Sr isotopes and pore fluid chemistry in carbonate sediment of the Ontong Java Plateau: Calcite recrystallization rates and evidence for a rapid rise in seawater Mg over the last 10 million years

Fantle, Matthew S.; DePaolo, Donald J.

doi:10.1016/j.gca.2006.06.009

Cited by 157 publications

(254 citation statements)

References 60 publications

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“…Variations in seawater Mg/Ca also need to be considered when estimating secular changes in ocean temperature from foraminiferal Mg/Ca. However, available reconstructions suggest very minor change in seawater Mg/Ca over the Pleistocene (past ~2 Ma) (Fantle and DePaolo, 2006;Sime et al, 2007), consistent with the long oceanic residence times (>1 Myr) of these major elements. A comparison of U K 37 ' and Mg/Ca SST reconstructions spanning the last 5…”

Section: Mg/ca In Planktonic Foraminiferamentioning

confidence: 73%

Pleistocene sea-surface temperature evolution: Early cooling, delayed glacial intensification, and implications for the mid-Pleistocene climate transition

McClymont

Sosdian

Rosell-Melé

et al. 2013

Earth-Science Reviews

177

172

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Citation for published item:w glymontD iFvF nd osdi nD FwF nd osellEwel¡ e D eF nd osenth lD F @PHIQA 9i rly leisto ene se Esurf e temper ture trends X e rly oolingD gl i l intensi( tionD nd impli tions for the midE leisto ene lim te tr nsitionF9D i rthEs ien e reviewsFD IPQ F ppF IUQEIWQF Further information on publisher's website:httpXGGdxFdoiForgGIHFIHITGjFe rs irevFPHIQFHRFHHT Publisher's copyright statement: NOTICE: this is the author's version of a work that was accepted for publication in Earth-science reviews. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be re ected in this document. Changes may have been made to this work since it was submitted for publication. A de nitive version was subsequently published in Earth-science reviews. 123, 2013, 10.1016/j.earscirev.2013.04.006 Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.A C C E P T E D M A N U S C R I P T A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT2 AbstractThe mid-Pleistocene climate transition (MPT) is defined by the emergence of high amplitude, quasi-100 ka glacial-interglacial cycles from a prior regime of more subtle 41 ka cycles. This change in periodicity and amplitude cannot be explained by a change in 'external' astronomical forcing. Here, we review and integrate published records of sea-surface temperatures (SSTs) to assess whether a common global expression of the MPT in the surface ocean can be recognized, and examine our findings in light of mechanisms proposed to explain climate system reorganization across the MPT. Weshow that glacial-interglacial variability in SSTs is superimposed upon a longer-term cooling trend in oceanographic systems spanning the low-to high-latitudes. Regional Alongside the long-term SST cooling trends, quasi-100 ka cycles begin to emerge in both the SST and  18 O records at 1.2 Ma, and become dominant with the expansion of the ice-sheets at 0.9 Ma. We show that the intensified glacial-stage cooling is accompanied by...

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Section: Mg/ca In Planktonic Foraminiferamentioning

confidence: 73%

Pleistocene sea-surface temperature evolution: Early cooling, delayed glacial intensification, and implications for the mid-Pleistocene climate transition

McClymont

Sosdian

Rosell-Melé

et al. 2013

Earth-Science Reviews

177

172

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“…We first take established mathematical frameworks used to quantify how dissolution-reprecipitation reactions in carbonate sediments affect chemical and bulk isotopic compositions (i.e.,  18 O and  13 C values) of carbonate minerals DePaolo, 1987, 1988;Schrag et al, 1992Schrag et al, , 1995Fantle and DePaolo, 2006;Fantle et al, 2010;Higgins and Schrag, 2012) and extend them to include predictions of how  47 values change during diagenesis. We then ground truth the model.…”

Section: Use Of mentioning

confidence: 99%

“…The effects of diagenesis on the chemical and isotopic composition of deep-sea carbonates has been explored extensively using both numerical models and measurements of the isotopic and chemical composition of carbonates and pore fluids for a variety of elements including oxygen, magnesium, and strontium (Killingley, 1983;DePaolo, 1987, 1988;Schrag et al, 1992;Richter and Liang, 1993;Schrag et al, 1995;Fantle and DePaolo, 2006;Fantle et al, 2010;Higgins and Schrag, 2012). Here, we first review the conceptual and quantitative framework of these models (section 3.1.1).…”

Section: Diagenesis In Deep-sea Sedimentsmentioning

confidence: 99%

“…2; Schrag et al, 1992;Schrag et al, 1995 A1). This site was chosen, in part, because it has been used in numerous previous studies on the effects of diagenesis on the concentrations and isotopic composition of strontium (Fantle and DePaolo, 2006), calcium (Fantle and DePaolo, 2007), and magnesium (Higgins and Schrag, 2012) in carbonates and pore fluids as well as  18 O carb values (Schrag et al, 1995). All diagenetic models imply substantial amounts of recrystallization occurred at site 807.…”

Section: Model Predictions For Shallow Sedimentsmentioning

confidence: 99%

“…All diagenetic models imply substantial amounts of recrystallization occurred at site 807. Specifically, estimates of total percent recrystallization from 0 to 1000 meters core depth vary from 35% (Fantle and DePaolo, 2006) to 90% (Schrag et al, 1995). For comparison, the illustrative model (Section 3.1) described above yields 40% total recrystallization by 1000 meters depth.…”

Section: Model Predictions For Shallow Sedimentsmentioning

confidence: 99%

See 2 more Smart Citations

Modeling the effects of diagenesis on carbonate clumped-isotope values in deep- and shallow-water settings

Stolper

Eiler

Higgins

2018

Geochimica et Cosmochimica Acta

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. O values provides new constraints on both the diagenetic history of deep-sea settings as well as past equatorial sea-surface temperatures. Specifically, the combination of the diagenetic model and data support previous work that indicates equatorial sea-surface temperatures were warmer in the Paleogene as compared to today. We then explore whether the model is applicable to shallow-water settings commonly preserved in the rock record. Using a previously published dataset from the Bahamas, we demonstrate that the model captures the main trends of the data as a function of burial depth and thus appears applicable to a range of depositional settings.

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The late Pliocene Benguela upwelling status revisited by means of multiple temperature proxies

Leduc

Garbe‐Schönberg²,

Regenberg³

et al. 2014

Geochem Geophys Geosyst

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[1] As compared to the late Pleistocene, Alkenone-based sea surface temperature (SST) in the Benguela region revealed relatively warm and stable SST recorded between 3.5 and 2.0 Ma, and coincide with a period of increasing biological productivity as revealed by increasing deposition of biogenic opal. We assess how the hydrological patterns recorded in SST proxies are embedded in the geological record by performing a proxy-proxy comparison. We used Laser-Ablation Inductively Coupled Plasma-Mass Spectrometry to measure the Mg/Ca on the planktonic foraminifera species Globigerina bulloides, allowing in situ measurements of Mg/Ca on individual foraminiferal tests. Mg/Ca-derived temperatures provide much colder temperatures than alkenone-derived SST by up to 10 C. We build a scenario involving contrasting sensitivities of paleothermometers upon the annual cycle, namely alkenones preferentially capturing SST when the surface ocean is warmer than the mean-annual average SST, and G. bulloides capturing SST when upwelling intensifies. Multichamber analysis also suggests that G. bulloides migrates below the sea surface while calcifying its last chambers prior to gametogenesis, allowing the extraction of both surface and subsurface temperature from Mg/Ca measured on different chambers. The range of temperatures recorded between our multiple SST proxies is supported by the range of temperatures simulated with a general circulation model when different seasons, different water depth and different orbital configurations occurring during the late Pliocene are considered. A greater seasonal cycle in SST during the Pliocene can account for alkenone and Mg/Ca-derived temperature contrast, pointing to a radically different mode of upwelling activity in the Benguela region compared to today.

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Sr isotopes and pore fluid chemistry in carbonate sediment of the Ontong Java Plateau: Calcite recrystallization rates and evidence for a rapid rise in seawater Mg over the last 10 million years

Cited by 157 publications

References 60 publications

Pleistocene sea-surface temperature evolution: Early cooling, delayed glacial intensification, and implications for the mid-Pleistocene climate transition

Pleistocene sea-surface temperature evolution: Early cooling, delayed glacial intensification, and implications for the mid-Pleistocene climate transition

Modeling the effects of diagenesis on carbonate clumped-isotope values in deep- and shallow-water settings

The late Pliocene Benguela upwelling status revisited by means of multiple temperature proxies

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