Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation

Park, Jino; Lee, Jeong Hyun; Liang, Kun; Choh, Suk Joo

doi:10.1007/s10347-021-00626-z

Cited by 8 publications

(8 citation statements)

References 81 publications

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“…The formation is characterized by mixed carbonate–clastic deposits and is situated on the Zhe-Gan Platform along the northern margin of the Cathaysian landmass (Li et al, 2004; Zhang et al, 2007; Park et al, 2021). The depositional environment is interpreted to have been a mixed siliciclastic–carbonate ramp-type platform (Park et al, 2021). The Zhuzhai section of the formation can be divided into three partially correlated subsections, ZU1, ZU2, and ZU3 (Lee et al, 2012; Figs.…”

Section: Geological Settingmentioning

confidence: 99%

“…The Jiangshan-Changshan-Yushan (JCY) triangle, on the border between Jiangxi and Zhejiang provinces of south-eastern China (Fig. 1), is particularly well known for the development of clathrodictyid-dominated reefs (Yu et al, 1992;Bian et al, 1996;Li et al, 2004;Wang et al, 2012;Park et al, 2021). Recent investigations of Late Ordovician stromatoporoids from the Xiazhen and coeval Sanqushan formations of the JCY triangle (Jeon et al, 2020a(Jeon et al, , 2022a revealed that clathrodictyids played a critical role in a relatively complex reef community.…”

Section: Introductionmentioning

confidence: 99%

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Rise of clathrodictyid stromatoporoids during the Great Ordovician Biodiversification Event: insights from the Upper Ordovician Xiazhen Formation of South China

Jeon

Liang²,

Kershaw³

et al. 2022

J. Paleontol.

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Clathrodictyids are the most abundant stromatoporoids in the Upper Ordovician Xiazhen Formation (middle to upper Katian) of South China. A total of nine species belonging to four clathrodictyid genera are identified in the formation, including Clathrodictyon idense Webby and Banks, 1976, Clathrodictyon cf. Cl. microundulatum Nestor, 1964, Clathrodictyon cf. Cl. mammillatum (Schmidt, 1858), Clathrodictyon megalamellatum Jeon n. sp., Clathrodictyon plicatum Webby and Banks, 1976, Ecclimadictyon nestori Webby, 1969, Ecclimadictyon undatum Webby and Banks, 1976, Camptodictyon amzassensis (Khalfina, 1960), and Labyrinthodictyon cascum (Webby and Morris, 1976). The clathrodictyid fauna in the Xiazhen Formation is very similar to those from both New South Wales and Tasmania, although the latter two Australian regions do not share any common clathrodictyid species during the Late Ordovician. The paleobiogeographic pattern indicates that the northward drift of South China resulted in a favorable environment for the migration of clathrodictyids from other peri-Gondwanan terranes to South China. In addition, these peri-Gondwanan clathrodictyid species hosted various endobionts, representing a variety of paleoecological interactions. The high abundance and species-level diversity of clathrodictyid species presumably increased the substrate availability of suitable host taxa, judging from the diverse intergrowth associations between clathrodictyids and other benthic organisms. These paleoecological interactions between stromatoporoid and other organisms are known from the Late Ordovician and became more abundant and widespread in the Siluro–Devonian. Overall, the Late Ordovician clathrodictyid assemblage in South China demonstrates one of the highest species-level diversities among all peri-Gondwanan terranes and represents a precursor of the complex, clathrodictyid-dominated communities of later metazoan reefs during the Great Ordovician Biodiversification Event. UUID: http://zoobank.org/6063c47d-cb77-4a03-98cf-b2354656dea6

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Section: Geological Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Rise of clathrodictyid stromatoporoids during the Great Ordovician Biodiversification Event: insights from the Upper Ordovician Xiazhen Formation of South China

Jeon

Liang²,

Kershaw³

et al. 2022

J. Paleontol.

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“…It is well known for the occurrence of diverse invertebrate marine organisms, including spiculate sponges and stromatoporoids, corals, bryozoans, brachiopods, trilobites, and graptolites (Chen et al, 1987; Chen, 1995, 1996; Kwon et al, 2012; Lee et al, 2012; Lee, 2013; Dai et al, 2015; Lee et al, 2016a, b, 2019; Liang et al, 2016; Sun et al, 2016; Zhang, 2016; Park et al, 2017; Zhang et al, 2018; Jeon et al, 2020a, b). The formation has been interpreted as a mixed carbonate–siliciclastic ramp-type platform (Park et al, 2021), which developed along the northern margin of the Cathaysian landmass of South China (Li et al, 2004; Zhang et al, 2007).…”

Section: Geological Settingmentioning

confidence: 99%

“…C = claystone; M = mudstone or lime mudstone; W = wackestone; P = packstone; G = grainstone, F = floatstone or framestone; R = rudstone; LLM = lower limestone member; LSM = lower shale member; MMM = middle mixed-lithology member; USM = upper shale member. Modified after Lee et al (2012) and Park et al (2021). A large version of this figure is presented in Supplementary Data 1.…”

Section: Geological Settingmentioning

confidence: 99%

Diverse labechiid stromatoporoids from the Upper Ordovician Xiazhen Formation of South China and their paleobiogeographic implications

et al. 2021

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A diverse labechiid stromatoporoid assemblage that includes 16 species in 8 genera was found in the Upper Ordovician Xiazhen Formation (mid–late Katian) at Zhuzhai, Jiangxi Province of South China. The assemblage is characterized by a combination of (1) North China provincial species succeeding from their origination in the Darriwilian, including Pseudostylodictyon poshanense Ozaki, 1938, Labechia shanhsiensis Yabe and Sugiyama, 1930, Labechia variabilis Yabe and Sugiyama, 1930, and Labechiella regularis (Yabe and Sugiyama, 1930) and (2) South China endemic species, including three new species (Labechia zhuzhainus Jeon n. sp., Labechiella beluatus Jeon n. sp., Sinabeatricea luteolus Jeon n. gen. n. sp.), and four species in open nomenclature (Rosenella sp., Cystostroma sp., Pseudostylodictyon sp., and Labechia sp.). The finding of Labechiella gondwanense Jeon n. sp., Stylostroma bubsense Webby, 1991, Stylostroma ugbrookense Webby, 1991, and Thamnobeatricea gouldi Webby, 1991 in the formation indicates that Tasmania was closely related to South China and had a closer paleobiogeographical relation with peri-Gondwanan terranes than with Laurentia. In addition, the occurrences of Labechia altunensis Dong and Wang, 1984 and Stylostroma species support a close biogeographic link between Tarim and South China through the Middle to Late Ordovician interval, corresponding with the results from other fossil groups such as brachiopods, conodonts and chitinozoans. The diverse labechiids from the Xiazhen Formation improve our understanding of the diversity of Ordovician stromatoporoids in peri-Gondwanan terranes and the biogeographic affinities among Australia (especially Tasmania), Tarim, and South China. UUID: http://zoobank.org/4f46c91b-fa4c-4fe5-bea9-e409f1785677

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“…Rocks in which calcium-magnesium carbonate is predominant are called dolomite or dolostone. Fluids that are excreted during compaction or by the conversion of gypsum to anhydrite during burial are usually saturated with Ca 2 + [11]. Such fluids have a high Mg/Ca ratio and are able to dolomitize their adjacent carbonates [12].…”

Section: Dolomitementioning

confidence: 99%

Investigation of Petrographic and Diagenetic Properties of Asmari Reservoir Cap Rock, SW Iran

Abbasi

Pourmorad²,

Mohanty³

2021

J. Hum. Earth Future

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Many problems in the production and development of oil fields lie in the correct and accurate assessment of the reservoir cap rock. Ramshir oil field is located 130 km southeast of Ahvaz and is one of the most important oil fields in the southwest of the country. To evaluate the petrographic and diagenetic properties, 300 thin microscopic sections were studied. According to petrographic studies, it was found that the cap rock in Ramshir oil field is composed of more evaporative sediments (mainly anhydrite with some gypsum) with some non-evaporative sediments (marl, carbonate and bituminous shale). The most important diagenetic processes in the study area were considered to be dolomitization, cementation, compaction, anhydrite, recrystallization and substitution. Petrographic and diagenetic studies suggest a swamp-swamp environment for this environment. Lithological changes are a sign of hot, humid, hot and dry weather during sedimentation of the cap rock of this field. Doi: 10.28991/HEF-2021-02-03-06 Full Text: PDF

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Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation

Cited by 8 publications

References 81 publications

Rise of clathrodictyid stromatoporoids during the Great Ordovician Biodiversification Event: insights from the Upper Ordovician Xiazhen Formation of South China

Rise of clathrodictyid stromatoporoids during the Great Ordovician Biodiversification Event: insights from the Upper Ordovician Xiazhen Formation of South China

Diverse labechiid stromatoporoids from the Upper Ordovician Xiazhen Formation of South China and their paleobiogeographic implications

Investigation of Petrographic and Diagenetic Properties of Asmari Reservoir Cap Rock, SW Iran

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