气候变化领域集成服务门户(CCPortal): The onset of the major glaciation of the LPIA: record from South China

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DOI	10.1007/s00531-019-01802-x
	The onset of the major glaciation of the LPIA: record from South China
	Huang W.; Maillet M.; Zhang Y.; Guan C.; Miao Z.; Samankassou E.; Gong E.
发表日期	2020
ISSN	14373254
起始页码	281
结束页码	300
卷号	109 期号:1
英文摘要	The beginning of the Late Paleozoic Ice Age was characterized by localized events with small ice depocenters occurring in South America and a series of cyclic shallow-water limestones in far-field regions, in late Visean to Serpukhovian. This paper documents two topmost Visean–Serpukhovian sections in Guangxi, South China: a stromatolite-bearing deep-water succession in Helv village and a shallow-water succession in Dujie village. Seventeen microfacies types have been recognized and grouped into six microfacies associations. The vertical evolution of the microfacies associations from deep-water to shallow-water depositional environments in both sections indicate a major relative sea-level fall in the latest Visean. The repetitive successions comprising different morphological stromatolites in Helv section and the cyclic alternation of subtidal and peritidal facies in Dujie section imply high-frequency sea-level fluctuations during latest Visean to Serpukhovian, most likely eustatic in origin. The carbon isotope data of Dujie limestone exhibit a pronounced positive δ13C excursion with ± 4.3‰ in the peritidal deposits. This shift is interpreted as the result of enhanced organic carbon burial in other regions and depletion of the ocean in light carbon. The widespread coeval cyclicity occurring in settings in South China, Western Europe, and North America is most likely the results of glacio-eustatic sea-level fluctuations, possibly with local influences of tectonic movements. This pattern is interpreted to represent the expression of the onset of the major glaciation during the LPIA in low-latitudinal successions. © 2020, Geologische Vereinigung e.V. (GV).
英文关键词	Cyclic deposits; Far-field regions; Late Paleozoic ice age; Sea-level fluctuation; South China
语种	英语
scopus关键词	age determination; deep water; depositional environment; glaciation; microfacies; Paleozoic; Pleistocene; sea level change; shallow water; China; South China Block
来源期刊	International Journal of Earth Sciences
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/147725
作者单位	Department of Geology, Northeastern University, Wenhua Road 3-11, Heping District, Shenyang, 110819, China; Department of Earth Sciences, University of Geneva, Rue des Maraîchers, 13, Geneva, 1205, Switzerland
推荐引用方式 GB/T 7714	Huang W.,Maillet M.,Zhang Y.,et al. The onset of the major glaciation of the LPIA: record from South China[J],2020,109(1).
APA	Huang W..,Maillet M..,Zhang Y..,Guan C..,Miao Z..,...&Gong E..(2020).The onset of the major glaciation of the LPIA: record from South China.International Journal of Earth Sciences,109(1).
MLA	Huang W.,et al."The onset of the major glaciation of the LPIA: record from South China".International Journal of Earth Sciences 109.1(2020).