首页> 美国卫生研究院文献>Data in Brief >Global stratigraphic dataset composing LOK2016CS database: Biostratigraphic ranges of uppermost Tithonian-Hauterivian bioevents (Lower Cretaceous): Tables 1 and 2
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Global stratigraphic dataset composing LOK2016CS database: Biostratigraphic ranges of uppermost Tithonian-Hauterivian bioevents (Lower Cretaceous): Tables 1 and 2

机译:组成LOK2016CS数据库的全球地层数据集:最上层的蒂通-上-特里夫带生物事件(下白垩统)的生物地层范围:表1和2

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摘要

The Research article “Jurassic-Cretaceous boundary bioevents and magnetochrons: A stratigraphic experiment” (Scott, 2019), describes the Lower Cretaceous 2016 Chronostratigraphic Database (LOK2016CS). This database comprises the first and last occurrences of key fossil ranges in forty-one global stratigraphic sections (Table 1). This data has been published by qualified biostratigraphers in selected worldwide sections that have been carefully measured, collected and fossil species consistently identified. Regional reference sections and approved or proposed Global Boundary Stratotype Section and Point (GSSP) are included. This data set is composed of lowermost and uppermost positions of species measured in meters or feet by the research team in each section, which represent the first and last occurrences of the species. These data sets were composited into the numerical age chart, LOK2016CS (Table 2), by graphic correlation. The 2016 Geologic Time Scale was the X-axis section on the first X/Y plot so that the numerical ages were calibrated consistently with that scale. The numerical ages of each event estimate the First and Last Appearance Datums (FAD, LAD) within the geographic area encompassed by the sampled sections.
机译:研究文章“侏罗纪-白垩纪边界生物事件和磁同步:地层实验”(Scott,2019年)描述了下白垩统2016年地层数据库(LOK2016CS)。该数据库包括41个全球地层剖面中关键化石范围的首次出现和最后出现(表1)。这些数据已由合格的生物地层学家在精选的全球部分中发布,这些部分已进行了仔细的测量,收集并一致地鉴定了化石物种。包括区域参考部分和已批准或提议的“全球边界表型截面和点”(GSSP)。该数据集由研究小组在每个部分中以米或英尺为单位测量的物种的最低和最高位置组成,代表物种的首次出现和最后出现。通过图形相关,将这些数据集组合到数字年龄图表LOK2016CS(表2)中。 2016年地质时标是第一个X / Y图上的X轴部分,因此数字年龄与该比例一致地进行了校准。每个事件的数字年龄估计采样部分所涵盖的地理区域内的“第一和最后一次出现基准”(FAD,LAD)。

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