The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System

• Published in: Episodes
• Main Authors: Wang, Xiaofeng, Stouge, Svend, Maletz, Jorg, Bagnoli, Gabriella, Qi, Yuping（祁玉平）, Raevskaya, Elena G., Wang, Chuanshang, Yan, Chunbo
• Format: Report
• Language: English
• Published: GEOLOGICAL SOC KOREA 2021
• Subjects: CONODONT IAPETOGNATHUS; JILIN-PROVINCE; GREEN POINT; SEA-LEVEL; STRATIGRAPHY; NEWFOUNDLAND; GSSP; GRAPTOLITE; EVOLUTION; TRILOBITE; Geology; Geosciences; Multidisciplinary; Green Point; Newfoundland
• Online Access: http://ir.nigpas.ac.cn/handle/332004/40204; http://ir.nigpas.ac.cn/handle/332004/40205; https://doi.org/10.18814/epiiugs/2020/020091

In 2019 the Sub-Commission on the Ordovician System approved the Xiaoyangqiao section, North China as a new ASSP section for the base of the Ordovician System. The sedimentary succession of the section is exposed in a natural outcrop near the Dayangcha Village at a position of 42 degrees 3'24 &...