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首页> 外文期刊>Contributions to Mineralogy and Petrology >Reply to 'Comment on The beginnings of hydrous mantle wedge melting by Till et al.' by Green, Rosenthal and Kovacs
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Reply to 'Comment on The beginnings of hydrous mantle wedge melting by Till et al.' by Green, Rosenthal and Kovacs

机译:回复“ Till等人对水合地幔楔融化的开始的评论”。格林,罗森塔尔和科瓦奇

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The comment of Green et al. debates the interpretation of the temperature of the H_2O-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% H_2O at 3.2 GPa, as well as the results of our chlorite peridotite melting experiments with 0.7 wt% H_2O. The point remains that Till et al. (Contrib Mineral Petrol 163:669-688, 2012) present data that call into question the H_2O-saturated peridotite solidus temperature preferred by Green (Tectonophysics 13(1-4):47-71, 1972; Earth Planet Sci Lett 19(l):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 metaso-matized peridotite under water-saturated and water-under-saturated 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).
机译:Green等人的评论。在Till等人的实验中,辩论了对H_2O饱和橄榄岩固相线温度的解释和硅酸盐熔体的存在。 (Contrib Mineral Petrol 163:669-688,2012)在<1,000°C下进行。他们的评论中提出的批评并没有使Till等(Contrib Mineral Petrol 163:669-688,2012)最引人注目的观察结果无效,包括以下变化,包括改变中的微量元素和Mg#组成。在3.2 GPa下使用14.5 wt%H_2O进行的实验中,随着温度的升高而形成的固相,以及0.7 wt%H_2O的绿泥石橄榄石熔融实验的结果。关键是蒂尔等人。 (Contrib Mineral Petrol 163:669-688,2012)提出的数据令人质疑Green偏爱的H_2O饱和橄榄岩固相线温度(Tectonophysics 13(1-4):47-71,1972; Earth Planet Sci Lett 19(l ):37-53,1973; Can Miner 14:255-268,1976); Millhollen等。 (J Geol 82(5):575-587,1974); Mengel和Green(在水饱和和水饱和条件下,变质橄榄岩中的闪石和金云母的稳定性,澳大利亚地质学会特别出版物,布莱克韦尔,第571-581页,1989年);华莱士和格林(Mineral Petrol 44:1-19,1991)和格林等人。 (自然467(7314):448-451,2010)。

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