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The Global Boundary Stratotype Section and Point (GSSP) of the Guzhangian Stage (Cambrian) in the Wuling Mountains, Northwestern Hunan, China
Peng, Shanchi (彭善池)1,2; Babcock, Loren E.3; Zuo, Jingxun1,4; Lin, Huanling (林焕令)1; Zhu, Xuejian (朱学剑)1,5; Yang, Xianfen (杨显峰)g1; Robison, Richard A.6; Qi, Yuping (祁玉平)1; Bagnoli, Gabriella7; Chen, Yong'an8
2009-03-01
Source PublicationEPISODES
ISSN0705-3797
Volume32Issue:1Pages:41-55
Abstract

The Global boundary Stratotype Section and Point (GSSP) for the base of the Guzhangian Stage (Cambrian Series 3) is defined at the base of a limestone (calcisiltite) layer 121.3 in above the base of the Huagiao Formation in the Louyixi section along the Youshui River (Fengtan Reservoir), about 4 km northwest of Luoyixi (4 km southeast of Wangcun), in northwestern Hunan, China. The GSSP is exposed in a road cut at a position of 28 degrees 43.20' N and 109 degrees 57.88' E. The GSSP level contains the lowest occurrence of the cosmopolitan agnostoid trilobite Lejopyge laevigata (base of the L. laevigata Zone). Secondary global markers near the base of the stage include the appearance of either L. calva or L. armata just below the base of the stage, the appearance of conodonts associated with the base of the Laiwugnathus laiwuensis Zone, and the transgressive phase of a small eustatic event. Faunal turnovers close to the base of the Guzhangian Stage are recognized as near the base of the Boomerangian Stage in Australia, the base of the Aldanaspis Zone (polymerid trilobites) in Siberia, and the base of the Paradoxides forchhammeri Zone in western Avalonia. The horizon corresponding to the first appearance of L. laevigata is near the peak of a rather long negative delta C-13 excursion of up to 0.58 parts per thousand.

Language英语
WOS KeywordSouth China ; Series ; Middle ; Evolution ; Revision ; System ; Time ; Subdivision ; Antarctica ; Trilobites
Funding ProjectChinese Academy of Sciences[KZCX2-YW-122] ; Ministry of Science and Technology of China[2006FY120300] ; National Natural Science Foundation of China[40332018] ; National Natural Science Foundation of China[40672023] ; U.S. National Science Foundation[EAR-0106883]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000279995100006
Funding OrganizationChinese Academy of Sciences ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; U.S. National Science Foundation
PublisherGEOLOGICAL SOC INDIA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/221
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorPeng, Shanchi (彭善池)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, State Key Lab Paleobiol & Stratig, Nanjing 210008, Peoples R China
3.Ohio State Univ, Sch Earth Sci, Columbus, OH 43210 USA
4.Henan Inst Prov Geol Survey, Zhengzhou 450007, Peoples R China
5.Nanjing Univ, Dept Earth Sci, Nanjing 210093, Peoples R China
6.Univ Kansas, Dept Geol, Lawrence, KS 66045 USA
7.Univ Pisa, Dept Earth Sci, I-56126 Pisa, Italy
8.Hunan Bur Geol & Mineral Resources, Geol Team 405, Jishou 416007, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Peng, Shanchi ,Babcock, Loren E.,Zuo, Jingxun,et al. The Global Boundary Stratotype Section and Point (GSSP) of the Guzhangian Stage (Cambrian) in the Wuling Mountains, Northwestern Hunan, China[J]. EPISODES,2009,32(1):41-55.
APA Peng, Shanchi .,Babcock, Loren E..,Zuo, Jingxun.,Lin, Huanling .,Zhu, Xuejian .,...&Chen, Yong'an.(2009).The Global Boundary Stratotype Section and Point (GSSP) of the Guzhangian Stage (Cambrian) in the Wuling Mountains, Northwestern Hunan, China.EPISODES,32(1),41-55.
MLA Peng, Shanchi ,et al."The Global Boundary Stratotype Section and Point (GSSP) of the Guzhangian Stage (Cambrian) in the Wuling Mountains, Northwestern Hunan, China".EPISODES 32.1(2009):41-55.
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