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DOI10.1016/j.earscirev.2018.09.017
Model-independent sequence stratigraphy
Catuneanu O.
发表日期2019
ISSN0012-9080
起始页码312
结束页码388
卷号188
英文摘要Stratal stacking patterns provide the basis for the definition of all units and surfaces of sequence stratigraphy. The same types of stacking patterns may be observed at different scales, in relation to stratigraphic cycles of different magnitudes. At each scale of observation, stacking patterns define systems tracts, and changes in stacking pattern mark the position of sequence stratigraphic surfaces. The construction of a framework of systems tracts and bounding surfaces fulfills the practical purpose of sequence stratigraphy. Beyond this framework, model-dependent choices with respect to the selection of the ‘sequence boundary’ may be made as a function of the mappability of the various types of sequence stratigraphic surface within the studied section. Sequence stratigraphic frameworks are basin-specific in terms of timing and scales of the component units and bounding surfaces, reflecting the interplay of global and local controls on accommodation and sedimentation. A stratigraphic sequence corresponds to a cycle of change in stratal stacking patterns, defined by the recurrence of the same type of sequence stratigraphic surface in the rock record. Sequences, as well as component systems tracts and depositional systems, can be observed at all stratigraphic scales. Sequences of any scale may include unconformities of equal and/or lower hierarchical ranks, whose identification depends on the resolution of the data available. The relative ranking of sequences of different scales is defined by their stratigraphic relationships, as lower rank sequences are nested within higher rank systems tracts. Despite this nested architecture, the stratigraphic framework is not truly fractal because sequences of different scales may differ in terms of underlying controls and internal composition of systems tracts. A scale-independent approach to methodology and nomenclature is key to the standard application of sequence stratigraphy across the entire range of geological settings, stratigraphic scales, and types of data available. © 2018
英文关键词Sequence definition; Sequence hierarchy; Sequence scales; Sequence stratigraphic methodology; Sequence stratigraphic nomenclature; Sequence stratigraphy
语种英语
scopus关键词nomenclature; sequence boundary; sequence stratigraphy; stratigraphic correlation
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/209979
作者单位Department of Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, Alberta T6G 2E3, Canada
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GB/T 7714
Catuneanu O.. Model-independent sequence stratigraphy[J],2019,188.
APA Catuneanu O..(2019).Model-independent sequence stratigraphy.EARTH-SCIENCE REVIEWS,188.
MLA Catuneanu O.."Model-independent sequence stratigraphy".EARTH-SCIENCE REVIEWS 188(2019).
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