NIGPAS OpenIR
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Cross-polarized light as an imaging technique for graptolites 期刊论文
ALCHERINGA, 2021, 页码: 4
作者:  Muir, Lucy A.;  McCobb, Lucy M. E.;  Zhang, Yuandong(张元动)
Adobe PDF(1448Kb)  |  收藏  |  浏览/下载:202/1  |  提交时间:2021/12/13
Graptolithina  Graptoloidea  photography  
Siliceous microfossils as a potential age marker for the early Hirnantian Mass Extinction horizon in South China 期刊论文
ALCHERINGA, 2021, 卷号: 45, 期号: 1, 页码: 77-85
作者:  Wu, Xuejin(吴学进);  Luo, Hui(罗辉);  Zhang, Yuandong (张元动);  Li, Chao(李超)
Adobe PDF(3649Kb)  |  收藏  |  浏览/下载:274/2  |  提交时间:2021/09/07
Hirnantian  Wufeng Formation  shale gas  FIB-SEM  age marker  
On the integration of Ordovician conodont and graptolite biostratigraphy: new examples from Gansu and Inner Mongolia in China 期刊论文
ALCHERINGA, 2013, 卷号: 37, 期号: 4, 页码: 510-528
作者:  Wang, Zhi-hao (王志浩);  Bergstroem, Stig M.;  Zhen, Yong Yi (甄勇毅);  Chen, Xu (陈旭);  Zhang, Yuan-dong (张元动)
Adobe PDF(2749Kb)  |  收藏  |  浏览/下载:335/8  |  提交时间:2013/12/27
Early Sandbian (Late Ordovician) conodonts from the Yenwashan Formation, western Zhejiang, South China 期刊论文
ALCHERINGA, 2009, 卷号: 33, 期号: 2, 页码: 133-161
作者:  Zhen, Yong Yi;  Zhang, Yuandong (张元动);  Percival, Ian G.
Adobe PDF(3529Kb)  |  收藏  |  浏览/下载:470/44  |  提交时间:2012/08/15
Conodonts  Late Ordovician  Sandbian  Yenwashan Formation  South China  
Conodont fauna and biostratigraphy of the Honghuayuan Formation (Early Ordovician) of Guizhou, South China 期刊论文
ALCHERINGA, 2009, 卷号: 33, 期号: 3, 页码: 257-295
作者:  Zhen, Yong Yi;  Percival, Ian G.;  Liu, Jianbo;  Zhang, Yuandong (张元动)
Adobe PDF(4113Kb)  |  收藏  |  浏览/下载:431/38  |  提交时间:2012/08/15
Conodonts  Early Ordovician  Honghuayuan Formation  Yangtze Platform  Guizhou  South China