Excess Oxygen Stored in Magma Increases with Pressure (IMAGE)

Science China Press

Excess Oxygen Stored in Magma Increases with Pressure

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Excess oxygen in silicate glass increases with pressure. Circles and diamonds show experiments on basalt that was fully molten or partly molten, respectively; open symbols mark control runs without an added oxygen source; squares show molecular dynamics results for MgSiO3 melt. Colors indicate temperature. The dashed line marks the starting composition.

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