Reply to 'Comment on "The beginnings of hydrous mantle wedge melting" by Till et al.' by Green, Rosenthal and Kovacs

Christy Till, Timothy L. Grove, Anthony C. Withers

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The comment of Green et al. debates the interpretation of the temperature of the H2O-saturated peridotite solidus and presence of silicate melt in the experiments of Till et al. (Contrib Mineral Petrol 163:669-688, 2012) at <1,000 °C. The criticisms presented in their comment do not invalidate any of the most compelling observations of Till et al. (Contrib Mineral Petrol 163:669-688, 2012) as discussed in the following response, including the changing minor element and Mg# composition of the solid phases with increasing temperature in our experiments with 14. 5 wt% H2O at 3. 2 GPa, as well as the results of our chlorite peridotite melting experiments with 0. 7 wt% H2O. The point remains that Till et al. (Contrib Mineral Petrol 163:669-688, 2012) present data that call into question the H2O-saturated peridotite solidus temperature preferred by Green (Tectonophysics 13(1-4):47-71, 1972; Earth Planet Sci Lett 19(1):37-53, 1973; Can Miner 14:255-268, 1976); Millhollen et al. (J Geol 82(5):575-587, 1974); Mengel and Green (Stability of amphibole and phlogopite in metasomatized peridotite under water-saturated and water-undersaturated conditions, Geological Society of Australia Special Publication, Blackwell, pp 571-581, 1989); Wallace and Green (Mineral Petrol 44:1-19, 1991) and Green et al. (Nature 467(7314):448-451, 2010).

Original languageEnglish (US)
Pages (from-to)1083-1085
Number of pages3
JournalContributions to Mineralogy and Petrology
Volume164
Issue number6
DOIs
StatePublished - 2012
Externally publishedYes

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peridotite
wedges
Minerals
Earth mantle
Melting
melting
minerals
mantle
solidus
mineral
Amphibole Asbestos
tectonophysics
Silicates
Water
Miners
experiment
amphiboles
temperature
Experiments
silicate melt

Keywords

  • Chlorite
  • HO-saturated
  • Hydrous melting
  • Peridotite solidus

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Reply to 'Comment on "The beginnings of hydrous mantle wedge melting" by Till et al.' by Green, Rosenthal and Kovacs. / Till, Christy; Grove, Timothy L.; Withers, Anthony C.

In: Contributions to Mineralogy and Petrology, Vol. 164, No. 6, 2012, p. 1083-1085.

Research output: Contribution to journalArticle

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title = "Reply to 'Comment on {"}The beginnings of hydrous mantle wedge melting{"} by Till et al.' by Green, Rosenthal and Kovacs",
abstract = "The comment of Green et al. debates the interpretation of the temperature of the H2O-saturated peridotite solidus and presence of silicate melt in the experiments of Till et al. (Contrib Mineral Petrol 163:669-688, 2012) at <1,000 °C. The criticisms presented in their comment do not invalidate any of the most compelling observations of Till et al. (Contrib Mineral Petrol 163:669-688, 2012) as discussed in the following response, including the changing minor element and Mg# composition of the solid phases with increasing temperature in our experiments with 14. 5 wt{\%} H2O at 3. 2 GPa, as well as the results of our chlorite peridotite melting experiments with 0. 7 wt{\%} H2O. The point remains that Till et al. (Contrib Mineral Petrol 163:669-688, 2012) present data that call into question the H2O-saturated peridotite solidus temperature preferred by Green (Tectonophysics 13(1-4):47-71, 1972; Earth Planet Sci Lett 19(1):37-53, 1973; Can Miner 14:255-268, 1976); Millhollen et al. (J Geol 82(5):575-587, 1974); Mengel and Green (Stability of amphibole and phlogopite in metasomatized peridotite under water-saturated and water-undersaturated conditions, Geological Society of Australia Special Publication, Blackwell, pp 571-581, 1989); Wallace and Green (Mineral Petrol 44:1-19, 1991) and Green et al. (Nature 467(7314):448-451, 2010).",
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