Chapter 8. Review of the Litho-, Bio-, and Chronostratigraphy in the Nihewan Basin, Hebei, China
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ABSTRACT On-going stable isotope research with cuttings from over 16 Plio-Pleistocene deep-water wells has established a high-resolution framework for chronostratigraphic tie-lines between Plio-Pleistocene wells. Detailed oxygen isotope (O-18/O-16) records from core material and sixteen exploration wells at 30 intervals provide a large data base by which to establish a chemical stratigraphy record for the Gulf of Mexico. This type section is used to evaluate the stratigraphic integrity of exploration wells and the timing and reliability of important calcareous nannofossil and foraminiferal biostratigraphic datums. Within this framework, freshwater discharge events and local/regional unconformities can be defined with high precision. The record can be used to relate large-scale and fine-scale changes in 1) sediment accumulation rates, 2) the distribution of sand-shale facies, and 3) seismic sequence boundaries of glacio-eustatic cycles. Integration of this information can lead to a more precise definition of the timing and extent of target sand bodies in deep-water exploration tracts.
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We review past and recent advances in Oligocene
chronostratigraphy (and its internal subdivisions)
and geochronology, the so-called “missing” Oligocene
debate of the 1960s, and planktonic foraminiferal
biostratigraphies of (sub)tropical and austral
biogeographies. The Oligocene spans the interval from Chron C13r.0.14 to Subchron C6Cn.2n(o),
corresponding to astronomical cycles 84Ol-C13n to 58OlC6Cn. It is currently subdivided into two (Rupelian and
Chattian) ages/stages. The planktonic foraminiferal
biostratigraphy is characterized by a 7-fold (sub)
tropical and 4-fold austral zonation, respectively.
Chronostratigraphy
Geochronology
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Biostratigraphy 和 chronostratigraphy 是细分岩石阶层的普通工具。biostratigraphic 继任和 chronostratigraphic 计划被认为是地区性、全球的 stratigraphic 单位的分和关联的基础。评论在简历地层学和 chronostratigraphy 上研究的这篇论文在 Jiangnan 斜坡带执行了，华南自从 1978，并且，特别地， biostratigraphic 继任和 chronostratigraphic 计划在最后十年发展了。华南的更新的 biostratigraphic 继任包括 36 个简历地区，哪个被单个税的第一外观定义在上的各个的底(索引石块) ，并且一糟糕含化石内部地区。华南的更新的 chronostratigraphic 计划包括 4 系列和 10 个阶段，拥抱 3 个全球 chronostratigraphic 单位， Guzhangian 阶段， Furongian 系列，和 Paibian 舞台，和 2 GSSP ，所有哪个在西北的湖南和在西北的湖南也在节认出的 2 个国际领带点被树立并且被国际分会各为定义全球阶段的底在寒武纪的地层学上接受。biostratigraphic 和 chronostratigraphic 系统国内并且全球作为中国标准被认出。未来研究为改进 stratigraphic 标准的二个集合被建议。
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Biozone
Lithostratigraphy
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Chronostratigraphy is the branch of stratigraphy that studies the ages of rock strata in relation to time.The ultimate aim of chronostratigraphy is to arrange the sequence of deposition and the time of deposition of all rocks within a geological region, and eventually, the entire geologic record of the Earth.The standard stratigraphic nomenclature is a chronostratigraphic system based on palaeontological intervals of time defined by recognised fossil assemblages (biostratigraphy). The aim of chronostratigraphy is to give a meaningful age date to these fossil assemblage intervals and interfaces.
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The use of high-resolution bio- and chronostratigraphy to delineate and subdivide the strata of the Sirt Basin. Investigations utilizing varied microfossil data and unique biostratigraphic software techniques to construct chronostratigraphic frameworks for use in exploration and exploitation in the Sirt Basin. Identification of depositional sequences and correlation and calibration to other sedimentological and stratigraphic interpretations.
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Sequence-stratigraphic concepts are used to identify genetically related strata and their bounding regional unconformities, or their correlative conformities, in seismic, well-log, and outcrop data. Documentation and age dating of these features in marine outcrops in different parts of the world have led to a new generation of Mesozoic and Cenozoic sea-level cycle charts with greater event resolution than that obtainable from seismic data alone. The cycles of sea-level change, interpreted from the rock record, are tied to an integrated chronostratigraphy that combines state-of-the-art geochronologic, magnetostratigraphic and biostratigraphic data. In this article we discuss the reasoning behind integrated chronostratigraphy and...
Chronostratigraphy
Outcrop
Sequence (biology)
Magnetostratigraphy
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