HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS

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HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS ( handbook-onphysics-and-chemistry-rare-earths )

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186 Handbook on the Physics and Chemistry of Rare Earths 30 FIG. 27 100 20 10 0 HREE-U-Th-poor zircon from the Paleozoic-Mesozoic granites in Japanese island arc (Suzuki, 1988; Suzuki and Adachi, 1991; Suzuki et al., 1990, 1992; Hoshino et al., 2010) HREE-U-Th-rich zircon from the Mesozoic granitic pegmatite in Japanese island arc (Hoshino et al., 2010) Zircon from the Precanbrian-Mesozoic granitic rocks from intracontinental settings (Cerny & Siivola, 1980; Wang et al., 1996, 2000; Lumpkin and Chakoumakos, 1988, Pointer et al., 1988; Uher and Cerny, 1998; Huang et al., 2002; Zhang et al., 2004; Johan and Johan, 2005; Xie et al., 2005; Breiter et al., 2006; Van Lichtervelde et al., 2009) 0 Hafnian zircon 20,000 40,000 60,000 Y (ppm) 80,000 Plot of Hf (wt.%) vs. Y (ppm) for zircons from granitic rocks in Japanese island arc (the Mesozoic-Paleozoic era) and in intracontinental settings (Mesozoic-Precambrian age). Data from Breiter et al., 2006; Cˇerny ́ and Siivola, 1980; Hoshino et al., 2010; Huang et al., 2002; Johan and Johan, 2005; Lumpkin and Chakoumakos, 1988; Pointer et al., 1988; Suzuki, 1988; Suzuki and Adachi, 1991; Suzuki et al., 1990, 1992; Uher and Cˇerny ́, 1998; Van Lichtervelde et al., 2009; Wang et al., 1996, 2000; Xie et al., 2005; Zhang et al., 2004. 2ThSiO4 70 30 75 25 Monazite from magnetite-series granitic rocks (Hoshino et al., 2012b) Monazite from ilmenite-series granitic rocks (Suzuki et al., 1990; Hoshino et al., 2012b) Monazite from I type granitic rocks in intracontinental settings (Kelts et al., 2008) Monazite from S-type granitic rocks in intracontinental settings (Finger et al., 1998; Förster, 1998; Broska et al., 2000, 2005; Kelts et al., 2008; Broska and Petrík, 2008) 0 80 85 90 95 20 15 10 5 2REEPO0 5 10 15 20 25 30 CaTh(PO4)2 4 FIG. 28 2REEPO4–CaTh(PO4)2–2ThSiO4 diagram of monazite from magnetite-series and ilmenite-series granitic rocks in Japanese island arc (the Mesozoic) and I-type and S-type granitic rocks in intracontinental settings (the Paleozoic). In calculating the endmember proportions, the contents of U, Pb, and Fe are included with cheralite molecule. Data from Broska and Petr ́ık, 2008; Broska et al., 2000, 2005; Finger et al., 1998; F€orster, 1998; Hoshino et al., 2012b; Kelts et al., 2008; Suzuki et al., 1990. From Hoshino, M., Watanabe, Y., Ishihara, S., 2012b. Crystal chemistry of monazite from the granitic rocks of Japan: petrogenetic implications. Can. Mineral. 50, 1331–1346. Hf (wt%)

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