Dinoflagellate cysts abundance and events of ODP Hole 189-1168A sediments ...

• Main Authors: Brinkhuis, Henk, Munsterman, Dirk K, Sengers, S, Sluijs, Appy, Warnaar, Jeroen, Williams, Graham L
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA 2003
• Subjects: Drilling/drill rig; Leg189; Joides Resolution; Ocean Drilling Program ODP; Antarc*; Antarctic
• Online Access: https://dx.doi.org/10.1594/pangaea.779871; https://doi.pangaea.de/10.1594/PANGAEA.779871

Palynomorphs were studied in samples from Ocean Drilling Program (ODP) Leg 189, Hole 1168A (slope of the western margin of Tasmania; 2463 m water depth). Besides organic-walled dinoflagellate cysts (dinocysts), broad categories of other palynomorphs were quantified in terms of relative abundance. In this contribution, we provide an overview of the early late Eocene-Quaternary dinocyst distribution and illustrate main trends in palynomorph distribution.Dinocyst species throughout Hole 1168A are largely cosmopolitan with important contributions of typical low-latitude taxa and virtual absence of endemic Antarctic taxa. Dinocyst stratigraphic distribution broadly matches that known from the Northern Hemisphere and equatorial regions, although significant differences are noted. Selected potentially biochronostratigraphically useful events are summarized. The distribution of dinocysts in the middle-upper Miocene interval is rather patchy, probably due to prolonged exposure to oxygen. An important general aspect ... : Supplement to: Brinkhuis, Henk; Munsterman, Dirk K; Sengers, S; Sluijs, Appy; Warnaar, Jeroen; Williams, Graham L (2003): Late Eocene-Quaternary dinoflagellate cysts from ODP Site 1168, off western Tasmania. In: Exon, NF; Kennett, JP; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 189, 1-36 ...