Insight into the latest Messinian (5.7–5.2Ma) palaeoclimatic events from two deep-sea Atlantic Ocean ODP Sites

Vautravers, M. J.

doi:10.1016/j.palaeo.2014.03.039

Cited by 3 publications

(12 citation statements)

References 85 publications

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“…The first opening of the Strait was the beginning of a series of biogeographic events that provide a strong opportunity for molecular clock calibration for northern marine organisms (Loeza-Quintana and Adamowicz 2018). Following the process described by Loeza-Quintana and Adamowicz (2018), a starting calibration date was assigned to the reference node: the earliest possible opening (7.0 Ma; Marincovich and Gladenkov 1999) of the Bering Strait based upon stratigraphic evidence and fossil diatoms and molluscs, although more recent evidence has revised the first opening to 5.4-5.5 Ma (Gladenkov et al 2002;Gladenkov and Gladenkov 2004), which is now the most commonly accepted date for its initial opening (e.g., Hardy et al 2011;Vautravers 2014;De Schepper et al 2015). Subsequently, divergence times for the remaining pairs were manually assigned in relation to the reference node.…”

Section: Iterative Calibration Of Molecular Rates Using Opening/closumentioning

confidence: 99%

Recalibrating the molecular clock for Arctic marine invertebrates based on DNA barcodes

Loeza-Quintana

Carr

Khan

et al. 2019

Genome

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Divergence times for species assemblages of Arctic marine invertebrates have often been estimated using a standard rate (1.4%/MY) of molecular evolution calibrated using a single sister pair of tropical crustaceans. Because rates of molecular evolution vary among taxa and environments, it is essential to obtain clock calibrations from northern lineages. The recurrent opening and closure of the Bering Strait provide an exceptional opportunity for clock calibration. Here, we apply the iterative calibration approach to investigate patterns of molecular divergence among lineages of northern marine molluscs and arthropods using publicly available sequences of the cytochrome c oxidase subunit I (COI) gene and compare these results with previous estimates of trans-Bering divergences for echinoderms and polychaetes. The wide range of Kimura two-parameter (K2P) divergences among 73 trans-Bering sister pairs (0.12%–16.89%) supports multiple pulses of migration through the Strait. Overall, the results indicate a rate of K2P divergence of 3.2%/MY in molluscs, 5%–5.2%/MY in arthropods, and 3.5%–4.7%/MY in polychaetes. While these rates are considerably higher than the often-adopted 1.4%/MY rate, they are similar to calibrations (3%–5%/MY) in several other studies of marine invertebrates. This upward revision in rates means there is a need both to reevaluate the evolutionary history of marine lineages and to reexamine the impact of prior climatic changes upon the diversification of marine life.

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Section: Iterative Calibration Of Molecular Rates Using Opening/closumentioning

confidence: 99%

Recalibrating the molecular clock for Arctic marine invertebrates based on DNA barcodes

Loeza-Quintana

Carr

Khan

et al. 2019

Genome

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“…Another change to restricted inflow may have happened at the onset of MSC stage 3 (e. g. Marzocchi et al 2016), at the same time that a major deglaciation took place from glacial stage TG12 (5.55 Ma) towards interglacial TG11 (5.52 Ma), which is recorded in oxygen isotope records from the open ocean ( Fig. 8; Hodell et al 2001, Van der Laan et al 2006, Vautravers 2014. This resulted in a, debated, glacio-eustatic sea-level rise in the order of tens of meters (Shackleton et al 1995a, Vidal et al 2002, reducing basin restriction and enhancing gateway exchange.…”

Section: Increase In Sedimentation Ratementioning

confidence: 99%

“…In this cliff, above the Arcillas de Gibraleón Formation, we find the Arenas de Huelva Formation, which consists of lower Pliocene sands. This formation also contains a pronounced glauconite layer at its base (~12 m; Sierro 1985, 1990, 1996, Larrasoaña et al 2008, 2014. In this article, locations or intervals within the core are denoted as meters core depth (mcd) while locations in the Huelva cliff are denoted in meters (m).…”

Section: Geological Background and Corementioning

confidence: 99%

Imprint of Messinian Salinity Crisis events on the Spanish Atlantic margin

Berg

Sierro

Hilgen

et al. 2018

nos

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One of the outstanding research questions regarding the Mediterranean's Messinian Salinity Crisis (MSC) is whether mechanisms that generated Messinian events also have an expression outside the basin as a result of changes in ocean circulation, tectonics or isostasy. To assess this, a high resolution astronomically calibrated age model for the entire Messinian of the Guadalquivir Basin, on the Atlantic margin of Spain, has been constructed. Cyclic changes in the elemental composition of the Huelva-1 borehole, visualized through XRF, were tuned to astronomical target curves. In some intervals, the tuning was hampered as a consequence of the borehole's proximity to the basin margin, resulting in disturbances of the cyclic record; nevertheless three distinct correlations with Mediterranean events were observed. Firstly, the onset of cyclicity within the borehole, at 7.16 Ma, is synchronous with the first sign of Mediterranean-Atlantic gateway restriction; this may be related to uplift of the Betic corridor. Secondly, the increase in sedimentation rate starting around 5.55 Ma coincides with the end of the acme of the Messinian Salinity Crisis. Lastly, for the first time a lithological expression has been found outside the Mediterranean which may have been generated by the same mechanism that terminated the Messinian Salinity Crisis. This level corresponds with the onset of a pronounced and extensive glauconite layer, indicating a sudden and significant decrease in sedimentation rate. Two causative mechanisms, or a combination of them, are proposed for the interbasinal correlations during the MSC. The first is based on tectonic events in the Betic region that influence sedimentation within the Guadalquivir Basin while altering the Atlantic-Mediterranean connection. The second explains the increase in sedimentation rate at 5.55 Ma as a consequence of local basin infill and the condensation at 5.33 Ma by sediment winnowing as a result of increased current strength with the opening, or deepening, of the Gibraltar Strait.

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“…The Montemayor-1 core was drilled in the northwest of the Guadalquivir Basin. Using this borehole, various paleoenvironmental studies, based on benthic foraminifera, environmental magnetism, stable isotopes and pollen analyses have investigated climate, vegetation and sea level changes during the Messinian, and the possible influence of MOW (Jiménez- Larrasoaña et al, 2014;Pérez-Asensio et al, 2013;2012a;2012b, 2014. These results show that the Guadalquivir Basin shallowed before, during, and after the MSC.…”

Section: Introductionmentioning

confidence: 99%

“…Pérez-Asensio et al (2012a) also suggested that the termination of MOW is recorded in the Montemayor-1 core at 6.18 Ma, and related this event to the closure of the Guadalhorce Corridor. The existing age models of the Montemayor-1 core on which these results are based use magnetobiostratigraphic tie-points (Larrasoaña et al, 2008;2014) and the correlation of the oxygen isotope record to other, astronomically dated, isotope records in the Atlantic Ocean (Pérez-Asensio et al, 2012a). However, the identification of the marine isotope stages remains uncertain because of both the lack of high-resolution biostratigraphic age control in the critical interval above the C3A.1n-C3r reversal boundary and inconsistencies observed in the pattern of the benthic δ 18 O record.…”

Section: Introductionmentioning

confidence: 99%

Late Miocene satrochronology and basin evolution of the Atlantic side of the Betic Corridor linked to the Messinian Salinity Crisis

Berg¹

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Insight into the latest Messinian (5.7–5.2Ma) palaeoclimatic events from two deep-sea Atlantic Ocean ODP Sites

Cited by 3 publications

References 85 publications

Recalibrating the molecular clock for Arctic marine invertebrates based on DNA barcodes

Recalibrating the molecular clock for Arctic marine invertebrates based on DNA barcodes

Imprint of Messinian Salinity Crisis events on the Spanish Atlantic margin

Late Miocene satrochronology and basin evolution of the Atlantic side of the Betic Corridor linked to the Messinian Salinity Crisis

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