The Chalk Group (Upper Cretaceous) of the Northern Province, eastern England – a review

IF 0.5 4区 地球科学 Q4 GEOLOGY
S. Mitchell
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引用次数: 7

Abstract

A review of the Chalk of the Northern Province recognizes six formations, five of which (Hunstanton, Ferriby, Welton, Burnham and Flamborough formations) crop out in northern Norfolk, Lincolnshire and Yorkshire, and a sixth (Rowe Formation) is buried beneath the drift of Holderness. The Hunstanton, Ferriby and Flamborough formations are largely devoid of flints, whereas the Welton (other than its two basal members) and Burnham formations have nodular and tabular flints, respectively. Previous work on the lithostratigraphy and marker beds is presented, and an overview of the distribution of the more important macrofossils is provided. Especial attention is given to the succession at Speeton through the Hunstanton, Ferriby and lower Welton formations with details of the oxygen and carbon isotope signatures. The Speeton section is internationally important because of its expanded Albian-Mid Cenomanian succession. Small sections of the Burnham Formation in Speeton–Buckton cliffs are also presented for the first time. The appendix reviews the relevant Cretaceous stage boundaries with reference to the Chalk of the Northern Province together with details of the fossil zones that are used in this paper.
英国东部北部省白垩群(上白垩统)的回顾
对北部省份白垩地层的回顾发现了6个地层,其中5个(亨斯坦顿、费里比、韦尔顿、伯纳姆和弗朗伯勒地层)出现在诺福克郡北部、林肯郡和约克郡,第6个(罗地层)埋在Holderness的漂移下。Hunstanton、Ferriby和Flamborough组基本上没有燧石,而Welton组(除了两个基段)和Burnham组分别有结节状和扁平状的燧石。介绍了前人在岩石地层学和标志层方面的研究成果,并对较为重要的大型化石的分布进行了概述。特别关注了Speeton至Hunstanton、Ferriby和较低Welton地层的演序,并详细介绍了氧和碳同位素特征。Speeton部分具有国际重要性,因为它扩展了阿尔巴尼亚-中诺曼尼亚的继承。斯皮顿-巴克顿悬崖的伯纳姆组的一小部分也首次展出。附录回顾了相关的白垩纪阶段边界,并参考了北方省的白垩系,以及本文中使用的化石带的细节。
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来源期刊
CiteScore
2.00
自引率
30.00%
发文量
7
审稿时长
>12 weeks
期刊介绍: The Proceedings of the Yorkshire Geological Society (PYGS) has been published without a break since 1839. It is one of the leading journals of British geology. Each year two parts are issued containing original research papers on all aspects of geology. Traditionally the Proceedings has given particular attention to the geology of northern England and its neighbouring areas. The submission of papers on related topics but of a more general interest is encouraged. All papers are subjected to the full scrutiny of two independent referees.
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