遇见数据集

U–Th Dating of the RAT Speleothem from Menorca Island (387–209 ka)@en

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DataONE2026-03-11 更新2026-05-19 收录
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This dataset comprises U-Th dating results from the RAT speleothem. The data were used to reconstruct past climate variability in the western Mediterranean region over the interval 387 to 209 ka, encompassing several glacial terminations (TIV, TIII, and TIIIa). The speleothem was collected in winter 2011 from Murada Cave, located on Menorca Island (39°57′58″N; 3°57′53″E). Element isolation was performed according to Shen et al. (2002) and Cheng et al. (2009). U-Th dating was conducted using a multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) with parallel ion-counting (Finnigan Neptune) at the University of Minnesota and Xi'an Jiaotong University. Age-depth models were calculated with the StalAge package in R (Scholz and Hoffmann, 2011).

本数据集包含RAT洞穴碳酸盐沉积体(speleothem)的铀钍测年(U-Th dating)结果。该数据被用于重建西地中海地区387至209千年前的古气候演化特征,涵盖了TIV、TIII及TIIIa等数次冰消期。该洞穴碳酸盐沉积体于2011年冬季采自梅诺卡岛的穆拉达洞穴(Murada Cave),其地理坐标为北纬39°57′58″、东经3°57′53″。元素分离流程参照Shen等人(2002)与Cheng等人(2009)的方法完成。铀钍测年工作借助配备并行离子计数系统的多接收器电感耦合等离子体质谱仪(multi-collector inductively coupled plasma mass spectrometer,MC-ICP-MS,Finnigan Neptune型),分别于明尼苏达大学与西安交通大学开展。年龄-深度模型通过R语言中的StalAge程序包(Scholz与Hoffmann,2011)计算得到。

创建时间:
2026-04-21
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