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17 December 2020 Sedimentary Environment Evolution of DLK01, a Borehole in the Holocene on the Southern Coast of Changxing Island, Liaodong Peninsula
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Abstract

Ma, H.; Fang, J.; Ni, J.; Zhang, L.; Liu, Y., and Li, J., 2020. Sedimentary environment evolution of DLK01, a borehole in the Holocene on the southern coast of Changxing Island, Liaodong Peninsula. In: Liu, X. and Zhao, L. (eds.), Today's Modern Coastal Society: Technical and Sociological Aspects of Coastal Research. Journal of Coastal Research, Special Issue No. 111, pp. 78–83. Coconut Creek (Florida), ISSN 0749-0208.

Clayey water electric conductivity, foraminifera analysis, and grain-size analysis of the DLK01 borehole in a shrimp pond in the south of Changxing Island, Liaodong Peninsula, were conducted. Combined with accelerator mass spectrometry 14C, the DLK01 core was divided into six sedimentary units from bottom to top: unit I, continental flooding deposit; unit II, storm surge or high tide deposit, formed earlier than 8352 cal BP; unit III, intertidal zone deposit, formed at 8352 cal BP and representing the Holocene transgression that changed from continental facies to marine–continental transitional facies; unit IV, shallow sea deposit, formed in 7738 cal BP and representing the rise of the sea surface in the Holocene; unit V, intertidal zone deposit, unconformably contacted with unit IV, indicating that the marine–continental transitional facies deposit was formed by the drop of seawater; and unit VI, salt marsh deposit to intertidal zone deposit, formed as the sea level dropped farther since 1340 cal BP.

©Coastal Education and Research Foundation, Inc. 2020
Hongwei Ma, Jing Fang, Jin Ni, Liping Zhang, Yufei Liu, and Jingyu Li "Sedimentary Environment Evolution of DLK01, a Borehole in the Holocene on the Southern Coast of Changxing Island, Liaodong Peninsula," Journal of Coastal Research 111(sp1), 78-83, (17 December 2020). https://doi.org/10.2112/JCR-SI111-013.1
Received: 2 March 2020; Accepted: 10 July 2020; Published: 17 December 2020
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