Radiolarian-bearing conglomerate from the Hayang Group, the Kyongsang Supergroup, Southeastern Korea

T. Mitsugi, K. Ishida, B. G. Woo, K. H. Chang, S. O. Park, H. Hirano

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The non-marine Cretaceous Kyongsang Supergroup, which is divided into the Sindong, the Hayang and the Yuchon groups, is widely distributed in southeastern Korea. Radiolarian-bearing pebbles are collected from the conglomerates of the Kumidong and the Kisadong formations of the Hayang Group. The age of radiolarian fossils range from Late Permian to Middle Jurassic. In Korea, Permian to Middle Jurassic marine chert beds are not exposed. The directions of paleocurrents of the Kumidong and the Kisadong formations are mainly from the northeast to southwest. During Cretaceous time, the Mino-Tamba Belt, within which Permian to Middle Jurassic chert beds are exposed, is suggested to have been located northeast of the Kyongsang Basin. The radiolarian faunas of the Hayang Group are similar to those of the Mino-Tamba Belt and other associated Mesozoic accretionary belts in Japan (e.g. the Ashio Belt). The provenance of the radiolarian-bearing pebbles collected from the Kumidong and the Kisadong formations is interpreted to be the Mino-Tamba Belt and other associated Mesozoic accretionary belts in Japan.

Original languageEnglish
Pages (from-to)751-763
Number of pages13
JournalJournal of Asian Earth Sciences
Volume19
Issue number6
DOIs
Publication statusPublished - 2001

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conglomerate
Permian
Jurassic
chert
pebble
Cretaceous
paleocurrent
provenance
fossil
fauna
basin

Keywords

  • Cretaceous
  • Hayang Group
  • Korea
  • Mino-Tamba Belt
  • Radiolaria
  • Radiolarian-bearing conglomerate

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology

Cite this

Radiolarian-bearing conglomerate from the Hayang Group, the Kyongsang Supergroup, Southeastern Korea. / Mitsugi, T.; Ishida, K.; Woo, B. G.; Chang, K. H.; Park, S. O.; Hirano, H.

In: Journal of Asian Earth Sciences, Vol. 19, No. 6, 2001, p. 751-763.

Research output: Contribution to journalArticle

Mitsugi, T. ; Ishida, K. ; Woo, B. G. ; Chang, K. H. ; Park, S. O. ; Hirano, H. / Radiolarian-bearing conglomerate from the Hayang Group, the Kyongsang Supergroup, Southeastern Korea. In: Journal of Asian Earth Sciences. 2001 ; Vol. 19, No. 6. pp. 751-763.
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