Late Mississippian glacio-eustasy recorded in the eastern Paleo-Tethys Ocean (South China)

Chen, Jitao; Sheng, Qingyi; Hu, Keyi; Yao, Le; Lin, Wei; Montañez, Isabel P.; Tian, Xiaoxu; Qi, Yuping; Wang, Xiangdong

doi:10.1016/j.palaeo.2018.07.021

Cited by 29 publications

(17 citation statements)

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“…The studied sections (except the Dianzishang section) in South China were deposited near continuously in a carbonate slope setting, which warrants high‐resolution carbonate δ 13 C time series across the MPB (Figure ). The slope carbonates were unaltered by meteoric diagenesis (Buggisch et al, ; J. Chen et al, , Chen, Sheng, et al, ) and most likely preserved original seawater δ 13 C values across the MPB. Nevertheless, the carbonate δ 13 C values across the MPB in South China sections only record a minor but distinct increase by ~0.5–1.0‰, which is significantly smaller in magnitude than that in Europe (~3.0‰) and North America (~1.5‰).…”

Section: Discussionmentioning

confidence: 99%

“…The slope carbonates were unaltered by meteoric diagenesis (Buggisch et al, 2011;J. Chen et al, 2016, Chen, Sheng, et al, 2018 and most likely preserved original seawater δ 13 C values across the MPB. Nevertheless, the carbonate δ 13 C values across the MPB in South China sections only record a minor but distinct increase by~0.5-1.0‰, which is significantly smaller in magnitude than that in Europe (~3.0‰) and North America (~1.5‰).…”

Section: Carbonate δ 1 3 C Across the Mpbmentioning

confidence: 95%

“…Development of palaeosol and palaeokarst or occurrence of siliciclastics and dolomite across the MPB in carbonate platform successions of South China indicates a sea‐level fall across the MPB (e.g., Chen, Sheng, et al, ; Mei et al, ; Wang et al, ). Integrating these coeval subaerial exposure features in the inner platform of South China, the normally‐graded packstones or slump masses that occur immediately above the MPB in the studied sections most likely indicate a significant sea‐level fall.…”

Section: Sedimentary Facies and Sea‐level Change Across The Mpbmentioning

confidence: 99%

“…The chert nodules or irregular beds formed most likely by replacement of preceding calcite by silica during diagenesis given that they show nodular or irregular shapes (primary chert beds are mostly thin-and flat-bedded) and that they occur in all facies and some of the partially chertified bioclastic wackestones to packstones still remain the bioclastic features with unchertified fossil fragments such as crinoids ossicles. Chen, Sheng, et al, 2018;Mei et al, 2005;Wang et al, 2013).…”

Section: Facies Interpretation and Sea-level Changementioning

confidence: 99%

“…The late Palaeozoic ice age (LPIA) started in the latest Devonian and ended in the middle Permian, when global palaeogeography (closure of Rheic Ocean and formation of supercontinent Pangaea) and land ecosystems (radiation and evolution of the oldest rainforests) experienced major changes (Chen, Montañez, Qi, Shen, & Wang, 2018;DiMichele, Cecil, & Montañez, 2014;Isbell et al, 2012;Montañez, 2016;Montañez & Poulsen, 2013;Veevers, 2013). Sedimentological and geochemical studies suggest that major continental glaciation on Gondwana was most likely initiated in the late Visean (e.g., Barham, Murray, Joachimski, & Williams, 2012;Fielding & Frank, 2015;Chen, Sheng, et al, 2018;Smith & Read, 2000;Wright & Vanstone, 2001) and reached the first peak in the Mississippian-Pennsylvanian boundary (MPB) interval (B. Montañez & Poulsen, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

et al. 2019

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A positive carbonate δ13C excursion (by ~1.5–3.0‰) has been reported across the Mississippian–Pennsylvanian boundary (MPB) from Euramerican epicontinental seas, implying a coeval atmospheric pCO2 decrease and Gondwanan glaciation at that time. This excursion was mainly observed in carbonate platforms which experienced repeated subaerial exposure. The South China Block was located in the middle of the Paleo‐Tethys Ocean and the Panthalassic Ocean during the Carboniferous and contains well‐preserved carbonate slope strata across the MPB. Four lithofacies were defined in the studied Naqing, Narao, and Dianzishang sections, including thin‐bedded lime mudstones, laminated wackestones to packstones, normally‐graded packstones, and slumped limestones. Immediately above the MPB, a bed of normally‐graded packstones or slump masses occurs in the studied sections, which together with coeval subaerial‐exposure features in shallow‐water carbonate platform of South China, suggests a significant sea‐level fall across the MPB. Carbonate δ13C records show a consistent value of ~3.0‰ below the MPB in the Naqing and Narao sections, and both sections show an obvious rise in δ13C across the MPB (by ~0.5–1.0‰). The relatively small‐magnitude rise in δ13C would have resulted from well‐mixed seawater induced by intensified upwelling in the eastern Paleo‐Tethys Ocean during the glacial peak. Hence, the carbonate δ13C values recorded in the South China Block may represent a mean δ13C of the dissolved inorganic carbon in global ocean water at that time. Correlation between carbonate δ13C and previously published conodont δ18O and 87Sr/86Sr records suggests that the MPB glaciation was mainly driven by enhanced continental weathering, rather than increased organic carbon burial, although further quantitative simulation is required to better understand the interlinked processes during the Earth's penultimate icehouse.

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Section: Discussionmentioning

confidence: 99%

Section: Carbonate δ 1 3 C Across the Mpbmentioning

confidence: 95%

Section: Sedimentary Facies and Sea‐level Change Across The Mpbmentioning

confidence: 99%

Section: Facies Interpretation and Sea-level Changementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

et al. 2019

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Conodont faunas across the Kasimovian–Gzhelian boundary (Late Pennsylvanian) in South China and implications for the selection of the stratotype for the base of the global Gzhelian Stage

Barrick

Hogancamp

et al. 2020

Papers in Palaeontology

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The upper Pennsylvanian Naqing and Narao carbonate successions were deposited in intra-platform slope-to-basinal settings across the Kasimovian-Gzhelian boundary in Guizhou, South China. Conodont faunas consist of a mixture of the endemic taxa of the Idiognathodus luodianensis group and cosmopolitan species of the I. simulator group. The I. luodianensis group includes the new species I. fengtingensis, I. luodianensis, I. naqingensis and I. naraoensis. On platform landmark analysis the species of the I. luodianensis group differ in morphological features from co-occurring species of the I. simulator group. Both groups display similar increasing asymmetry in P 1 element pairs across the Kasimovian-Gzhelian boundary, as recognized on the basis of the first occurrence of I. simulator. Many Kasimovian Idiognathodus species disappear and several Gzhelian species first appear with I. simulator, including two new species of Streptognathodus: S. nemyrovskae and S. zhihaoi. Just below the base of the Gzhelian, carbonate d 13 C falls from 4& to 2& in both sections. The combination of an abrupt faunal turnover immediately above the prominent negative d 13 C excursion might represent an oceanic event in South China, perhaps recognizable on a global scale. One of these two South China sections may be the best location to place the GSSP for the base of the Gzhelian Stage.

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Evolution of the conodont Diplognathodus ellesmerensis from D. benderi sp. nov. at the Bashkirian–Moscovian (lower–middle Pennsylvanian) boundary in South China

Hogancamp

Lambert

et al. 2020

Papers in Palaeontology

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Conodont assemblages from the Bashkirian-Moscovian boundary interval in the Naqing section, South China have been studied in detail. A landmark-based geometric morphometric analysis of the evolution of Diplognathodus ellesmerensis is presented. This analysis helps demonstrate that a distinct new species, D. benderi sp. nov., is the direct evolutionary ancestor of D. ellesmerensis. The potential of using the first appearance datum (FAD) of D. ellesmerensis as the Bashkirian-Moscovian boundary marker is re-evaluated via biostratigraphic correlations of conodonts and other fossil groups between different palaeogeographical basins. The FAD of D. ellesmerensis from within the D. benderi sp. nov.-D. ellesmerensis lineage is an excellent potential marker to recognize a global Bashkirian-Moscovian boundary because of its global distribution, the abundance of supplementary marker species at similar stratigraphical levels, and the close stratigraphic proximity of the FAD to the traditional Bashkirian-Moscovian boundary, thus largely preserving the original concept of the base of the Moscovian Stage.

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Late Mississippian glacio-eustasy recorded in the eastern Paleo-Tethys Ocean (South China)

Cited by 29 publications

References 33 publications

Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

Conodont faunas across the Kasimovian–Gzhelian boundary (Late Pennsylvanian) in South China and implications for the selection of the stratotype for the base of the global Gzhelian Stage

Evolution of the conodont Diplognathodus ellesmerensis from D. benderi sp. nov. at the Bashkirian–Moscovian (lower–middle Pennsylvanian) boundary in South China

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Late Mississippian glacio-eustasy recorded in the eastern Paleo-Tethys Ocean (South China)

Cited by 29 publications

References 33 publications

Glacio‐eustasy and δ13C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

Glacio‐eustasy and δ13C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

Conodont faunas across the Kasimovian–Gzhelian boundary (Late Pennsylvanian) in South China and implications for the selection of the stratotype for the base of the global Gzhelian Stage

Evolution of the conodont Diplognathodus ellesmerensis from D. benderi sp. nov. at the Bashkirian–Moscovian (lower–middle Pennsylvanian) boundary in South China

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Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation

Glacio‐eustasy and δ¹³C across the Mississippian–Pennsylvanian boundary in the eastern Paleo‐Tethys Ocean (South China): Implications for mid‐Carboniferous major glaciation