Pleistocene coral reefs associated with claystones, Southwestern Taiwan

Gong, Shou-Yeh; Wang, S. W.; Lee, Tung‐Yi

doi:10.1007/s003380050121

Cited by 13 publications

(11 citation statements)

References 15 publications

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“…They provide a lower bound for the estimation of paleo-bathymetry. Analysis of benthic foraminifera in the lower Gutingkeng formation indicate an upper continental slope environment (Wang, 1992), and Covey (1986) proposed a depositional water depth of between 100 and 1000 m. However we note that coral reefs have been observed on tectonic highs developed within this formation (Gong et al, 1998). It is unlikely in this high accumulation rate environments that highs of several hundred of metres of relief with respect to their surrounding basin have developed.…”

Section: Paleoenvironments Reconstructionmentioning

confidence: 89%

“…3). These are thought to represent deeper marine environments of upper continental slope to outer shelf environments, but their association with reefal formations (Gong et al, 1998) casts questions about their actual precise depositional depth. The Kueichulin formation reaches a thickness of 800 m at its main depocentre east of the Hsinchu-Taoyuan area.…”

Section: The Western Foreland Basinmentioning

confidence: 99%

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Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications for basin physiography in the early stages of collision

Castelltort

Nagel

Mouthereau

et al. 2011

Journal of Asian Earth Sciences

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a b s t r a c tThis work presents sedimentological observations and interpretations on three detailed sections of the Pliocene Yutengping/Ailiaochiao formations, deposited in the early stages of collision in Taiwan. Seven facies associations record paleoenvironments of deposition ranging from nearshore to lower offshore with a strong influence of tidal reworking, even in shelfal sub-tidal environments, and a pro-delta setting characterized by mass-flows. The association of shallow facies of the upper offshore to lower shoreface with pro-delta turbidite facies sourced in the orogen to the east suggests a peculiar setting in which turbidite deposition occurred below wave base but on the shelf, in water depths of probably less than 100 m. This adds to the examples of ''shallow turbidites" increasingly commonly found in foreland basins and challenges the classical view of a ''deep" early underfilled foreland basin. Time series analysis on tidal rhythmites allow us to identify a yearly signal in the form of periodic changes of sand-supply, energy and bioturbation that suggests a marked seasonality possibly affecting precipitation and sediment delivery as well as temperature. The Taiwan foreland basin may also present a potentially high-resolution record in shallow sediments of the early installation of monsoonal circulation patterns in east Asia. We confirm partly the paleogeography during the early stages of collision in Taiwan: the Chinese margin displayed a pronounced non-cylindrical geometry with a large basement promontory to the west in place of the modern Taiwan mountain range. Collision in Taiwan may have happened at once along the whole length of the modern mountain range, instead of progressively from north to south as classically considered.

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Section: Paleoenvironments Reconstructionmentioning

confidence: 89%

Section: The Western Foreland Basinmentioning

confidence: 99%

Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications for basin physiography in the early stages of collision

Castelltort

Nagel

Mouthereau

et al. 2011

Journal of Asian Earth Sciences

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“…gas expulsions probably occurred concurrently during the evolving of folds and thrusts in southwestern Taiwan. It is believed that the thrust migration in the foreland basin caused rapid shallowing and formed local topographic highs along the anticlinal ridges that facilitated the development of coral reefs (Gong et al 1998;Chow et al 2001). Abrupt facies changes from the underlying terrigenous mudstone strata of deep-water facies upward into the reefal limestones were observed at the bottom of these reefs (Gong et al 1996(Gong et al , 1998.…”

Section: (B)mentioning

confidence: 99%

“…These Pleistocene coral reefs occur as lenticular bodies in a siliciclastic mudstone unit and were constructed mainly by shallow-water colonial corals, including Acropora, Acanthastrea, Cyphastrea, Favia, Favites, Goniopora, Goniastrea, Galaxea, Pachyseris, Porites, and Turbinaria, with locally abundant free-living corals such as Cycloseris, Fungia, Heliofungia, and Herpolitha (Yabe and Sugiyama 1935a, b;Hoeksema and Dai 1991). These scleractinian reefs developed on several local topographic highs that are closely associated with anticlines and faults in a Plio-Pleistocene foreland basin (Gong et al 1996(Gong et al , 1998Lacombe et al 1997Lacombe et al , 1999Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

Cold-seep Carbonate Hardgrounds as the Initial Substrata of Coral Reef Development in a Siliciclastic Paleoenvironment of Southwestern Taiwan

Wang¹,

Gong²,

Mii³

et al. 2006

Terr. Atmos. Ocean. Sci.

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Abrupt facies changes from the underlying terrigenous mudstone of deep-water facies upward into reefal limestones were observed on Pleistocene scleractinian reefs in southwestern Taiwan. To reveal the initial mechanisms of reef development, we examined the lithologies and vertical facies changes of 7 outcrops and 37 borehole cores from the Takangshan Reef and performed petrographic and isotopic studies. Various occurrences of dolomitic mudstone were observed from 6 outcrops and in 11 borehole cores, containing massive dolomitic mudstones, carbonate pipes, dolomitic cobbles, and dolomitic pebbles. The δ 13 C values of 27 samples ranged from-53.7 0 00 to-10.4 0 00 , indicating that the carbonate cements of these mudstones were all cold-seep carbonates in origin. The majority of the coldseep carbonates and a funnel-shaped structure packed with dolomitic cobbles were precipitated and formed within fine-grained siliciclastic mudstones. The wide occurrence of seep carbonates in the study area suggests hydrocarbon seepage having occurred extensively. The compact nature and associated large lucinid bivalves in massive cold-seep carbonates further indicate a pronounced, long-lasting seepage of methane occurring antecedently to the development of Takangshan Reef. A schematic model was proposed to illustrate the occurrence of various associations of lithologies and lithofacies. The erosional surfaces on siliciclastic mudstones and the funnel-shaped structure, as well as the exhuming of massive cold-seep carbonates may have occurred concurrently during a tectonically unstable time in SW Taiwan. The deposition of fossiliferous mudstone interfingered

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“…There are no mountains or hills on the 40 km-wide plain between Chaishan and the Central Range. Although the Chaishan reefs were uplifted above sea level during the Pleistocene (Gong et al 1996(Gong et al , 1998, other parts of the Kaohsiung area were covered by seawater during two interglaciations and glaciations since the late Pleistocene (Sun 1964). The most recent transgressionregression cycle occurred during the Holocene (Chen et al 1994), and the Kaohsiung area was reexposed as dry land between 8000 and 1000 years b.p.…”

mentioning

confidence: 99%

Geothelphusa makatao sp. nov. (Crustacea: Brachyura: Potamidae), a new freshwater crab from an uplifted Pleistocene reef in Taiwan

Shih

Shy

2009

Zootaxa

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A new species of potamid freshwater crab, Geothelphusa makatao, is described from southwestern Taiwan, based on morphological characters and mitochondrial DNA evidence. The new species differs from close congeners, G. pingtung Tan & Liu, 1998, G. shernshan Chen, Cheng & Shy, 2005, and G. ancylophallus Shy, Ng & Yu, 1994 and a superficially similar species, G. albogilva Shy, Ng & Yu, 1994, in the structure of its ambulatory legs, thoracic sternum, male abdomen, and male first pleopods. The unique gene sequences of 16S rRNA and cytochrome oxidase I also support the recognition of this coastal population, which is isolated from other closely related species inhabiting montane areas. Except for G. makatao, the phylogenetic analysis showed that there are three additional hill subclades within the G. pingtung clade, G. shernshan, G. pingtung and the Liangshan subclade, situated in different watersheds of rivers or streams near the Central Range in the southwestern Taiwan.

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Pleistocene coral reefs associated with claystones, Southwestern Taiwan

Cited by 13 publications

References 15 publications

Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications for basin physiography in the early stages of collision

Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications for basin physiography in the early stages of collision

Cold-seep Carbonate Hardgrounds as the Initial Substrata of Coral Reef Development in a Siliciclastic Paleoenvironment of Southwestern Taiwan

Geothelphusa makatao sp. nov. (Crustacea: Brachyura: Potamidae), a new freshwater crab from an uplifted Pleistocene reef in Taiwan

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