Quaternary Marine Transgressions and Paleoclimate in the Yangtze River Delta Region

Jiang, Lin; Zhang, Shanlin; Qiu, Jinbo; Wu, Biaoyun; Huang, Huanzhong; Huang, Hong-Yuan; Xi, Jinying; Bao-gen, Tang; Cai, Zuren; He, Yubao

doi:10.1016/0033-5894(89)90096-3

Cited by 19 publications

(11 citation statements)

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“…The paleotopography of the Late Cenozoic basement was characterized by highlands in the western and south-western areas and NE-oriented valleys in the northeast. Fluvial and lacustrine sedimentation dominated during the early Pleistocene, while coastal and shallow marine deposits have appeared mainly since the mid-Pleistocene (Lin et al, 1989;Chen et al, 1997). The Changjiang River originally occupied a more northerly position and has moved to its current location only during the Holocene (Chen and Stanley, 1995;Xiao et al, 2004).…”

Section: Geologic Settingmentioning

confidence: 99%

A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China

et al. 2013

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Q. (2013). A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China. Quaternary Research, 79 (3), 424-438. A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China AbstractThe distribution of marine-influenced oxygen isotope stage (OIS) 5 to OIS 1 sediments was examined in several late Quaternary boreholes from the southern Changjiang (Yangtze) delta plain, China, using different dating methods including OSL, U-series, AMS 14C and paleomagnetism. Results demonstrate that coastal and estuarine deposition during OIS 5 and OIS 3 occurred throughout the study area. However, Holocene transgressive sediments were absent on the Taihu block. The burial depth of intertidal to subtidal sediment deposited during OIS 5e records 30-80 m subsidence caused by sediment compaction and tectonic movement since that time. However, coastal sediments formed during the late phase of OIS 3 were buried to a depth of ca. 6-15 m in the Taihu Lake area, while the burial depth increased eastward to ca. 45-60 m on the coastal plain. This phenomenon, combined with the distribution of Holocene marine strata, indicates at least 25-30 m uplift of the Taihu block since the end of OIS 3. We suggest that this uplift was mainly caused by the differential subsidence due to substantial amount of post-glacial deposition by the Changjiang and Huanghe Rivers on the continental shelf of east China marginal sea. The distribution of marine influenced oxygen isotope stage (OIS) 5 to OIS 1 sediments were 13 examined in several late Quaternary boreholes from the southern Changjiang (Yangtze) delta 14 plain, China, using different dating methods including OSL, U-series, AMS since the end of OIS 3. We suggest that this uplift was mainly caused by the differential 2 subsidence due to substantial amount of post-glacial deposition by the Changjiang and 3Huanghe Rivers on the continental shelf of east China marginal sea. 4

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Section: Geologic Settingmentioning

confidence: 99%

A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China

et al. 2013

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“…This indicates that the SYS depositional environment has been primarily controlled by global sea‐level changes since the Quaternary. Hole QC2 and adjacent boreholes reveal that a minimum of eight transgression events might have occurred over the SYS shelf (Yang, ; Zheng, ; Yang et al ., ), and the boreholes in the Yangtze River delta area on the southwest side also reveal similar transgressive events (Lin et al ., ).…”

Section: Discussionmentioning

confidence: 97%

Quaternary seismic facies of the South Yellow Sea shelf: depositional processes influenced by sea‐level change and tectonic controls

Zhao²,

Feng

et al. 2016

Geological Journal

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The South Yellow Sea (SYS) is a semi-closed epicontinental sea, where voluminous material input and regional tectonic subsidence facilitate preservation of depositional strata, making it an ideal place for studying the regional responses to global sea-level changes during the Quaternary. Based on high-resolution single-channel seismic data, we conducted a detailed study of the SYS shelf in terms of its stratigraphic architecture and seismic facies. In combination with borehole data, we analysed the depositional processes of the SYS shelf since the Quaternary. A minimum of 14 seismic sequences were identified on the seismic profiles, which primarily show four typical seismic reflection facies: progradational reflection facies, parallel reflection facies, chaotic reflection facies and incised valley facies, with the former two seismic facies usually alternating with the latter two vertically. Borehole and seismic data revealed that the SYS shelf has been basically controlled by global sea-level changes since the Quaternary, and three significant transgression events had occurred over the SYS shelf since the Middle Pleistocene (ca. 730 ka BP-Present), taking place in the early Middle Pleistocene, the early Late Pleistocene and at the end of the Late Pleistocene-Holocene, respectively, with their products corresponding to seismic sequences U90, U50 and U10, respectively. Seismic data showed that, in a previous division of the main boundaries for holes EY02-2, NHH01 and QC2, the Holocene and the Upper Pleistocene bottom boundaries are concordant, while the Middle Pleistocene bottom boundary is discordant, and our study indicated that the division scheme for the Middle Pleistocene bottom boundary related to holes EY02-2 and NHH01 is more reasonable. The turning point of variation in the depositional environment of the SYS is at the end of the Middle Pleistocene, before which global sea-level change and tectonic subsidence controlled the shelf deposition. The shelf was inclined westwards and the tectonic topography of the southern margin of the shelf-forced seawater to invade via passages during sea-level rise. This resulted in a limited stratigraphic distribution formed by shortduration transgression events with low-amplitude sea-level rise; thereafter, the shelf deposition was predominated by global sea-level and rivers, and the shelf sediments were mainly derived from mainland China on the west of the shelf and were primarily accumulated on the middle and western parts of the shelf.

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“…Abundant foraminifera fossils and appearance of shallow marine species reflect the strongest transgression at 34.3∼27.4 m in the late Pleistocene. The age of this transgression should be MIS5e according to the Blake excursion detected at 26.6∼29.2 m. Previous studies considered transgression during MIS5 in the Yangtze delta area was a weak one in both spatial distributions and intensity in comparison with other transgressions [13,15,19,41] . However, the results of WJ demonstrate strongest transgression of MIS 5e since the late stage of Mid-Pleistocene, in agreement with the global climate and sea level change (Fig.…”

Section: Late Quaternary Transgression Events and Their Speculated Agesmentioning

confidence: 99%

Mineral Magnetic Properties and Late Quaternary Transgressions Recorded by the Borehole WJ in the Taihu Plain, China

Chen

Wang

Qiang

et al. 2013

Chinese J of Geophysics

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With paleomagnetism and AMS14 C dating results, we reconstructed the depositional environmental evolution and marine transgression events during the Late Quaternary by examining the lithology, grain size, magnetic properties, and foraminifera of sediments from a borehole WJ in the Taihu plain of southern Yangtze Delta, China. We also investigated the application of magnetic proxies to distinguishing depositional environments in the estuarine-deltaic area. The results show that the sediment sequence of borehole WJ could be divided into four periods including Mid-Pleistocene stage I, Mid-Pleistocene stage II, Late Pleistocene, and Holocene. Their depositional geomorphological conditions were fluvial-lacustrine plain, coast-terrace, mouth bar-estuarytidal flat-terrace, and lacustrine plain, respectively. Three transgression events were revealed by the borehole WJ, which happened during the late stage of Mid-Pleistocene, marine isotope stage (MIS) 5 and MIS3 of LatePleistocene. The MIS5e transgression was the strongest one and the transgression in the late stage of MIS3 intensified significantly. Magnetic properties were strongest in the tidal flat and mouth bar sediments, with notably high values of χ lf , SIRM and HIRM.

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Quaternary Marine Transgressions and Paleoclimate in the Yangtze River Delta Region

Cited by 19 publications

References 0 publications

A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China

A raised OIS 3 sea level recorded in coastal sediments, southern Changjiang delta plain, China

Quaternary seismic facies of the South Yellow Sea shelf: depositional processes influenced by sea‐level change and tectonic controls

Mineral Magnetic Properties and Late Quaternary Transgressions Recorded by the Borehole WJ in the Taihu Plain, China

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