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Palynostratigraphic and paleoclimatic implications of the Pleistocene Cheongsu Core sediments, Jeju Island, Korea  

Moon Byoung-Chan (Department of Earth Science Education, Korea National University of Education)
Chung Chull Hwan (Department of Earth and Environmental Sciences, Chonnam National University)
Publication Information
Journal of the Korean earth science society / v.26, no.3, 2005 , pp. 276-282 More about this Journal
Abstract
The Quaternary palynoflora from Cheongsu core, drilled on the western part of the Jeju Island, consists mainly of deciduous broad-leaved angiosperms and herbs. Dominant taxa are Pinaceae, Alnus, Castanea/Castanopsis, Ulmus/Zelkova, Chenopodiaceae and Compositae. Based on palynofloral composition, two palynostratigraphic zones are recognized. Zone I is characterized by a predominance of Alnus and Chenopodiaceae, and by the abundance of herbs. Zone II is dominated by conifers and deciduous broad-leaved angiosperms, including Abies, Taxodiaceae-Cupressaceae-Taxaceae, Ulmus/Zelkova and Gramineae. The Cheongsu palynoflora can be correlated with Alnipollenites(Alnus)-Chenopodipollis(Chenopodiaceae)-Compositae Assemblage Zone of the East China Sea and is assigned to the Pleistocene in age. Ecology of main taxa and comparison with the present vegetation of Korea suggest a cool temperate climate and a low relief in the Jeju Island during the deposition of the Cheongsu core sediments.
Keywords
spores and pollen; palynostratigraphy; paleoclimate; Pleistocene; Jeju;
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