Proposed GSSP for the base of Cambrian Stage 9, coinciding with the first appearance of Agnostotes orientalis, at Duibian, Zhejiang, China
Proposed GSSP for the base of Cambrian Stage 9, coinciding with the first appearance of Agnostotes orientalis, at Duibian, Zhejiang, China
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拟议的寒武纪第 9 阶段基底的 GSSP，与中国浙江堆边 Agnostotes orientalis 首次出现同时发生
DOI：
10.1007/s11430-009-0045-8
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发表时间：
2009-04
期刊：
影响因子：
--
通讯作者：
PENG ShanChi
中科院分区：
文献类型：
--
作者：
ZUO JingXun;Loren E. BABCOCK;ZHU XueJian;Gabriella BAGNOLI;YANG XianFeng;LIN HuanLing;WANG LongWu;QI YuPing;PENG ShanChi
在中国浙江省江山县碓边村附近的自然露头中出露的碓边B剖面，被提议作为一个未命名阶（暂称为寒武纪第9阶）底界的层型剖面。所提议的……位置
Exposed in natural outcrops near the Duibian Village, Jiangshan County, Zhejiang Province, China, the Duibian B section is proposed as the boundary stratotype for the base of an unnamed stage termed provisionally Cambrian Stage 9. The proposed position of the GSSP is 108.12 m above the base of the Huayansi Formation, at a horizon coinciding with the first appearance of the cosmopolitan agnostoid trilobite Agnostotes orientalis. This horizon coincides also with the first appearance of the cosmopolitan polymerid trilobite Irvingella angustilimbata. The section fulfills all the requirements for a GSSP, and the horizon can be constrained not only by the primary stratigraphic marker (A. orientalis) but also with secondary biostratigraphic, chemostratigraphic, and sequence-stratigraphic correlation tools. The first appearance of A. orientalis is one of the most readily recognizable levels in Cambrian, and can be correlated with precision to all paleocontinents.
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影响因子：
7.2
作者：
D. Choi;Jeong Gu Lee;Baek Cheor Sheen
通讯作者：
D. Choi;Jeong Gu Lee;Baek Cheor Sheen
DOI：
10.1111/j.1755-6724.2004.tb00776.x
发表时间：
2004-12
期刊：
Acta Geologica Sinica ‐ English Edition
影响因子：
--
作者：
Xiping Dong;J. Repetski;S. M. Bergström
通讯作者：
Xiping Dong;J. Repetski;S. M. Bergström
影响因子：
3.1
作者：
J. Remane;M. Bassett;J. Cowie;K. Gohrbandt;H. Lane;O. Michelsen;Naiwen Wang
通讯作者：
J. Remane;M. Bassett;J. Cowie;K. Gohrbandt;H. Lane;O. Michelsen;Naiwen Wang
影响因子：
1.2
作者：
D. Choi
通讯作者：
D. Choi
DOI：
10.1666/0022-3360(2000)074
发表时间：
2000-09
期刊：
--
影响因子：
--
作者：
S. Xiao;A. Knoll
通讯作者：
S. Xiao;A. Knoll