Western Pacific Palaeoceanography Across the Early–middle Pleistocene Boundary (~773 Ka): Dinoflagellate Cysts of the Chiba Composite Section, Japan. Keywords:  Paleoceanography, Dinoflagellates, Pleistocene, Japan, Mis 19

Balota, Eseroghene J.; Head, Martin J.; Okada, Makoto

doi:10.1130/abs/2017ne-291298

Cited by 2 publications

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“…Pliocene of Belgium (as "cf. Alexandrium tamarense-type cysts of Rochon et al (1999)" in Louwye et al, 2004); upper Lower Pleistocene (Balota, 2018).…”

Section: Cyst Of Pentapharsodinium Dalei Indelicato and Loeblich III 1986mentioning

confidence: 96%

An overview and brief description of common marine organic-walled dinoflagellate cyst taxa occurring in surface sediments of the Northern Hemisphere

Nieuwenhove

Head

Limoges

et al. 2020

Marine Micropaleontology

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Organic-walled resting cysts of planktonic dinoflagellates occur commonly in modern marine sediment where they represent, with rare exceptions, the only geologically preservable part of the life cycle. Although many species do not produce fossilizable resting cysts, upper Quaternary sediments contain a Highlights ► 51 common extant dinoflagellate cyst species and two morphotypes are briefly described and illustrated. ► 2 belong to the Gymnodiniales, 30 to the Gonyaulacales and 21 to the Peridiniales. ► their lowest stratigraphic occurrences are provided.

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“…Pliocene of Belgium (as "cf. Alexandrium tamarense-type cysts of Rochon et al (1999)" in Louwye et al, 2004); upper Lower Pleistocene (Balota, 2018).…”

Section: Cyst Of Pentapharsodinium Dalei Indelicato and Loeblich III 1986mentioning

confidence: 96%

An overview and brief description of common marine organic-walled dinoflagellate cyst taxa occurring in surface sediments of the Northern Hemisphere

Nieuwenhove

Head

Limoges

et al. 2020

Marine Micropaleontology

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Paleoceanography and dinoflagellate cyst stratigraphy across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the Chiba composite section, Japan

Balota

Head

Okada

et al. 2021

Prog Earth Planet Sci

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A dinoflagellate cyst record from the highly resolved Chiba composite section in Japan has been used to reconstruct sea-surface paleoceanographic changes across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the global stratotype, constituting the first detailed study of this microfossil group from the Pleistocene of the Japanese Pacific margin. Cold, subarctic water masses from 794.2 ka gave way to warming and rapid retreat of the Subpolar Front at 789.3 ka, ~ 2000 years before the end of Marine Isotope Stage (MIS) 20. Throughout the fully interglacial conditions of MIS 19c, assemblages are consistent with warm sea surface temperatures but also reveal instability and latitudinal shifts in the Kuroshio Extension system. The abrupt dominance of Protoceratium reticulatum cysts between 772.9 and 770.4 ka (MIS 19b) registers the influence of cooler, mixed, nutrient-rich waters of the Kuroshio–Oyashio Interfrontal Zone resulting from a southward shift of the Kuroshio Extension. Its onset at 772.9 ka serves as a local ecostratigraphic marker for the Chibanian Stage Global Boundary Stratotype Section and Point (GSSP) which occurs just 1.15 m (= 1300 years) below it. An interval from 770.1 ka to the top of the examined succession at 765.8 ka (MIS 19a) represents warm, presumably stratified but still nutrient-elevated surface waters, indicating a northward shift of the Kuroshio Extension ~ 5 kyrs after the termination of full interglacial conditions on land.

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Western Pacific Palaeoceanography Across the Early–middle Pleistocene Boundary (~773 Ka): Dinoflagellate Cysts of the Chiba Composite Section, Japan. Keywords: Paleoceanography, Dinoflagellates, Pleistocene, Japan, Mis 19

Cited by 2 publications

References 0 publications

An overview and brief description of common marine organic-walled dinoflagellate cyst taxa occurring in surface sediments of the Northern Hemisphere

An overview and brief description of common marine organic-walled dinoflagellate cyst taxa occurring in surface sediments of the Northern Hemisphere

Paleoceanography and dinoflagellate cyst stratigraphy across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the Chiba composite section, Japan

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