Climate warming, euxinia and carbon isotope perturbations during the Carnian (Triassic) Crisis in South China

Sun, Yongge; Wignall, Paul B.; Joachimski, Michael M.; Bond, David P.G.; Grasby, Stephen E.; Lai, Xulong; Wang, L. N.; Zhang, Z. T.; Sun, Si

doi:10.1016/j.epsl.2016.03.037

Cited by 111 publications

(118 citation statements)

References 43 publications

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“…Based on studies of the Zhenfeng (Yongyue and Long Chang sections), Luopin (Caizitang section) and Guanling (Tianshuo and Wolonggang sections) faunas, the diverse early Carnian conodont in the south‐western China shows a decline in number of species during the Julian 1–2 transition, with only a few species remaining after the Carnian Humid Episode (Sun et al . , Zhang et al . and this study).…”

Section: Discussionmentioning

confidence: 99%

“…; South China: Sun et al . ; Zhang et al . ; Japan: Koike ; Igo ; India: Chhabra & Kumar ) and it has been proposed as a zonal marker for the latest Ladinian (e.g.…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…; Sun et al . ), and its FAD is often used to define the base of Carnian (e.g. Krystyn ; Sun et al .…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…; Sun ), where it ranges from the base of the Julian and to possibly the Tuvalian 1/Tuvalian 2 transition (Sun et al . ; Zhang et al . ).…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…It occurs regionally in the upper Zhuganpo and lower Wayao formations in Zhenfeng (Sun et al . (, fig. 6.14) identified it as Q. sp.…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

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Carnian (Late Triassic) conodont faunas from south‐western China and their implications

Zhang

Sun

Lai

et al. 2018

Papers in Palaeontology

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Conodonts are important index fossils for supra-regional correlation especially in the Triassic. However, early Carnian conodonts are comparatively poorly known in South China. In this study, conodont biostratigraphy and taxonomy are investigated at three sections in the provinces of Yunnan and Guizhou. Two genera and 23 species are identified, including 4 new species: Quadralella (Q.) postica sp. nov., Q. robusta sp. nov., Q. wignalli sp. nov. and Q. yongningensis sp. nov. Five conodont zones are recognized. They are, in ascending order, the Paragondolella foliata Zone, Q. polygnathiformis Zone, Q. praelindae Zone, Q. aff. auriformis Zone and Q. robusta Zone. Conodonts are reasonably diverse and abundant in the upper Zhuganpo Formation (Julian 1) but decrease sharply in both species richness and diversity towards the Wayao Formation (Julian 2 and younger). It is most likely that this change was caused by climate warming and marine anoxia during the Carnian Humid Episode.

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Section: Discussionmentioning

confidence: 99%

“…; South China: Sun et al . ; Zhang et al . ; Japan: Koike ; Igo ; India: Chhabra & Kumar ) and it has been proposed as a zonal marker for the latest Ladinian (e.g.…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…; Sun et al . ), and its FAD is often used to define the base of Carnian (e.g. Krystyn ; Sun et al .…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…; Sun ), where it ranges from the base of the Julian and to possibly the Tuvalian 1/Tuvalian 2 transition (Sun et al . ; Zhang et al . ).…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

“…It occurs regionally in the upper Zhuganpo and lower Wayao formations in Zhenfeng (Sun et al . (, fig. 6.14) identified it as Q. sp.…”

Section: Conodont Biostratigraphymentioning

confidence: 99%

See 3 more Smart Citations

Carnian (Late Triassic) conodont faunas from south‐western China and their implications

Zhang

Sun

Lai

et al. 2018

Papers in Palaeontology

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In search of the inland Carnian Pluvial Event: Middle–Upper Triassic transition profile and U–Pb isotopic dating in the Yanchang Formation in Ordos Basin, China

Sun

Liu

et al. 2019

Geological Journal

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The Carnian Pluvial Event (CPE) in the early Late Triassic is a global climate change. The CPE is not only recorded in the ocean but also on the continent. It has been well‐documented in the marine environments in Tethys and boreal areas. However, it is less reported for the terrestrial. As a global precipitation event, the CPE on the supercontinent Pangaea is related directly to the sudden increase in argillaceous transportation in the marine carbonate platform. Here, we report a chronological study of the Yunmeng profile in south‐eastern Ordos Basin, China where the continuous lacustrine deposits developed with several tuff interlayers. Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA‐ICP‐MS) U–Pb isotopic dating of zircons from three bentonite samples show weighted mean ages of 234.1 ± 2.4 Ma, 234.8 ± 2.1 Ma, and 236.0 ± 1.7 Ma, respectively. Based on the review of isotopic dating, sedimentary and palaeontological characteristics of the Triassic Yanchang Formation, the Middle and Upper Triassic boundary is located at the bottom of Chang 7 oil layer (YC7) in the Yanchang Formation at the Yunmeng profile in the Ordos Basin. Therefore, the Yunmeng profile provides a potential case for understanding the inland CPE and might link the terrestrial and oceanic systems in the Carnian.

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Late Triassic (Julian) conodont biostratigraphy of a transition from reefal limestones to deep‐water environments on the Cimmerian terranes (Taurus Mountains, southern Turkey)

Chen

Lukeneder

2017

Papers in Palaeontology

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Sections at As ßa giyaylabel and Yukariyaylabel, Taurus Mountains, southern Turkey, provide a rare opportunity to investigate conodont faunas in detail across a reef to slope transition. Intensive sampling of limestone beds (wackestones to packstones) through approximately 3 m at these locations has led to the recognition of a new lower Carnian (Julian 1/2) conodont fauna within the Kartoz and Kasimlar formations. Members of the subfamilies Paragondolellinae and Pseudofurnishiinae are recognized. The genus Kraussodontus is reported for the first time from the Taurus Mountains. Mosherella postkockeli and Mosherella praebudaensis sp. nov. occur within the lower Carnian Carbonate Member of the Kasimlar Formation from the Taurus Platform Units. The discovery of the new conodont assemblages from As ßa giyaylabel and Yukariyaylabel facilitates a correlation with faunal assemblages worldwide. F I G . 1 . Position of the As ßa giyaylabel (= Kartoz) and Yukariyaylabel (= Karapinar) sections in the Taurus Mountains (Anatolia, southwest Turkey). A, geography; and B, geology of the investigated area. C, outcrops of Upper Triassic sediments around the area of As ßa giyaylabel and Yukariyaylabel within the the Anamas Daǧ carbonate platform. Investigated sections are indicated as ASI and IV and KAI, II

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Climate warming, euxinia and carbon isotope perturbations during the Carnian (Triassic) Crisis in South China

Cited by 111 publications

References 43 publications

Carnian (Late Triassic) conodont faunas from south‐western China and their implications

Carnian (Late Triassic) conodont faunas from south‐western China and their implications

In search of the inland Carnian Pluvial Event: Middle–Upper Triassic transition profile and U–Pb isotopic dating in the Yanchang Formation in Ordos Basin, China

Late Triassic (Julian) conodont biostratigraphy of a transition from reefal limestones to deep‐water environments on the Cimmerian terranes (Taurus Mountains, southern Turkey)

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