华南钦州-防城港地区碎屑锆石和Lu—Hf同位素

采用锆石U-Pb年代学和寒武纪Lu-Hf同位素分析方法，对钦州-防城港及邻近地区泥盆系样品进行沉积物源追踪，提出了钦州-防城港地区的两期演化历：:一是早古生代冈瓦纳东部和华夏东部块体侵蚀的陆内盆地，二是中泥盆世以来云开山地区的前陆盆地，包括样品名称，样品名称，点号Th/U
207Pb/206Pb，207Pb/235U，206Pb/238U，207Pb/206Pb，207Pb/235U，206Pb/238U，176Hf/177Hf，176Lu/177Hf，176Yb/177Hf，εHf(t)，TDM，利用结果对其成岩年代进行了锆石年代学约束，给出了3449Ma-324MaMa的岩浆年龄，结果对区域的岩浆作用和构造背景具有重要意义，数据预估记录数为800。

Zircon U-Pb geochronology and Cambrian Lu-Hf isotope analysis were employed to trace sediment provenance for Devonian samples collected from the Qinzhou-Fangcheng area and its adjacent regions. Two evolutionary stages of the Qinzhou-Fangcheng region were proposed: 1) an intracontinental basin formed by erosion of eastern Gondwana and eastern Cathaysia blocks during the Early Paleozoic; 2) a foreland basin in the Yunkai Mountain area since the Middle Devonian. This dataset includes sample names, spot numbers, Th/U ratio, 207Pb/206Pb, 207Pb/235U, 206Pb/238U, 207Pb/206Pb, 207Pb/235U, 206Pb/238U, 176Hf/177Hf, 176Lu/177Hf, 176Yb/177Hf, εHf(t), and TDM. The analytical results were used to constrain diagenetic ages via zircon geochronology, yielding magmatic ages ranging from 3449 Ma to 324 Ma. These results are of great significance for studying regional magmatism and tectonic settings, with the total estimated number of dataset records being 800.