Revised stratigraphy of the Xiazhen Formation (Upper Ordovician) at Zhuzhai, South China, based on palaeontological and lithological data
- Authors
- Lee, Dong-Chan; Park, Jino; Woo, Jusun; Kwon, Yi Kyun; Lee, Jeong-Gu; Guan, Liming; Sun, Ning; Lee, Seung-Bae; Liang, Kun; Liu, Lu; Rhee, Chul-Woo; Choh, Suk-Joo; Kim, Byong-Song; Lee, Dong-Jin
- Issue Date
- 2012
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Xiazhen Formation; stratigraphy; Upper Ordovician; invertebrate palaeontology; South China; palaeogeography
- Citation
- ALCHERINGA, v.36, no.3, pp.387 - 404
- Indexed
- SCIE
SCOPUS
- Journal Title
- ALCHERINGA
- Volume
- 36
- Number
- 3
- Start Page
- 387
- End Page
- 404
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/109275
- DOI
- 10.1080/03115518.2012.658724
- ISSN
- 0311-5518
- Abstract
- Three exposures of the Upper Ordovician Xiazhen Formation at Zhuzhai, Yushan, Jiangxi Province, China are re-measured and described in detail. Comparison of palaeontological and lithological data from the exposures (designated sub-sections ZU1, ZU2 and ZU3) reveals that the sub-sections overlap stratigraphically. Nearly identical assemblages of trilobites and brachiopods occur in mudstones of ZU1 and ZU3, whereas a different assemblage occurs in those of ZU2. Identical coral species occur in the overlapped intervals of ZU1 and ZU2, and ZU1 and ZU3, respectively. In addition, a distinctive identical lithological succession consisting of brachiopod-bearing nodular limestone at the base to coral floatstone at the top is evident in the overlapped interval of ZU1 and ZU2; prism-cracked algal laminites are found in the same interval; and bioclastic limestone beds, which represent bioherms consisting mainly of corals and stromatoporoids, occur in both ZU1 and ZU3. A thrust fault system appears to be responsible for the repetition in the subsections, and the faulting was probably due to the major post-Ordovician structural movements exerted on the Zhe-Gan Platform of the Jiangnan Region of the South China Block.
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