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A numerical model for the quantification of fluid inclusion property variations caused by heterogeneous entrapment and post-entrapment modifications in the H2O-NaCl system
Chemical Geology ( IF 3.6 ) Pub Date : 2024-05-28 , DOI: 10.1016/j.chemgeo.2024.122190
Wei Mao , Thomas Ulrich , Hong Zhong

The primary geological conditions for hydrothermal systems can be reconstructed using fluid inclusions, which generally requires that fluid inclusions trapped a single homogeneous phase and experienced no mass and volume changes after entrapment (Roedder's Rules). However, heterogeneous entrapment and post-entrapment modifications have been frequently identified in fluid inclusion studies, making the recovery of primary fluid properties from fluid inclusion data challenging or impossible. In this study, we constructed a specific tool, FlincPro, for the calculations of ideal and nonideal uid lusion perties in the HO-NaCl system (ideal here refers to fluid inclusions that adhere to Roedder's Rules). Multiple modules have been developed to quantify the variations of fluid inclusion properties caused by heterogeneous entrapment, volume contraction/expansion, and water loss. The developed software illustrates possibilities in the variation of fluid inclusions in a specific assemblage with the input of a certain starting point.

中文翻译:


用于量化 H2O-NaCl 系统中非均相捕获和捕获后修饰引起的流体包裹体性质变化的数值模型



热液系统的主要地质条件可以使用流体包裹体来重建,这通常要求流体包裹体捕获单一均质相并且捕获后不经历质量和体积变化(罗德规则)。然而,在流体包裹体研究中经常发现异质包裹体和包裹体后的修饰,使得从流体包裹体数据中恢复主要流体特性具有挑战性或不可能。在这项研究中,我们构建了一个特定的工具 FlincPro,用于计算 H2O-NaCl 系统中的理想和非理想流体溶解特性(这里的理想是指符合 Roedder 规则的流体包裹体)。已经开发了多个模块来量化由异质截留、体积收缩/膨胀和失水引起的流体包裹体特性的变化。开发的软件说明了特定组合中流体包裹体随着特定起点的输入而变化的可能性。
更新日期:2024-05-28
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