Abstract— The paper presents U–Pb zircon dates (SHRIMP-II) and isotopic-geochemical data (SIMS and Sm–Nd method) on detrital zircon and its sedimentary host rocks of the Daldyn Group at the Anabar Shield. The rocks were metamorphosed to the granulite facies. The oldest Eoarchean (3.7 Ga) source of terrigenous material (determined based on single zircon grains) is confirmed by the Nd model age of the protolith: T Nd (DM) 2 = 3.69–3.71 Ga. The rocks are dominated by zircon dated at 3.5 Ga, which reflects that the area from which the terrigenous material was brought consisted mostly of Paleoarchean magmatic rocks.

中文翻译：

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俄罗斯中西伯利亚中北部阿纳巴尔地盾 Daldyn 群石英岩碎屑锆石 U-Pb 年龄和地球化学

摘要——本文提供了 Anabar 地盾 Daldyn 群碎屑锆石及其沉积主岩的 U-Pb 锆石日期 (SHRIMP-II) 和同位素地球化学数据 (SIMS 和 Sm-Nd 方法)。岩石变质为麻粒岩相。最古老的始太古代 (3.7 Ga) 陆源物质来源（根据单个锆石颗粒确定）由原岩的 Nd 模型年龄证实：T Nd (DM) 2 = 3.69–3.71 Ga。岩石以锆石为主，年代为3.5 Ga，反映了陆源物质的来源区域主要由古太古代岩浆岩组成。