An apatite sample separated from the 3.8 Ga (zircon SHRIMP U-Th-Pb age) meta-quartz-diorite sample in Anshan area has been dated using SHRIMP II.
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- 本文报道了鞍山地区3.;8Ga(锆石SHRIMP年龄)变质石英闪长岩中磷灰石SHRIMP U-Th-Pb定年结果。