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Matul, Alexander G; Abelmann, Andrea; Nürnberg, Dirk; Tiedemann, Ralf (2009): Radiolarian datum planes in Core MD01-2415. PANGAEA, https://doi.org/10.1594/PANGAEA.727234, Supplement to: Matul, AG et al. (2009): Stratigraphy and major paleoenvironmental changes in the Sea of Okhotsk during the last million years inferred from radiolarian data. Oceanology, 49(1), 92-100, https://doi.org/10.1134/S0001437009010111

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Abstract:
Radiolarian distribution is studied in Core IMAGES MD01-2415 (46 m long) from the central Sea of Okhotsk. Obtained data made it possible to refine regional biostratigraphy and document the major paleoenvironmental changes in the basin during last million years. In total, 17 radiolarian datum planes are defined with 12 of them being new. Their number exceeds that previously established for different fossil groups in the Subarctic Pacific for this period. Radiolarian datum planes are usually confined to the main boundaries and Quaternary climatic events. Analysis of radiolaria distribution reveals several major paleoenvironmental shifts in the sea that occurred 950, 700, and 420-280 ka ago and are correlative with regional and global phases of the Middle Pleistocene climatic revolution.
Project(s):
Coverage:
Latitude: 53.951500 * Longitude: 149.959000
Date/Time Start: 2001-06-07T13:52:00 * Date/Time End: 2001-06-07T13:52:00
Minimum DEPTH, sediment/rock: 4.23 m * Maximum DEPTH, sediment/rock: 45.83 m
Event(s):
MD01-2415 (MD012415) * Latitude: 53.951500 * Longitude: 149.959000 * Date/Time: 2001-06-07T13:52:00 * Elevation: -822.0 m * Recovery: 46.23 m * Location: Sea of Ochotsk * Campaign: MD122 (IMAGES VII - WEPAMA) * Basis: Marion Dufresne (1995) * Method/Device: Giant piston corer (GPC)
Comment:
MIS = marine oxygen isotope stage or event
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmGeocode
AGEAgeka BPGeocode
SpeciesSpeciesMatul, Alexander G
OccurrenceOccurMatul, Alexander G
Isotopic eventIsotopic eventMatul, Alexander G
Size:
51 data points

Data

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Depth sed [m]

Age [ka BP]

Species

Occur

Isotopic event
4.2334Lychnocanoma nipponica sakaiilast occurrenceend of MIS 3
5.6364Amphimelissa setosalast occurrenceMIS 4
16.23267Sphaeropyle langiilast occurrenceMiddle of MIS 8
16.43272Spongodiscus sp.last occurrenceMIS 8.5
18.93340Stylacontarium acquiloniumlast occurrenceMIS 9-IS/10 boundary
19.93353Artobotrys borealisfirst occurrenceend of MIS 10
22.53403Tholospira sp. 2last occurrenceoptimum of MIS 11
26.53500Lychnocanoma nipponica sakaiifirst occurrenceMIS 13.13
26.53500Stylochlamydium venustumfirst occurrenceMIS 13.13
28.13536Tholospira sp. 2first occurrenceMIS 13/14 boundary
31.13630Dumetum rectumfirst occurrenceend of MIS 17
33.15694Perichlamydium sp.last occurrenceoptimum of MIS 17
33.75716Litheliidae spp.last occurrenceMIS 17/18 boundary
37.23823Phormostichoartus pitomorphuslast occurrenceend of MIS 21
37.43830Antarctissa (?) sp. 3last occurrenceend of MIS 21
45.031061Rhizoplegma sp.last occurrenceend of MIS 31
45.831082Eucyrtidium matuyamailast occurrenceMIS 31/32 boundary