Fluid Inclusion Studies in the Hydrothermal Diamond Anvil Cell

9725248博德纳尔拟议研究的目标是开发用于加压流体包裹体阶段的热液金刚石砧腔。然后，HDAC将与合成流体包裹体技术结合使用，以获得具有重要地质意义的H2O-CO2-NaC l体系的PVTX数据，其温度和压力范围超出了通常用于确定流体PVTX性质的常规实验技术所能达到的范围。一份试验性研究文件的结果表明，使用HDAC作为加压流体包裹体阶段的可行性，通过在HDAC中的高静水静压围压下加热含盐气体包裹体来防止此类包裹体的非弹性体积变化。在这项研究中，HDAC将被用作加压流体包裹体阶段，以确定H2O-CO2溶剂的P-T位置和压力高达约7-9kbar时的等温线斜率。这项研究还将制定一项最有效地使用HDAC作为加压流体包裹体阶段的方案，用于研究目前无法在传统的单大气加热阶段研究的天然流体包裹体。

9725248 Bodnar The objective of the proposed research is to develop the hydrothermal diamond anvil cell (HDAC) for use as a pressurized fluid inclusion stage. The HDAC will then be used in conjunction with the synthetic fluid inclusion technique to obtain PVTX data for geologically-important system H2O-CO2 NaCl at temperatures and pressures beyond the range accessible with conventional experimental techniques normally used to determine PVTX properties of fluids. Results of a pilot study document the feasibility of using the HDAC as a pressurized fluid inclusion stage to prevent non-elastic volume changes for such inclusion by heating the gas salt-bearing inclusions under a high hydrostatic confining pressure in the HDAC. In this study, the HDAC will be used as a pressurized fluid inclusion stage to determine the P-T location of the H2O-CO2solvus and the slopes of isochores at pressures up to approximately 7-9 kbar. The research will also result in the development of a protocol for the most efficient use of the HDAC as a pressurized fluid inclusion stage for the study of natural fluid inclusions that currently cannot be studied in the conventional one-atmosphere heating stage.