Large igneous provinces and organic carbon burial: Controls on global temperature and continental weathering during the Early Cretaceous

Bodin, Stéphane; Meissner, P.; Janssen, Nico M.M.; Steuber, Thomas; Mutterlose, Jörg

doi:10.1016/j.gloplacha.2015.09.001

Cited by 149 publications

(99 citation statements)

References 99 publications

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“…On average, samples from DSDP sites 367 and 369 appear to be more enriched in organic matter compared with other sites. By merging the δ 13 C TOC data from all DSDP sites, we observe a long‐term trend, which can be correlated with recent compilations of NW Tethyan and Pacific δ 13 C bulk data showing characteristic patterns through the Cretaceous (Bodin et al, ; Friedrich et al, ). These literature data include (1) an increase of δ 13 C bulk values from the Berriasian to the Early Aptian; (2) a stepped long‐term decrease from the Early Aptian to the Early Cenomanian; (3) a sharp positive Cenomanian excursion reaching a maximum at the Cenomanian‐Turonian boundary; (4) a high isotopic plateau during the Turonian‐Santonian interval; (5) a rapid decrease during the Campanian; and (6) a positive excursion during the Maastrichtian.…”

Section: Resultssupporting

confidence: 84%

“…On average, samples from DSDP sites 367 and 369 appear to be more enriched in organic matter compared with other sites. By merging the d 13 C TOC data from all DSDP sites, we observe a long-term trend, which can be correlated with recent compilations of NW Tethyan and Pacific d 13 C bulk data showing characteristic patterns through the Cretaceous (Bodin et al, 2015;Friedrich et al, 2012). These literature data include (1) an increase of d 13 C bulk values from the Berriasian to the Early Aptian;…”

Section: Organic Geochemistry and Stratigraphic Appraisal Of D 13 C Tsupporting

confidence: 81%

“…The lack of positive carbon isotope excursion in the younger Cretaceous samples may exclude any Maastrichtian age from our study, except for one sample (namely 41–367‐15) which has a distinct δ 13 C TOC value of −22.8‰. Although the scarcity of δ 13 C TOC values from CM1 makes it more difficult to compare the data (Figure ), the progressive decrease of −4‰ recorded within the Early Aptian‐Early Cenomanian interval and the rapid positive excursion of 3.5‰ observed at the Cenomanian‐Turonian boundary are in agreement with previously reported findings (Bodin et al, ; Friedrich et al, ).…”

Section: Resultsmentioning

confidence: 96%

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Geochemical Evidence for Large‐Scale Drainage Reorganization in Northwest Africa During the Cretaceous

Mourlot

Roddaz

Dera

et al. 2018

Geochem Geophys Geosyst

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West African drainage reorganization during Cretaceous opening of the Atlantic Ocean is deciphered here from geochemical provenance studies of Central Atlantic sediments. Changes in the geochemical signature of marine sediments are reflected in major and trace element concentrations and strontium‐neodymium radiogenic isotopic compositions of Cretaceous sedimentary rocks from eight Deep Sea Drilling Project (DSDP) sites and one exploration well. Homogeneous major and trace element compositions over time indicate sources with average upper (continental) crust signatures. However, detailed information on the ages of these sources is revealed by neodymium isotopes (expressed as ɛNd). The ɛNd(0) values from the DSDP sites show a three‐step decrease during the Late Cretaceous: (1) the Albian‐Middle Cenomanian ɛNd(0) values are heterogeneous (–5.5 to −14.9) reflecting the existence of at least three subdrainage basins with distinct sedimentary sources (Hercynian/Paleozoic, Precambrian, and mixed Precambrian/Paleozoic); (2) during the Late Cenomanian‐Turonian interval, ɛNd(0) values become homogeneous in the deepwater basin (–10.3 to −12.4), showing a negative shift of 2 epsilon units interpreted as an increasing contribution of Precambrian inputs; (3) this negative shift continues in the Campanian‐Maastrichtian (ɛNd(0) = −15), indicating that Precambrian sources became dominant. These provenance changes are hypothesized to be related to the opening of the South and Equatorial Atlantic Ocean, coincident with tectonic uplift of the continental margin triggered by Africa‐Europe convergence. Finally, the difference between ɛNd(0)values of Cretaceous sediments from the Senegal continental shelf and from the deepwater basins suggests that ocean currents prevented detrital material from the Mauritanides reaching deepwater areas.

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Section: Resultssupporting

confidence: 84%

Section: Organic Geochemistry and Stratigraphic Appraisal Of D 13 C Tsupporting

confidence: 81%

Section: Resultsmentioning

confidence: 96%

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Geochemical Evidence for Large‐Scale Drainage Reorganization in Northwest Africa During the Cretaceous

Mourlot

Roddaz

Dera

et al. 2018

Geochem Geophys Geosyst

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“…Similar trends have been observed elsewhere (e.g., Tremolada et al, 2006;Price and Rogov, 2009;Grabowski et al, 2010b), but not universally as other studies found opposite trends (e.g., Emmanuel and Renard, 1993;Padden et al, 2002). Larger datasets through the Late Jurassic and into the Cretaceous, based on the isotopic composition of fossil belemnites and brachiopods (e.g., Veizer, et al, 1999;Gröcke et al, 2003;Wierzbowski, 2004;McArthur et al, 2007;Riboulleau et al, 1998;Bodin et al, 2009Bodin et al, , 2015Price and Rogov 2009;Dera et al, 2011;Alberti et al, 2012;Price et al, 2000;2013;Meissner et al, 2015), also show a similar trends (Fig. 8).…”

Section: Oxygen Isotopes and Palaeoenvironmental Changementioning

confidence: 64%

Carbon cycle history through the Jurassic–Cretaceous boundary: A new global δ13C stack

Price

Főzy

Pálfy

2016

Palaeogeography, Palaeoclimatology, Palaeoecology

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We present new carbon and oxygen isotope curves from sections in the Bakony Mts. (Hungary), constrained by biostratigraphy and magnetostratigraphy in order to evaluate whether carbon isotopes can provide a tool to help establish and correlate the last system boundary remaining undefined in the Phanerozoic as well provide data to better understand the carbon cycle history and environmental drivers during the Jurassic-Cretaceous interval. We observe a gentle decrease in carbon isotope values through the Late Jurassic. A pronounced shift to more positive carbon isotope values does not occur until the Valanginian, corresponding to the Weissert event. In order to place the newly obtained stable to relatively stable δ 13 C values, compounded by a slope which is too slight. There is no clear isotopic marker event for the system boundary. The long-term gradual change towards more negative carbon isotope values through the Jurassic-Cretaceous transition has previously been explained by increasingly oligotrophic condition and lessened primary production. However, this contradicts the reported increase in 87 Sr/ 86 Sr ratios suggesting intensification of weathering (and a decreasing contribution of non-radiogenic hydrothermal Sr) and presumably a concomitant rise in nutrient input into the oceans.The concomitant rise of modern phytoplankton groups (dinoflagellates and coccolithophores) would have also led to increased primary productivity, making the negative carbon isotope trend even more notable. We suggest that gradual oceanographic changes, more effective connections and mixing between the Tethys, Atlantic and Pacific Oceans, would have promoted a shift towards enhanced burial of isotopically heavy carbonate carbon and effective recycling of isotopically light organic matter.These processes account for the observed long-term trend, interrupted only by the Weissert event in the Valanginian.

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“…Shallow-water carbon isotope variations recorded by bulk carbonate material have been proven to provide welldefined tie points for the correlation of deep-time carbonate platform sections and has further been used to stratigraphically link major changes in biosedimentation (biotic turnovers, carbonate platform demise and drowning) to climate and palaeoenvironmental changes associated with major carbon cycle perturbations (F€ ollmi et al, 1994Ferreri et al, 1997;Gr€ otsch et al, 1998;Wissler et al, 2002;Immenhauser et al, 2005;Parente et al, 2007;Burla et al, 2008;Frijia & Parente, 2008;Elrick et al, 2009;Mill an et al, 2009Mill an et al, , 2011El-Sabbagh et al, 2011;Huck et al, 2011Huck et al, , 2013Huck et al, , 2014Di Lucia et al, 2012;Krencker et al, 2014;Bodin et al, 2015;Wohlwend et al, 2016). Unfortunately, the carbon isotope-based stratigraphic refinement of biostratigraphically poorly constrained shallow-water sections is often afflicted with large uncertainties unless additional stratigraphic methods such as strontium isotope stratigraphy (SIS) are applied (Huck et al, 2010(Huck et al, , 2011Horikx et al, 2014;Frijia et al, 2015;Huck & Heimhofer, 2015;Bover-Arnal et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Disentangling shallow‐water bulk carbonate carbon isotope archives with evidence for multi‐stage diagenesis: An in‐depth component‐specific petrographic and geochemical study from Oman (mid‐Cretaceous)

Huck

Wohlwend

Coimbra

et al. 2017

The Depositional Record

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Disentangling shallow-water bulk carbonate carbon isotope archives into primary and diagenetic components is a notoriously difficult task and even diagenetically screened records often provide chemostratigraphic patterns that significantly differ from global signals. This is mainly caused by the polygenetic nature of shallow-water carbonate substrates, local carbon cycle processes causing considerable neritic-pelagic isotope gradients and the presence of hiatal surfaces resulting in extremely low carbonate preservation rates. Provided here is an in-depth petrographic and geochemical evaluation of different carbonate phases of a mid-Cretaceous (Barremian-Aptian) shallow-water limestone succession (Jabal Madar section) deposited on the tropical Arabian carbonate platform in Oman. The superposition of stable isotope signatures of identified carbonate phases causes a complex and often noisy bulk carbon isotope pattern. Blocky sparite cements filling intergranular pores and bioclastic voids evidence intermediate to (arguably) deep burial diagenetic conditions during their formation, owing to different timing or differential faulting promoting the circulation of fluids from variable sources. In contrast, sparite cements filling sub-vertical veins reveal a rock-buffered diagenetic fluid composition with an intriguing moderate enrichment in 13 C, probably due to fractionation during pressure release in the context of the Miocene exhumation of the carbonate platform under study. The presence of abundant, replacive dedolomite in mudsupported limestone samples forced negative carbon and oxygen isotope changes that are either associated with the thermal breakdown of organic matter in the deep burial realm or the expulsion of buried meteoric water in the intermediate burial realm. Notwithstanding the documented stratigraphically variable and often facies-related impact of different diagenetic fluids on the bulk-rock stable isotope signature, the identification of diagenetic end-members defined d 13 C and d 18 O threshold values that allowed the most reliable 'primary' bulk carbon isotope signatures to be extracted. Most importantly, this approach exemplifies how to place regional shallow-water stable isotope patterns with evidence for a complex multi-stage diagenetic history into a supraregional or even global context.

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Large igneous provinces and organic carbon burial: Controls on global temperature and continental weathering during the Early Cretaceous

Cited by 149 publications

References 99 publications

Geochemical Evidence for Large‐Scale Drainage Reorganization in Northwest Africa During the Cretaceous

Geochemical Evidence for Large‐Scale Drainage Reorganization in Northwest Africa During the Cretaceous

Carbon cycle history through the Jurassic–Cretaceous boundary: A new global δ13C stack

Disentangling shallow‐water bulk carbonate carbon isotope archives with evidence for multi‐stage diagenesis: An in‐depth component‐specific petrographic and geochemical study from Oman (mid‐Cretaceous)

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