Properties of hydrous fluids and silicate melts at very high temperatures and pressures

高温、高压、富水流体在许多地质过程中起着中心作用。然而，这些流体的特征非常难以描述：尽管它们的影响在许多岩石中都很明显，但这些流体本身活性太强，无法保存。这里描述了在广泛的地质相关条件下研究含水流体和硅酸盐熔体的组成和热力学性质的几种新技术。这项研究的结果将极大地提高对火山作用、矿石沉积和变质作用等不同地质过程的理解。

High-temperature, high-pressure, water-rich fluids play a central role in many geological processes. However, these fluids are extremely difficult to characterise: although their effects are evident in many rocks, the fluids themselves are too reactive to be preserved. Here several novel techniques are described for studying the compositions and thermodynamic properties of hydrous fluids and silicate melts over a wide range of geologically relevant conditions. The results of this study will greatly improve the understanding of geological processes as widely diverse as volcanism, ore deposition and metamorphism.