Composition changes in a basalt melt contained in a wire loop of Pt80Rh20: effects of temperature, time, and oxygen fugacity
- 1 March 1979
- journal article
- Published by Mineralogical Society in Mineralogical Magazine
- Vol. 43 (325) , 115-119
- https://doi.org/10.1180/minmag.1979.043.325.09
Abstract
Summary: Losses of FeO, Na2O, and K2O from an alkali olivine basalt melted above the liquidus temperature in Pt80Rh20wire loops are reported as a function of temperature, time, andPO2. Increasing temperature and decreasingPO2increase the losses. Compared to open capsules the wire-loop container reduces FeO loss to a minimum but may exacerbate Na2O loss. Nonetheless for most types of experiment involving melt these losses are acceptable.Keywords
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