Program (ODP) Leg 112 off Peru. The stratigraphy is largely based on oxygen isotopes of benthic foraminifers and supplemented by data for organic-carbon content and sediment texture. At both drill sites, during isotope Stage 1, the sedimentation rate was more than twice that of the older stages, which partly reflects lack of compaction in the youngest sediments. In Hole 680B, located...
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