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The influence of fluid pressure, redox potential and crystal growth characteristics in Mississippi-Valley-Type (MVT) ore formation - lessons from a modern geothermal scale
Mineralium Deposita ( IF 4.4 ) 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

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.



中文翻译:


流体压力、氧化还原电位和晶体生长特性对密西西比河谷型 (MVT) 矿石形成的影响 - 现代地热规模的教训



MVT 相关元素在地热尺度上表现出特定的富集模式。


与流体参数的比较表明压力降低和CO 2脱气是矿物形成和元素富集的基础。


接触表面矿物液的交换过程和氧化还原电位的变化允许元素特定的浓度变化。


甲烷氧化和硫酸盐还原引起重大化学变化。


同位素数据跟踪观察到的化学变化。

更新日期:2024-09-25
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