A. Mesozoic time scale

A. Mesozoic time scale
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DOI:
10.3997/2214-4609.201411730
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发表时间:
1993-06
期刊:
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影响因子:
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通讯作者:
F. Gradstein;J. Hardenbol;F. Agterberg;J. Off;Zehui Huang
F. Gradstein;J. Hardenbol;F. Agterberg;J. Off;Zehui Huang
中科院分区:
其他
文献类型:
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作者:
F. Gradstein;J. Hardenbol;F. Agterberg;J. Off;Zehui Huang

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我们给出了三叠纪、侏罗纪和白垩纪的综合地磁极性和地质年表,并对30个阶段的界线进行了年龄估计和不确定性限制。中生代时间刻度使用了一套符合校准标准的340个辐射日期。支撑这一大型框架的地层学关键数据涉及(1)辐射测量日期、生物带和阶段边界之间的观察到的一级联系,以及(2)海底和沉积物中生物带与磁性反转之间的关系。
We present an integrated geomagetic polarity and geologic time scale for the Triassic, Jurassic and Cretaceous, with age estimates and uncertainty limits for 30 stage boundaries. The Mesozoic time scale uses a suite of 340 radiometric dates that meet calibration standards. Stratigraphically critical data underpinning this large framework involve the observed, first order ties between (1) radiometric dates, biozones and stage boundaries, and (2) between biozones and magnetic reversals on the seafloor and in sediments.