Discussion of \"The applicability of garnet-orthopyroxene geobarometry in mantle xenoliths\", by Wu C.-M. and Zhao G. (Lithos, v. 125, p. 1-9) (Articolo in rivista)

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  • Discussion of \"The applicability of garnet-orthopyroxene geobarometry in mantle xenoliths\", by Wu C.-M. and Zhao G. (Lithos, v. 125, p. 1-9) (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.lithos.2011.09.006 (literal)
Alternative label
  • Nimis P. [1,2]; Grütter H. [3] (2012)
    Discussion of "The applicability of garnet-orthopyroxene geobarometry in mantle xenoliths", by Wu C.-M. and Zhao G. (Lithos, v. 125, p. 1-9)
    in Lithos (Oslo. Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Nimis P. [1,2]; Grütter H. [3] (literal)
Pagina inizio
  • 285 (literal)
Pagina fine
  • 287 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.journals.elsevier.com/lithos/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 142-143 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1] Dipartimento di Geoscienze, Università di Padova, via G. Gradenigo, 6, 35131 Padova, Italy [2] IGG-CNR, Padova, Italy [3] BHP Billiton World Exploration Inc, #800 Four Bentall, 1055 Dunsmuir Street, Vancouver, BC V7X 1L2, Canada (literal)
Titolo
  • Discussion of \"The applicability of garnet-orthopyroxene geobarometry in mantle xenoliths\", by Wu C.-M. and Zhao G. (Lithos, v. 125, p. 1-9) (literal)
Abstract
  • Wu and Zhao (2011) argue that pressures and temperatures for mantle xenoliths are best determined by combining Taylor's (1998) garnet-orthopyroxene barometer and two-pyroxene thermometer. Here we show that this choice may lead to grossly erroneous P-T estimates for some peridotitic compositions and increased scatter around xenolith geotherms. We contend that the Nickel and Green (1985) barometer remains a better choice than the Taylor (1998) barometer for thermobarometry of garnet-facies mantle peridotites and pyroxenites, at least for orthopyroxenes with moderate sodium contents. For highly-sodic orthopyroxene compositions, the reliability of the Nickel and Green (1985) barometer and of its modifications proposed by Carswell and Gibb (1987) and Carswell (1991) still awaits detailed evaluation. (C) 2011 Elsevier B.V. All rights reserved. (literal)
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