The influence of fluid pressure, redox potential and crystal growth characteristics in Mississippi-Valley-Type (MVT) ore formation - lessons from a modern geothermal scale

IF 4.4 2区地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS

Mineralium Deposita Pub Date : 2024-09-25 DOI:10.1007/s00126-024-01314-y

Tobias Kluge, Elisabeth Eiche, Benjamin Walter, Utz Kramar, Jörg Göttlicher, Dominik Gudelius, Johannes Giebel, Jochen Kolb

引用次数: 0

Abstract

MVT-related elements show a specific enrichment pattern in a geothermal scale.

Comparison with fluid parameters suggests pressure reduction and CO₂ degassing as basis for mineral formation and element enrichment.

Exchange processes at the contact surface mineral-fluid and changes in the redox potential allow for element-specific concentration changes.

Methane oxidation and sulfate reduction cause major chemical changes.

Isotope data track the observed chemical variations.

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密西西比河谷型（MVT）矿层中流体压力、氧化还原电位和晶体生长特征的影响--现代地热规模的启示

与流体参数的比较表明，压力降低和二氧化碳脱气是矿物形成和元素富集的基础，矿物-流体接触面的交换过程和氧化还原电位的变化导致元素浓度发生特定变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Mineralium Deposita 地学-地球化学与地球物理

CiteScore

11.00

自引率

6.20%

发文量

审稿时长

6 months

期刊介绍： The journal Mineralium Deposita introduces new observations, principles, and interpretations from the field of economic geology, including nonmetallic mineral deposits, experimental and applied geochemistry, with emphasis on mineral deposits. It offers short and comprehensive articles, review papers, brief original papers, scientific discussions and news, as well as reports on meetings of importance to mineral research. The emphasis is on high-quality content and form for all articles and on international coverage of subject matter.