WebDec 9, 2024 · Clinopyroxene is a major host mineral for lithophile elements in the mantle lithosphere, and therefore, its origin is vital for constraints on mantle evolution and melt generation. In situ Sr isotopic measurement of clinopyroxene has been available since the recent development of laser ablation multicollector inductively coupled plasma mass ... http://www.minsocam.org/msa/ammin/toc/Articles_Free/1997/Luth_p1198-1209_97.pdf
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WebClinopyroxene is a major host for sodium, calcium, chromium, and titanium in mantle xenoliths and shows extensive solid solution toward orthopyroxene and/or garnet at high … WebA comprehensive experimental dataset was used to analyse the compositional dependence of the garnet-clinopyroxene Fe2+/Mg partition coefficient (K d). The Mg no. of garnet was found to have a significant effect on the K d, in addition to calcium content of garnet. An empirical model was developed to relate these effects with equilibrium temperature and … dateline commentators
Clinopyroxene precursors to amphibole sponge in arc crust
WebJan 31, 2013 · Pressures calculated with the thermobarometer of Nimis and Taylor used here depend upon the distribution of Cr between garnet and clinopyroxene. Smith and Barron measured steep gradients of Cr within about 100 µm of a mutual contact of diopside included in a discrete garnet grain from SUM, and they suggested that Cr would not … WebThe exchange of Ca and Mg between olivine and clinopyroxene has been studied in the CFMS system. Experiments were conducted in a piston-cylinder apparatus in the temperature range of 1,100–1,300° C and the pressure range 10–30 kbar. Results confirm the previous suggestion (Adams and Bishop 1982) that this reaction has a sufficiently … WebAbstract. Clinopyroxene-only thermobarometry is one of the most practical tools to reconstruct crystallization pressures and temperatures of clinopyroxenes. Because it does not require any information of coexisting silicate melt or other co-crystallized mineral phases, it has been widely used to elucidate the physiochemical conditions of crystallizing … massa molare hno2