Calcareous nannofossil biostratigraphy of Site 953, Canary Basin, northeastern North Atlantic

Sblendorio-Levy, J.; Howe, Richard W

doi:10.2973/odp.proc.sr.157.107.1998

Cited by 2 publications

(2 citation statements)

References 24 publications

(57 reference statements)

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“…The minimum "international" age suggested by this nannoflora is based on the presence of circular specimens of Pseudoemiliania lacunosa, which had its last occurrence in the middle of marine isotope stage (MIS) 12, c. 0.45 Ma (Thierstein et al 1977, Sblendorio-levy & howe 1998. The minimum age may also be constrained by the absence of Helicosphaera inversa, which first appears c. 0.1 m.y.…”

Section: Environment Of Depositionmentioning

confidence: 93%

“…before the extinction of P. lacunosa (Sato & Takayama 1992). The maximum age is based on the absence of C. macintyrei and H. sellii, which had their last occurrences at c. 1.4 and 1.2 Ma, respectively, below the Cobb event in (Matuyama Chron) Clr2 (Sato & Takayama 1992;Sblendorio-Levy & Howe 1998). Thus, the age of this sample is likely to be within the 1.2-0.5 Ma range.…”

Section: Environment Of Depositionmentioning

confidence: 96%

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Pleistocene glaciomarine sediments of the Kisbee Formation, Wilson River, southwest Fiordland, and some tectonic and paleoclimatic implications

Turnbull

Sutherland

Beu

et al. 2007

New Zealand Journal of Geology and Geophysics

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Fossiliferous sediments of Kisbee Formation (new name) preserved in the Wilson River east of Puysegur Point, southwest Fiordland, are interpreted as filling a submarine canyon that was incised 160 m into Ordovician metasediments. The formation reflects deposition in quiet, deep cold water beneath floating ice, transitional into shallower water adjacent to an ice-marginal environment. The macrofauna and nannoflora indicate deposition within Castlecliffian time, somewhere between 0.5 and 1.2 Ma, at depths estimated to range between 50-150 and >200 m. A sequence of marine terraces adjacent to the Wilson River is correlated to global sea-level records, constraining the local uplift rate to 0.57 ± 0.04 mm/yr and the minimum age for Kisbee Formation to 0.69 Ma. If, as seems likely, the Matuyama-Brunhes paleomagnetic transition lies within the mapped section, Kisbee Formation is older than 0.78 Ma at the the base, and Limopsis lived in >200 m of water.

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Section: Environment Of Depositionmentioning

confidence: 93%

Section: Environment Of Depositionmentioning

confidence: 96%

Pleistocene glaciomarine sediments of the Kisbee Formation, Wilson River, southwest Fiordland, and some tectonic and paleoclimatic implications

Turnbull

Sutherland

Beu

et al. 2007

New Zealand Journal of Geology and Geophysics

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Calcareous nannofossil, ostracode and foraminifera biostratigraphy of Plio-Pleistocene deposits, Rhodes (Greece), with a correlation to the Vrica section (Italy)

Thomsen

Rasmussen

Hastrup

2001

J. Micropalaeontol.

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The Kalithea Bay section is situated on the southeastern coast of the island of Rhodes. The section comprises a sedimentary sequence ranging from brackish water gravel and nearshore sand to deep-water clay. The brackish water and nearshore deposits are assigned to the Kritika Formation, while the deep-water deposits are assigned to the Lindos Bay clay. Calcareous nannofossil biostratigraphy shows that the age of the marine sequence is Early Pleistocene. The brackish water sediments cannot be dated with any degree of certainty. The marine deposits are rich in ostracodes and foraminifera and several species have been recognized, which previously have been used as biostratigraphic markers in the Plio-Pleistocene deposits of Rhodes. Biostratigraphic correlation between the Kalithea Bay section and the Plio-Pleistocene boundary stratotype at Vrica, southern Italy, shows that the ostracodes and foraminifera events generally are diachronous relative to the calcareous nannofossil events. The only exception is the first occurrence of the benthic foraminifera Hyalinea balthica. As calcareous nannofossil events are thought to be virtually synchronous within the Mediterranean region, it is concluded that the diachroneity is due to a relative delay in the appearance of ostracodes and foraminifera at Kalithea, caused by differences in the palaeobathymetric settings between the two sites.

show abstract

Calcareous nannofossil biostratigraphy of Site 953, Canary Basin, northeastern North Atlantic

Cited by 2 publications

References 24 publications

Pleistocene glaciomarine sediments of the Kisbee Formation, Wilson River, southwest Fiordland, and some tectonic and paleoclimatic implications

Pleistocene glaciomarine sediments of the Kisbee Formation, Wilson River, southwest Fiordland, and some tectonic and paleoclimatic implications

Calcareous nannofossil, ostracode and foraminifera biostratigraphy of Plio-Pleistocene deposits, Rhodes (Greece), with a correlation to the Vrica section (Italy)

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