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Sedimentary mechanisms and high-resolution stratigraphy of Upper Pleistocene deposits of the eastern coast of Tunisia (Hergla escarpment)

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doi.org2025-03-23 收录
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http://doi.org/10.17632/v9hx4vbb6m.2
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- Magentic susceptibility data: the analysis of magnetic susceptibility (MS) signal variations involved 43 samples from representative facies. Samples were packed into 10 cm3 cylindrical plastic (perspex) pots for MS analysis. The low-frequency magnetic susceptibility (MS) was measured by a Bartington MS2B probe at frequencies of 0.47 kHz. - the screen washings performed on marls showed that the fossil components were primarilycomposed of ostracods and benthic foraminifera. The micropaleontological determination of the different species using a Scanning Microscope. - Semi-quantitative analysis of allochems were performed on on 22 thin-sections that revealed various skeletal components. Results of bioclasts frequencies needed for the semi-quantitative analysis are summarized in the table below (Bioclast's frequencies data).

磁性灵敏度数据:对磁性灵敏度(MS)信号变化的分析涉及了来自代表性岩相的43个样本。样本被装入10立方厘米的圆柱形塑料(聚苯乙烯)容器中,以便进行MS分析。低频磁性灵敏度(MS)通过Bartington MS2B探头在0.47 kHz的频率下进行测量。 对泥岩进行的筛洗显示,化石成分主要由介形虫和底栖有孔虫组成。利用扫描显微镜对不同物种进行微体古生物学鉴定。 对22个薄片进行了半定量分析,揭示了各种骨骼成分。下表总结了用于半定量分析的生物碎屑频率数据(生物碎屑频率数据)。
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