Early labechiid stromatoporoids of the Yeongheung Formation (Middle Ordovician), Yeongwol Group, mideastern Korean Peninsula: Part II. Systematic paleontology and paleogeographic implications

Juwan Jeon, Jino Park, Suk Joo Choh, Dong Jin Lee

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    Three species belonging to two genera of labechiid stromatoporoids are described from the Yeongheung Formation (Darriwilian, Middle Ordovician), Yeongwol Group of the Taebaeksan Basin, mid-eastern Korean Peninsula. Sixteen stromatoporoid-bearing stratigraphic intervals have been recognized in the Namgyo section. All stromatoporoids occur in the peloidal and bioclastic packstone to grainstone facies. Labechia yeongwolense sp. nov. is the dominant species, occurring throughout the lower and middle parts of the section. In contrast, Labechiella mingshankouensis is restricted to the lower-middle part and Labechiella regularis occurs mostly in the upper part of the section. The occurrence of the early labechiids in the Yeongwol Group is suggestive of a close biogeographic affinity with the Liaoning and Shandong provinces of northeastern China.

    Original languageEnglish
    Pages (from-to)331-340
    Number of pages10
    JournalGeosciences Journal
    Volume21
    Issue number3
    DOIs
    Publication statusPublished - 2017 Jun 1

    Bibliographical note

    Publisher Copyright:
    © 2017, The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg.

    Keywords

    • Labechia
    • Labechiella
    • Middle Ordovician
    • North China Block
    • Yeongheung Formation
    • stromatoporoid

    ASJC Scopus subject areas

    • General Environmental Science
    • General Earth and Planetary Sciences

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