Hydrogen Incorporation in Plagioclase.

ABSTRACT: We conducted experiments at high pressure (P) and temperature (T) to measure hydrogen solubility in plagioclase (Pl) with a range of compositions (An₁₅ to An₉₄). Experiments were run at 700-850 °C, 0.5 GPa, and f _{O 2} close to either the Ni-NiO (NNO) or iron-wüstite (IW) oxygen buffers. Experiments at 700 °C on An₁₅ (containing 0.03 wt% FeO) reveal no dependence of H solubility on f _{O 2} between IW and NNO, but experiments at 800-850 °C on other compositions (with 0.3-0.5 wt% FeO) demonstrate that H solubility is enhanced by a factor of ~2 to 3 at IW compared to NNO, consistent with previous experiments by Yang (2012a) on An₅₈. By analogy with synthetic hydrogen f

SUBMITTER: Mosenfelder JL 

PROVIDER: S-EPMC7325727 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature