摘要
<正>榍石(CaTiSiO_5)是一种普遍存在的副矿物,它不仅形成于酸性、中性、碱性等火成岩中,也广泛地形成于从低级到中高级变质岩、热液成因岩及少量变质岩中(Frost et al.2000;Storey et al.2006;Li et al.2010)。榍石具有较高的U含量,其U-Pb体系具有相对较高的封闭温度650~700℃,因而是一种非常适合用作U-Pb定年的副矿物(Cherniak 1993;Frost et al.2000;Storey et al.2006;2007)。与锆石相
引文
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