A new astronomical timescale for the loess deposits of Northern China
A new astronomical timescale for the loess deposits of Northern China
复制标题
DOI：
10.1016/s0012-821x(00)00324-1
复制
发表时间：
2000-12
影响因子：
5.3
通讯作者：
D. Heslop;C. Langereis;M. Dekkers
中科院分区：
文献类型：
--
作者：
D. Heslop;C. Langereis;M. Dekkers
在这里，我们提出了一个精确的时间尺度为整个序列的第四纪中国黄土，这依赖于相关的详细季风记录的天文解Laskar（1990）和海洋ODP 677 δ 18 O记录的沙克尔顿等（1990）。年代学方案详细考虑了古气候和古地磁记录的相对结构，以产生与目前对黄土沉积和沉积后过程的理解相一致的准确时间尺度。这个年代框架的分析表明，向下位移的古地磁层与气候记录。
Here, we present a refined timescale for the entire sequence of Quaternary Chinese loess, which relies upon the correlation of detailed monsoon records to the astronomical solution of Laskar (1990) and the oceanic ODP677 δ18O record of Shackleton et al. (1990). The chronological scheme considers in detail the relative structures of the palaeoclimatic and palaeomagnetic records to produce an accurate timescale that is consistent with the current understanding of loess depositional and post-depositional processes. Analysis of this chronological framework demonstrates downward displacement of the palaeomagnetic horizons with respect to the climatic record.