Erosional truncation of uppermost Permian shallow-marine carbonates and implications for Permian-Triassic boundary events: Reply

Payne, Jonathan L.; Lehrmann, Daniel J.; Follett, David; Seibel, Margaret; Kump, Lee R.; Riccardi, Anthony; Altıner, Demir; Sano, Hidehiko; Wei, Jiayong

doi:10.1130/b26588.1

Cited by 14 publications

(5 citation statements)

References 28 publications

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“…A conspicuous irregular surface is beneath the microbialite in Xiajiacao (Figs 3, 5), as observed in other PTBMs elsewhere in South China (Ezaki et al, 2003;Liu et al, 2007;Payne et al, 2007Payne et al, , 2009Collin et al, 2009;Wignall et al, 2009;Kershaw et al, 2012;Lehrmann et al, 2015).…”

Section: Origin Of Irregular Contact Between Microbialite and Skeletal Packstonesupporting

confidence: 66%

Volcanism, redox conditions, and microbialite growth linked with the end-Permian mass extinction: Evidence from the Xiajiacao section (western Hubei Province), South China

Pei

Chen

Fang

et al. 2019

Palaeogeography, Palaeoclimatology, Palaeoecology

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A new Permian-Triassic boundary microbialite (PTBM) is described from the Xiajiacao section of western Hubei Province, South China. The new microbialite, 3.16 m thick, comprises a thin layer of stromatolite and a thick thrombolite unit. An irregular contact separates the uppermost Permian skeletal packstone from the postextinction stromatolite, but it is not yet possible to discriminate whether it was formed by submarine solution in the wake of ocean acidification or subaerial exposure due to regional regression, or a combination of both. The stromatolite shows "cabbage-like" morphology, and the thrombolite is characterized by centimetric clotted texture.

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Section: Origin Of Irregular Contact Between Microbialite and Skeletal Packstonesupporting

confidence: 66%

Volcanism, redox conditions, and microbialite growth linked with the end-Permian mass extinction: Evidence from the Xiajiacao section (western Hubei Province), South China

Pei

Chen

Fang

et al. 2019

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…However, the interpretation is controversial (Wignall et al, 2009;Payne et al, 2009), with the fundamental issue being whether the dissolution features observed occurred during subaerial exposure (i.e., during weathering) or while submerged, in response to ocean acidification. A broader search for dissolution features and diagnostic criteria is underway.…”

Section: Calcification Crisis During End-permian Extinctionmentioning

confidence: 99%

Ocean Acidification in Deep Time

Kump¹,

Bralower²,

Ridgwell³

2009

Oceanog.

184

144

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94 reconstruction of alexander island fossil forests, antarctica, mid-cretaceous (~ 100 million years ago). The reconstruction based on the work of J. howe and J. Francis, university of leeds, and work of the british antarctic Survey. artwork by r. Nicholls, http://www.paleocreations.com. The original painting is housed at the british antarctic Survey, cambridge, uK. b y l e e r . K u m p, t i m o t h y J . b r a l o w e r , a N d a N dy r i d g w e l l b y l e e r . K u m p, t i m o t h y J . b r a l o w e r , a N d a N dy r i d g w e l l

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“…An erosional surface at the formational boundary has been observed in many other Tethyan sections (Turkey, South China, Japan), but the origin (subaerial-karstic vs. submarine-dissolution surfaces) and connection with the main extinction phase are greatly debated (e.g. Payne et al, 2007Payne et al, , 2009Wignall et al, 2009). The occurrence of oxidized bioclasts both in the uppermost Bulla and basal Tesero members of the Werfen Fm in some basinward sections (e.g.…”

Section: Rich Marine Assemblages Prelude the Extinction (In 1 Sequencmentioning

confidence: 98%

Marine biotic events in the Lopingian succession and latest Permian extinction in the Southern Alps (Italy)

Posenato

2010

Geological Journal

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The Upper Permian in the eastern Southern Alps consists of an overall transgressive sedimentary succession of continental red beds (Val Gardena Sandstone), which are overlain and interfingered by the marine Bellerophon Fm, consisting of sulphate evaporites, dolomites and neritic limestones. In the western Dolomites, a key-area for analyzing the stratigraphic framework and biotic events connected with the Permian-Triassic boundary and related mass extinction studies, the Bellerophon Fm is followed by oolitic limestone of the Werfen Fm, where the end-Permian mass extinction and the erathem boundary, located a few centimetres and few metres respectively above the formational contact.\ud The marine events presented here are located in three historical sections in the western Dolomites (Bletterbach, Seceda-Monte Balest, and Putia). Bioevents mostly concern brachiopod and cephalopod assemblages, discussed herein in terms of biodiversity changes and bio-chronostratigraphic value. Recent data on cephalopod and conodont biostratigraphy have improved significantly the chronostratigraphic framework of the upper part of the succession and its correlation with other Tethyan localities. As far as concerns nautiloids, the Tirolonautilus beds (T. crux and Tirolonautilus sebedinus lineage zone) are Changhsingian in age; while, all the Comelicania-bearing brachiopod beds are late Changhsingian in age.\ud The extinction pattern of the Dolomites is compared with that which occurred in the GSSP Meishan (South China) section. In both regions, the main extinction phase is probably synchronous, whereas the ultimate extinction of relicts is slightly diachronous. However, in the Dolomites the extinction seems to have been more catastrophic, because of the lack of the Chinese prelude phase, which is also characterized by miniaturization. On the other hand, the supposed coeval Dolomites assemblages have a high biodiversity, both in richness and abundance, and include gigantic brachiopod species

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Erosional truncation of uppermost Permian shallow-marine carbonates and implications for Permian-Triassic boundary events: Reply

Cited by 14 publications

References 28 publications

Volcanism, redox conditions, and microbialite growth linked with the end-Permian mass extinction: Evidence from the Xiajiacao section (western Hubei Province), South China

Volcanism, redox conditions, and microbialite growth linked with the end-Permian mass extinction: Evidence from the Xiajiacao section (western Hubei Province), South China

Ocean Acidification in Deep Time

Marine biotic events in the Lopingian succession and latest Permian extinction in the Southern Alps (Italy)

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