Cyclic patterns in the Lower Ordovician Dumugol Formation, Korea: Influence of compaction on sequence-stratigraphic interpretation in mixed carbonate–shale successions

Cho, Eunhyun; Hong, Jongsun

doi:10.1016/j.sedgeo.2021.105942

Cited by 7 publications

(2 citation statements)

References 79 publications

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“…When the tectonic movement is relatively stable, the accommodation space changes with the change of relative sea level, that is, the change of relative sea level directly controls the increase (corresponding to the rise of relative sea level) or decrease (corresponding to the decline of relative sea level) of sediment accommodation space (e.g., Posamentier and Vail, 1988; Cross and Lessenger, 1998; Zheng et al, 2000; Zhu, 2000; Catuneanu et al, 2009; Catuneanu, 2019). Therefore, the change law of Fischer plot can semi qualitatively reflect the change of relative sea level, that is, when Fischer plot rises, the relative sea level rises, and when it falls, the relative sea level falls (Sadler et al, 1993; Goldhammer et al, 1993; Chen et al, 2001; Mei et al, 2001; Meng and Ge, 2004; Tucker et al, 2009; Lin and Hou, 2014; Cho and Hong, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…Besides the research methods mentioned, the dacades practice proved that the Fischer plot is a simple and practical tool to illustrate the fluctuations of accommodations which could be interpreted as relative sea-level changes (Appendix 1 Table Spl. 1) (Liu et al, 1999(Liu et al, , 2012bMei et al, 2001;Meng and Ge, 2004;Tucker et al, 2009;Peng et al, 2013;Lin and Hou, 2014;Cho and Hong, 2021).…”

Section: Introductionmentioning

confidence: 99%

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The high-frequency sea-level change in the aftermath of the Marinoan snowball Earth: Evidence from the Doushantuo formation in the northern margin of the Yangtze Craton, South China

Kuang

Liu

et al. 2023

Energy Exploration & Exploitation

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The rapid rise of glacioeustatic change is the most extreme paleoenvironment alteration in the aftermath of Snowball Earth. Although geologists conducted a lot of multi-subdiscipline research on this issue previously, there still exists the potential room for further discussions of the process in detail. For decades, the practice proved that the Fischer plot is a simple and robust tool to illustrate the fluctuations of accommodation patterns v.s. cycle sets or strata depth which could be interpreted as relative sea-level changes. This research simulates the Fischer plot to unravel the sea-level change in the aftermath of Marinoan glaciation by measuring the lower Ediacaran Doushantuo Formation in Shennongjia, South China. The result shows that 131 fifth-order cycles and nine third-order cycles help us propose a completed second-order cycle variation of ice melting-forced sea-level change, i.e., (1) early high-frequency and slow to rapid stepwise rising, and (2) followed by a stable decrease in the latter. In addition, the vertical sedimentary facies of the lower Doushantuo Formation display, in ascending order, (1) intertidal carbonate rock, (2) subtidal clastics with turbidite, and (3) intertidal lagoon fine clastics, indicating the process of the relative waxing and waning of sea-level. Such interpretation of the Fischer plot and the sedimentary facies’ vertical evolution is beneficial for studying the high-frequency sea-level change and paleogeographic reconstruction of post-Marinoan deglaciation.

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