The Phototropism of Jurassic Petrified Wood in North China Plate
The Phototropism of Jurassic Petrified Wood in North China Plate
复制标题
华北板块侏罗纪硅化木的向光性
DOI：
10.1111/1755-6724.12302
复制
发表时间：
2014-10
期刊：
影响因子：
--
通讯作者：
Wang Yongdong
中科院分区：
文献类型：
--
作者：
Jiang Zikun;Liu Benpei;Huang Min;Deng Shenghui;Lu Yuanzheng;Liu Lu;Li Mingming;Dong Shuxin;Wang Yongdong
直接暴露在阳光下的一侧的树木通常比另一侧生长得更快，这种现象称为植物向光性。2002年建成的中国第一个国家硅化木地质公园位于北京市延庆县下德龙湾地区，该地区有硅化木的原地直立树干。一些树干有保存完好的年轮该地层的一个石化残桩显示出SW 230 °的正向光性方向。与北京平原地区现代正常生长伐桩的向光性方向SW 210 ° ± 5°相比，木材向光性的证据支持了以往古地磁研究中关于华北板块自晚侏罗世以来顺时针旋转的结论。燕山-辽宁地区已知的石化树桩主要产于165-136 Ma的地层中，与燕山运动的主期相对应。
Trees on the side directly exposed to sunlight generally grow faster than on the opposite side, a phenomenon termed plant phototropism. There are in situ vertical trunks of silicified wood in the Xiadelongwan area of Yanqing County, north Beijing, where the first National Geologic Park of Petrified Wood of China has been built since 2002. A few trunks have well‐preserved growth rings. One petrified stump from the formation shows a positive phototropism direction of SW230°. As compared with the modern normal growth stumps in Beijing plain area, which have a positive phototropism direction of SW210 ° ± 5°, the evidence of wood phototropism supports the conclusion of previous palaeomagnetic studies that the North China Plate has rotated clockwise since the Late Jurassic. The known petrified wood stumps in the Yanshan‐Liaoning area are mainly found from the strata of 165–136 Ma, which corresponds to the main stage of the Yanshanian Movement.
DOI：
10.1007/bf02984513
发表时间：
1998-12
期刊：
Science in China Series D: Earth Sciences
影响因子：
--
作者：
Y. Zhenyu;Ma Xinghua;Huang Baochun;S. Zhiming;Zhou Yaoxiu
通讯作者：
Y. Zhenyu;Ma Xinghua;Huang Baochun;S. Zhiming;Zhou Yaoxiu
DOI：
10.1016/b978-1-4832-2798-6.50015-8
发表时间：
1964
期刊：
--
影响因子：
--
作者：
W. Briggs
通讯作者：
W. Briggs