A devonian (Givetian) fore-reef slope sequence at Liangshuijing and implication for devonian platform-to-depression development in Guilin, South China

Shen, Jianwei

doi:10.1007/bf03175654

Cited by 7 publications

(8 citation statements)

References 10 publications

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“…The dominant mound‐building calcimicrobes at Hantang are Rothpletzella and Renalcis . Rothpletzella was common in other Devonian reef facies of Guilin even as early as the Givetian (Yu & Shen, 1998; Shen, 2002b) and generally occurs in platform margin and fore‐reef slope facies globally (Playford et al. , 1976; Playford, 1980; Kerans, 1985; Yu & Shen, 1998; Shen, 2002b; Stephens & Sumner, 2003).…”

Section: Interpretation and Discussionmentioning

confidence: 99%

“…Rothpletzella was common in other Devonian reef facies of Guilin even as early as the Givetian (Yu & Shen, 1998; Shen, 2002b) and generally occurs in platform margin and fore‐reef slope facies globally (Playford et al. , 1976; Playford, 1980; Kerans, 1985; Yu & Shen, 1998; Shen, 2002b; Stephens & Sumner, 2003). In the Guilin area, deep‐water Givetian stromatolites in the Liangshuijing fore‐reef slope (see Shen, 2002b) and Yangdi marginal slope facies (Fig.…”

Section: Interpretation and Discussionmentioning

confidence: 99%

“…‘1’ Stromatolite reef at Shatang (Shen & Webb, 2004b); ‘2’ Renalcis reef at Miaomen (Shen & Webb, 2004a); ‘3’ Renalcis ‐ Epiphyton reef at Zhaijiang (Shen et al. , 1997); ‘4’ algal mound at Qifengzhen (Yu & Shen, 1998); ‘5’ stromatolite biostrome at Liangshuijing (Shen, 2002b); ‘6’ coral‐stromatoporoid reef at Tangjiawan (Yu & Shen, 1998); ‘7’ coral‐stromatoporoid reef at Yanshan (Shen & Yu, 1996); ‘8’ Frasnian reef complex at Houshan (Shen & Zhang, 1997); ‘9’ microbial reef at Hantang (this study).…”

Section: Geological Settingmentioning

confidence: 99%

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Microbial mounds prior to the Frasnian-Famennian mass extinctions, Hantang, Guilin, South China

Shen¹,

Webb²,

Qing³

2010

Sedimentology

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Late Frasnian mounds of the Yunghsien Formation, Guilin, South China, developed as part of the Guilin platform, mostly in reef‐flat and platform margin settings. Microbial mounds in platform margin settings at Hantang, about 10 km west of Guilin, contain Frasnian biota, such as Stachyodes and Kuangxiastraea and, thus, occur below the Frasnian‐Famennian mass extinction boundary. Platform margin facies were dominated by microbes, algae and receptaculitids. Massive corals and stromatoporoids are not common and rarely show reef‐building functions as they did in Givetian time. The margin mounds are composed of brachiopod‐receptaculitid cementstone, and a variety of boundstones that contain Rothpletzella, Renalcis, thrombolite and stromatolite. Other microbial communities include Girvanella, Izhella, Ortonella and Wetheredella. Solenoporoid algae are abundant locally. Zebra structures and neptunian dykes are well‐developed at some intervals. Pervasive early cementation played an important role in lithification of the microbial boundstones and rudstones. Frasnian reefs of many regions of the world were constructed by stromatoporoids and corals, although a shift to calcimicrobe‐dominated frameworks occurred before the Famennian. However, the exact ages of many Frasnian margin outcrops are poorly constrained owing to difficulties dating shallow carbonate facies. The Hantang mounds represent a microbe‐dominated reef‐building community with rare skeletal reef builders, consistent with major Late Devonian changes in reef composition, diversity and guild structure occurring before the end of the Frasnian. A similar transition occurred in the Canning Basin of Western Australia, but coeval successions in North America, Western Europe and the northern Urals are either less well‐known or represent different bathymetric settings. The transition in reef‐building style below the Frasnian‐Famennian boundary is documented here in the two best exposed successions on two continents, which may have been global. Set in the larger context of Late Devonian and Mississippian microbial reef‐building, the Hantang mounds help to demonstrate that controls on microbial reef communities differed from those on larger skeletal reef biota. Calcimicrobes replaced stromatoporoids as major reef builders before the Frasnian‐Famennian extinction event, and increasing stromatoporoid diversity towards the end of the Famennian did not result in a resurgence of skeletal reef frameworks. Calcimicrobes dominated margin facies through the Famennian, but declined near the Devonian‐Carboniferous boundary. Stromatolite and thrombolite facies, which occurred behind the mound margin at Hantang, rose to dominate Mississippian shallow‐water reef frameworks with only a minor resurgence of the important Frasnian calcimicrobe Renalcis in the Visean when well‐skeletonized organisms (corals) also became volumetrically significant frame builders again.

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Section: Interpretation and Discussionmentioning

confidence: 99%

Section: Interpretation and Discussionmentioning

confidence: 99%

Section: Geological Settingmentioning

confidence: 99%

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Microbial mounds prior to the Frasnian-Famennian mass extinctions, Hantang, Guilin, South China

Shen¹,

Webb²,

Qing³

2010

Sedimentology

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“…During the Pennsylvanian and Early Permian (Asselian–Sakmarian), in the Guangxi Autonomous Region and Guizhou Province (southern China), sedimentation occurred in the Dian–Qian–Gui Basin at the passive continental margin of the Yangtze Craton. During the Carboniferous, the Dian–Qian–Gui Basin records several elongate depressions (SW–NE axis), separated by more broad structural highs, resulting from pre-Carboniferous syndepositional faulting (Tsien et al 1988 ; Shen 2002 ). During the Late Pennsylvanian–Early Permian (Asselian), the area consisted of a tropical epicontinental sea, dominated by carbonate platform facies associated with intraplatform depression facies (Shen and Qing 2010 ; Wang et al 2013 ; Fig.…”

Section: Geological Settingsmentioning

confidence: 99%

“…The Houchang area is located at the border of a shelfal depression, inherited by pre-Carboniferous tectonic deformations (Tsien et al 1988 ; Shen 2002 ). The Kasimovian–Gzhelian shallow-water limestones are composed of coated-grain grainstone and green algal grainstone lithofacies, deposited in shoals and/or above the FWWB.…”

Section: Interpretationsmentioning

confidence: 99%

Late Pennsylvanian carbonate platform facies and coral reef: new insights from southern China (Guizhou Province)

Maillet

Huang

et al. 2020

Facies

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The Pennsylvanian is characterized by intense paleoenvironmental changes related to glacio-eustatic sea-level fluctuations and major tectonic events, which affected the evolution of biocommunities. Most known Pennsylvanian tropical reefs and mounds are predominantly composed of calcareous algae (e.g. phylloid algae, Archaeolithophyllum), calcareous sponges, fenestrate bryozoans, Tubiphytes, and microbialites. However, in Houchang (southern China), the Late Pennsylvanian carbonate platform records a large coral reef lacking any analogs in age (Gzhelian), size (80–100 m thick) and composition (high biodiversity). The large coral reef developed at the border of the Luodian intraplatform basin. The intraplatform basin is characterized by the deposition of green algal grainstone, coated grain grainstone and bioclastic packstone, grainstone, floatstone and rudstone in shallow-waters. In the deep-water shelf, lithofacies are composed of burrowed bioclastic wackestone, microbioclastic peloidal packstone, grainstone, and fine-grained burrowed wackestone and packstone. In this context, the coral reef developed on a deep-shelf margin, in a moderate to low energy depositional environment, below the FWWB. The scarcity of Pennsylvanian coral reefs suggests global unfavorable conditions, which can be attributed to a complex pattern of several environmental factors, including seawater chemistry (aragonite seas), paleoclimatic cooling related to continental glaciation, and the biological competition with the more opportunistic and adaptive phylloid algal community that occupied similar platform margin paleoenvironments. The existence of the large Bianping coral reef in southern China, as well as a few additional examples of Pennsylvanian coralliferous bioconstructions, provides evidence that coral communities were able to endure the Late Paleozoic fluctuating paleoenvironmental conditions in specific settings. One of such settings appears to have been the deep shelf margin, where low light levels decreased competition with the phylloid algal community.

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Palaeoenvironment and palaeogeography of Middle and Upper Devonian strata from the Loei fold belt, Indochina terrane (northeast Thailand)

Udchachon

Thassanapak

Burrett

2017

Palaeobio Palaeoenv

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A devonian (Givetian) fore-reef slope sequence at Liangshuijing and implication for devonian platform-to-depression development in Guilin, South China

Cited by 7 publications

References 10 publications

Microbial mounds prior to the Frasnian-Famennian mass extinctions, Hantang, Guilin, South China

Microbial mounds prior to the Frasnian-Famennian mass extinctions, Hantang, Guilin, South China

Late Pennsylvanian carbonate platform facies and coral reef: new insights from southern China (Guizhou Province)

Palaeoenvironment and palaeogeography of Middle and Upper Devonian strata from the Loei fold belt, Indochina terrane (northeast Thailand)

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