Upper Kellwasser carbon isotope excursion pre-dates the F–F boundary in the Upper Devonian Lennard Shelf carbonate system, Canning Basin, Western Australia

Hillbun, Kelly; Playton, Ted; Tohver, Eric; Ratcliffe, Kenneth T.; Trinajstic, Kate; Roelofs, Brett; Caulfield-Kerney, Samuel; Wray, David S.; Haines, Peter W.; Hocking, R. M.; Katz, David; Montgomery, Paul; Ward, Peter D.

doi:10.1016/j.palaeo.2015.07.035

Cited by 26 publications

(16 citation statements)

References 66 publications

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“…The demise of the tentaculitoids in the Toc Tat Formation reflects global patterns in extinction in the Late Devonian, probably linked to oceanographic change (Bond & Wignall, ; Bond et al, ; Buggisch & Joachimski, ; Hillbun et al, ; Joachimski et al, ), though Berkyova et al () and Wei et al () suggest that the general decline of tentaculitoids may also represent ecological pressure from predation by jawed fishes, cephalopods and planktonic gastropods.…”

Section: Extinction Pattern Of Tentaculitoidsmentioning

confidence: 99%

“…The LKE took place during the Palmatolepis rhenana conodont Zone of the late Frasnian, whilst the UKE is associated with the Frasnian–Famennian boundary (e.g. Hillbun et al, ; Joachimski & Buggisch, ; Schindler, ). Here we identify the local sedimentological, biostratigraphical, and chemostratigraphical signature of these Kellwasser events as they are expressed in the lower part of the Toc Tat Formation, northern Vietnam (Figure ).…”

Section: Introductionmentioning

confidence: 99%

“…The Late Devonian is associated with a mass extinction event and global oceanographic change (Becker, Gradstein, & Hammer, 2012;Becker & Kirchgasser, 2007;Becker, Königshof, & Brett, 2016;Bond, Wignall, & Racki, 2004;Bond, Zato n, Wignall, & Marynowski, 2013;Carmichael et al, 2014;Chen, Qing, & Li, 2005;Hillbun et al, 2015;Joachimski, Breisig, Buggisch, & Talent, 2009;Joachimski, van Geldern, Breisig, Buggisch, & Day, 2004;Lash, 2017). Many organism groups were affected by this extinction, particularly carbonate reef-builders, benthic animals such as trilobites, brachiopods, and ostracods, and pelagic animals such as ammonoids, and tentaculitoids (Bond, 2006;Copper, 2002;Gereke & Schindler, 2012;House, 2002;Huang & Gong, 2016;Ma et al, 2016;Ma, Sun, Hao, & Liao, 2002;McGhee, 1996;Olempska, 2002;Racki, 2005;Racki, Racka, Matyja, & Devleeschouwer, 2002;Raup & Sepkoski, 1982;Sepkoski, 1996;Webb, 1998;Wei, Gong, & Yang, 2012).…”

Section: Introductionmentioning

confidence: 99%

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The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam

et al. 2018

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Upper Devonian carbonates of the Toc Tat Formation in the Si Phai Pass area of Dong Van District, northern Vietnam were deposited in carbonate platform, slope, and basin environments. These carbonates yield abundant conodonts indicative of the Palmatolepis nasuta, Pa. linguiformis and Pa. triangularis zones, the Frasnian–Famennian stage boundary being identified by the first occurrence of Pa. triangularis. Two positive carbon isotope excursions are recognized, the lower excursion peaking in the interval of the lower to middle Pa. nasuta Zone, whilst the upper excursion peaks just above the local Frasnian–Famennian boundary. Based on the biostratigraphy, these excursions equate to the Lower and Upper Kellwasser events. Locally, tentaculitoid taxa (Nowakia, Styliolina, Homoctenus, and Metastyliolina?) are abundant in the interval of the Pa. nasuta Zone, but show a drastic decline in abundance before the Lower Kellwasser Event, and only two taxa survived into the Famennian.

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Section: Extinction Pattern Of Tentaculitoidsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam

et al. 2018

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“…Integrating the CBCP data set therefore required consolidation of multiple signals, each with differing degrees of confidence and utility, based upon the section type and/or setting being interpreted. Differences in information preservation and quality among the variable environments are common for any data set and (2006) Hillbun (2015); Hillbun et al (2015Hillbun et al ( , 2016 underscore the power of integrating multiple constraints to develop a regional framework.…”

Section: Degree Of Confidence and Limitationsmentioning

confidence: 99%

Integrated Stratigraphic Correlation of Upper Devonian Platform-to-Basin Carbonate Sequences, Lennard Shelf, Canning Basin, Western Australia: Advances in Carbonate Margin-to-Slope Sequence Stratigraphy and Stacking Patterns

Playton¹,

Hocking²,

Tohver³

et al. 2017

New Advances in Devonian Carbonates: Outcrop Analogs, Reservoirs, and Chronostratigraphy

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High-resolution, time-significant correlations are integral to meaningful stratigraphic frameworks in depositional systems but may be difficult to achieve using traditional sequence stratigraphic or biostratigraphic approaches alone, particularly in geologically complex settings. In steep, reefal carbonate margin-to-slope systems, such correlations are essential to unravel shelf-to-basin transitions, characterize strike variability, and develop predictive sequence stratigraphic models-concepts that are currently poorly understood in these heterogeneous settings. The Canning Basin Chronostratigraphy Project integrates multiple independent data sets (including biostratigraphy, magnetostratigraphy, stable isotope chemostratigraphy, and sequence stratigraphy) extracted from Upper Devonian (Frasnian and Famennian) reefal platform exposures along the Lennard Shelf, Canning Basin, Western Australia. These were used to generate a well-constrained stratigraphic framework and shelf-to-basin composite reconstruction of the carbonate system.The resultant integrated framework allows for unprecedented analysis of carbonate margin-to-slope heterogeneity, depositional architecture, and sequence stratigraphy along the Lennard Shelf. Systems tract architecture, facies partitioning, and stacking patterns of margin to lower-slope environments were assessed for six composite-scale sequences that form part of a transgressive-to-regressive supersequence and span the Frasnian-Famennian (F-F) biotic crisis. Variations are apparent in margin styles, foreslope facies proportions, dominant resedimentation processes, downslope contributing sediment factories, and vertical rock successions, related to hierarchical accommodation signals and ecological changes associated with the F-F boundary. We present these results in the form of carbonate margin-to-basin sequence stratigraphic models and associations that link seismicscale architecture to fine-scale facies heterogeneity. These models provide a predictive foundation for characterization of steep-sided flanks of reefal carbonate platform systems that is useful for both industry and academia. This study emphasizes the utility of an integrated stratigraphic approach and the insights gained from better-constrained facies and stratal architecture analysis, insights that were not achievable with traditional sequence stratigraphic or biostratigraphic techniques alone.

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“…A physical tie between the two sections was provided by a ground truthing correlation done in the field during the generation of detailed field logs (Fig. 2), and refined stratigraphic correlation between the two sections was achieved using geomagnetic polarity reversals (Hansma et al 2015, Hillbun et al 2015, Playton et al 2016. Regionally, additional stratigraphic data for the succession are provided from carbon isotope curves and conodont biostratigraphy.…”

Section: Study Materialsmentioning

confidence: 99%

Using Elemental Chemostratigraphy on Mid–Late Frasnian Platform-Top Successions from the Lennard Shelf Outcrops, Canning Basin, Western Australia

Ratcliffe¹,

Playton²,

Montgomery³

et al. 2017

New Advances in Devonian Carbonates: Outcrop Analogs, Reservoirs, and Chronostratigraphy

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High-resolution chronostratigraphic correlation using elemental chemostratigraphy in platform carbonates is typically difficult to achieve. Here, elemental chemostratigraphy is used to correlate between two platform-top, carbonate-dominated field sections from the narrow Lennard Shelf that existed on the NE margin of the Canning Basin, Western Australia, during the mid-late Frasnian. The correlation, constrained by magnetic polarity reversals and physical ground truthing, is based on recognition of distinctive cyclical ''stacking patterns'' defined by changes in concentrations of the trace element zirconium (Zr). Zr concentrations are controlled by the amount of the heavy mineral zircon in the sediments, which is derived from a terrigenous source and is diagenetically very stable. The stacking patterns in the lower part of the study sections display gradually upward-increasing values of Zr to a maximum, followed by an almost immediate fall to a minimum. In the upper part of the study interval, the cycles are more symmetrical, with both gradually increasing and decreasing portions. The point at which the change in Zr stacking pattern occurs in the two sections is synchronous and occurs in association with a supersequence maximum flooding surface. The correlation based on maximum and minimum Zr values throughout the two sections is demonstrated to be chronostratigraphic by comparison with correlations based upon paleomagnetism and physical ground truthing.When element ratios commonly used as provenance and paleoclimate proxies are plotted, the variations between closely spaced samples are greater than any systematic variations throughout the study intervals. Therefore, no isochemical chemozones can be defined, implying that during deposition of the study intervals, there were no long-lived changes in sediment provenance or paleoclimate that the elemental chemistry can detect.The work presented here shows that the standard approach of defining isochemical chemozones for chemostratigraphic correlation is not always appropriate. However, an approach using cyclical changes in elemental variables for chemostratigraphic correlation between two closely spaced sections is chronostratigraphically valid. The greater challenge is in application of the same approach to more widely spaced sections, potentially in different facies of a carbonate setting.

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Upper Kellwasser carbon isotope excursion pre-dates the F–F boundary in the Upper Devonian Lennard Shelf carbonate system, Canning Basin, Western Australia

Cited by 26 publications

References 66 publications

The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam

The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam

Integrated Stratigraphic Correlation of Upper Devonian Platform-to-Basin Carbonate Sequences, Lennard Shelf, Canning Basin, Western Australia: Advances in Carbonate Margin-to-Slope Sequence Stratigraphy and Stacking Patterns

Using Elemental Chemostratigraphy on Mid–Late Frasnian Platform-Top Successions from the Lennard Shelf Outcrops, Canning Basin, Western Australia

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