气候变化领域集成服务门户(CCPortal): Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates

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DOI	10.1016/j.earscirev.2020.103300
	Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates
	Riding R.; Virgone A.
发表日期	2020
ISSN	00128252
卷号	208
英文摘要	Abiotic, Bioinduced and Biocontrolled carbonates are process-based sediment categories. They successively reflect increasing levels of biotic control over carbonate precipitation from aqueous solutions, are often closely linked to depositional environment, and change with time. Hybrid Carbonates are intimate in situ combinations of two or more of these categories. Hybrid Carbonates are widespread and diverse in the marine geological record and reflect large-scale changes in carbonate precipitation through time. They also occur in fluvial and lacustrine carbonates, marine and non-marine reef systems, and methane seep deposits. Plots of Hybrid Carbonate composition in time and space reveal complex ‘backtracking’ and ‘looping’ patterns that reflect changes in environmental conditions and biological processes of carbonate production. Recognition of hybridity emphasizes the importance of distinguishing abiotic and bioinduced precipitates. Until they were diversified by Skeletal Carbonates in the late Proterozoic, Precambrian Hybrid Carbonates were Abiotic-Bioinduced combinations. During the Phanerozoic Hybrid Carbonates were conspicuous during periods of overlap or transition between intervals of Microbial and Skeletal carbonate abundance. Microbial-Skeletal Dual Hybrids are common during the Cambrian-mid Ordovician, Late Devonian-Mississippian, and Late Jurassic-Early Cretaceous. Abiotic-Microbial-Skeletal Triple Hybrids were common from Late Pennsylvanian to mid-Triassic. Shallow marine Hybrid Carbonates declined in abundance after the mid-Cretaceous, although Late Cenozoic reefs contain some striking examples of Microbial-Skeletal Hybrids. Recognition of Hybrid Carbonates draws attention to fundamental processes underlying carbonate sedimentation, and their patterns and drivers of change in time and space. © 2020 Elsevier B.V.
关键词	Fabric Hybridity Precipitation Process Reef Sedimentology
英文关键词	aqueous solution; carbonate sediment; chemical composition; depositional environment; fluvial deposit; lacustrine deposit; marine sediment; precipitation (chemistry); sedimentation
语种	英语
来源期刊	Earth Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/203860
作者单位	Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996-1526, United States; TOTAL CSTJF, Avenue Larribau, Pau Cedex, F-64018, France
推荐引用方式 GB/T 7714	Riding R.,Virgone A.. Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates[J],2020,208.
APA	Riding R.,&Virgone A..(2020).Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates.Earth Science Reviews,208.
MLA	Riding R.,et al."Hybrid Carbonates: in situ abiotic, microbial and skeletal co-precipitates".Earth Science Reviews 208(2020).