Research Article

Early Cenozoic Multiple Thrust in the Tibetan Plateau

Table 1

Isotopic ages of early Cenozoic volcanic rocks and Miocene thermal events in the Tibetan Plateau.

Magmatic rock and sampling locationDating method/materialIsotopic agesReferences

Dongyuehu andesite (DHT)SHRIMP U-Pb/zircon44.3 ± 1.8 MaDong et al., 2008 [50]
Gongjue dacite (GJD)K-Ar linear isochron44.2 ± 0.9 MaLi et al., 2004 [51]
Yuejinla trachyandesite (YLT)K-Ar/whole rock43.0−32.6 MaZhu et al., 2005 [52]
Purogangri granite (PGG)K-Ar/biobite41.1 ± 0.5 MaZhu et al., 2005 [52]
Zurkanwula dacite (ZWD) 39Ar-40Ar/whole rock41.1 ± 0.8 MaLin et al., 2003 [53]
Dogecuoren andesite (DCA)K-Ar/whole rock41.6−32.6 MaZhu et al., 2005 [52]
Saiduopu granite (SGG)U-Pb/zircon40.6 ± 3.1 MaDuan et al., 2005 [54]
Tangula granite at Geladandong (SGG)U-Pb/zircon40.0 ± 3.0 MaLi et al., 2006 [12]
Bilog Co trachite (BCT)K-Ar/whole rock38.3 ± 3.3 MaLai et al., 2006 [48]
Nuangqian volcanic rocks (NQV)K-Ar/whole rock38.0−34.0 MaLai et al., 2006 [48]
Yulong Porphyry Copper Deposit (YCP)Re-Os/Molybdenite35.6 ± 0.2 MaLi et al., 2004 [1, 51]
Yaoan porphyry syenite (YPS)K-Ar/whole rock34.0−47.0 MaHou et al., 2004 [55]
Beiya porphyry syenite (BPS)K-Ar/whole rock45.0 ± 2.0 MaHou et al., 2004 [55]
Machangqing Copper porphyrite (MCP)Rb-Sr linear isochron36.0 ± 1.2 MaHou et al., 2004 [55]
Ejimaima andesite (EMA)K-Ar/whole rock34.8 ± 1.2 MaZeng et al., 2002 [56]
North Deqen volcanic rocks (NDV)K-Ar/whole rock33.0 ± 1.5 MaLi et al., 2004 [1, 51]
Andar Co trachite (ACT)K-Ar/whole rock32.6 ± 0.6 MaWang et al., 2005 [57]
Zougoyouchaco trachyandesite (ZCT) 39Ar-40Ar/whole rock30.5 ± 0.6 MaLi et al., 2006 [58]
Yulinshan leucite phonolite (YSP) 39Ar-40Ar/leucite27.8 ± 0.8 MaCai et al., 2002 [59]
Fenghuoshan granite (FSG) SHRIMP U-Pb/zircon27.6 ± 0.5 MaWu et al., 2008 [10]
Huochetou Shan basanite (HCB) 39Ar-40Ar/biobite26.7 ± 0.7 MaLiu et al., 2004b [60]
Manshan porphyry syenite (MPS)SHRIMP U-Pb/zircon26.5 ± 0.8 MaWei et al., 2007 [61]
Yadoi leucogranite (YLG)SHRIMP U-Pb/zircon35.3 ± 1.1 MaGao et al., 2009 [62]
Kude granite (KG)U-Pb/zircon27.5 ± 0.5 MaZhang et al., 2004 [63]

Explanation: sampling locations of Magmatic rocks are Marked in Figure 2.