Does re-heating modify the composition of a olivine-hosted melt inclusion?

10 March 2023 1 8K Report

Hello everyone,

I would like to know that does re-heating modify the composition of a olivine-hosted melt inclusion in basaltic rocks? For example, unheated olivine-hosted MIs show the SiO2 value ~69 wt%. However, heated MIs show the same composition as basaltic rocks(SiO2=50 wt%)

The heated MIs and unheated MIs are not the same olivine-hosted grains, but the same one basaltic rocks sample.

Robert Bodnar

The answer is in this paper:

Rose-Koga E + 74 co-authors (2021) Silicate melt inclusions in the new millennium: A review of recommended practices for preparation, analysis, and data presentation. Chemical Geology, 570, paper #120145, 26 pp. https://doi.org/10.1016/j.chemgeo.2021.120145

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