2000
DOI: 10.1029/1999jb900344
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Geochemical evolution of the Horoman peridotite complex: Implications for melt extraction, metasomatism, and compositional layering in the mantle

Abstract: Abstract. Major and trace element compositions and isotopic ratios of Sr and

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Cited by 55 publications
(54 citation statements)
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“…Normalizing values are from Sun and McDonough (1989). The broken lined area is as the fi elds of peridotites from the Horoman peridotite complex (Takazawa et al, 1992;Yoshikawa and Nakamura, 2000).…”
Section: Discussion and Conclurionsmentioning
confidence: 99%
“…Normalizing values are from Sun and McDonough (1989). The broken lined area is as the fi elds of peridotites from the Horoman peridotite complex (Takazawa et al, 1992;Yoshikawa and Nakamura, 2000).…”
Section: Discussion and Conclurionsmentioning
confidence: 99%
“…It has been proposed that the Horoman peridotites are residues formed 95 after partial melting of MORB source mantle (Takazawa et al, 1996a;Yoshikawa and 96 Nakamura, 2000), possibly beneath an ultraslow palaeo-Pacific spreading ridge (Shimizu et 97 al., 2006). Bulk peridotites with depleted light rare earth element (LREE) and 143 Nd/ 144 Nd 98 characteristics yield a Sm-Nd isochron age of 833 ± 78 Ma (Yoshikawa et al, 2000). Re-Os 'age' of 1.12 ± 0.24 Ga (Saal et al, 2001).…”
Section: Geological Background and Samples 91mentioning
confidence: 99%
“…The petrology, P-T trajectory and geochemistry (e.g. major and trace 130 element abundances, Sr and Nd isotope compositions) of this Bozu section have been well 131 studied (Takazawa et al 1992(Takazawa et al , 1996a(Takazawa et al , 1999(Takazawa et al and 2000Yoshikawa et al, 2000;Obata and 132 Takazawa, 2004). These samples represent residues from a significant degree of partial 133 melting (4 -25%) ranging from fertile lherzolites (3-4 % Al 2 O 3 and CaO) to depleted 134 harzburgites (~0.5 % Al 2 O 3 and CaO).…”
Section: Geological Background and Samples 91mentioning
confidence: 99%
“…( Kushiro and Yoder, 1966;Niida, 1984;Hirai and Arai, 1987;Takahashi and Arai, 1989;1989;Takahashi, 1991Takahashi, , 1992Takahashi, , 2001Ozawa and Takahashi, 1995;Takazawa et al, 1992Takazawa et al, , 1996Takazawa et al, , 1999Takazawa et al, , 2000Yoshikawa et al, 1993;, 1997;Yoshikawa and Nakamura, 2000;Morishita and Arai, 2003;Morishita et al, 2003Morishita et al, , 2004Ozawa, 2004;Sawaguchi, 2004) Takahashi (1991 3…”
mentioning
confidence: 99%
“…1) (Takahashi, 1991(Takahashi, , 1992Sawaguchi, 2004) MHL SDW BDH Fo Cr# (= Cr/(Cr + Al) ) (Niida, 1984;1997;Takazawa et al, 1999) Niida (1984 (1997) GBI, II, III Takazawa et al (1999) (Takazawa et al, 1996;Yoshikawa and Nakamura, 2000) and ultramafic xenoliths in high Mg andesite from the Kitakami mountains (Tsuchiya et al, 2005) (Takahashi et al, 1987) NiO (Fig. 6a) BDH (Takahashi, 1991) (Takahashi, 1991(Takahashi, , 1992) Type II SDW (Niida, 1984;1997;Takazawa et al, 1999;Morishita and Arai, 2001) Sr Nd MHL (Takazawa et al, 1999 (Yoshikawa and Nakamura, 2000) BDH (Takahashi, 1991(Takahashi, , 1992; ) (Takahashi, 1991, 1992) Takazawa et al (1999 …”
mentioning
confidence: 99%