32 research outputs found

    Metalinguistic contribution to reading comprehension:A comparison of Primary 3 students from China and Singapore

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    202107 bcvcAccepted ManuscriptSelf-fundedPublishe

    Major element composition of IODP Site U1501 in the South China Sea from 5.2 to 5.8 Ma

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    IODP Site U1501 (18°53.09′N, 115°45.95′E, water depth: 2846 m) is situated on the west side of Pearl River Canyon. The length for hole C at IODP Site U1501 is up to 461.8 m, covering the last 40 Ma (Jian et al., 2018; Ma et al., 2019). 31 samples were selected at 20 cm intervals from the interval from 92.86 to 99.29 m, which spans from 5.2-5.8 Ma (Jian et al., 2018). All 31 samples of IODP Site U1501 are analyzed by inductively coupled plasma-optical emission (ICP-OES) to acquire the major elemental contents in Peking University during June 2021. We use the major element data to calculate the provenance proxies (Hu et al., 2021), then further discuss the change of Taiwan input during the late Miocene

    Age models, clay minerals and major element concentrations of sediment cores DLW3101, MD12-3429 and MD12-3432 in the South China Sea since 150 ka

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    The source-to-sink system of the northern South China Sea (SCS) has been widely discussed during the past few decades, but little is known about the transport processes and the controlling mechanisms on different spatiotemporal scales. Here, we study the spatiotemporal changes in sediment depositional patterns on the northern SCS continental slope since 150 ka using major element, clay mineralogy and grain size data from four sediment sites. Although the changes in major element composition are strongly related to mineral content variations, few studies have focused on the relationship between element compositions and provenance changes. We presents the major element compositions from three sites that cover the full depth range of the northern South China Sea slope. The results indicate that the most significant control on element composition is provenance change. Elemental and mineral contents are used to reconstruct the spatiotemporal patterns of sediment deposition over the last 150 kyr. And we infer that the ocean currents, bathymetry, sea level and monsoon control sediment depositional processes here on different spatiotemporal scales
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