The Mineral Alteration Patterns under High- to Low-Temperature in Geothermal Fields, Volume II
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Geochemistry and Geochronology".
Deadline for manuscript submissions: closed (21 October 2022) | Viewed by 225
Special Issue Editors
Interests: petrology; geochemistry; geochronology; mineral chemistry; hydrothermal alteration; very low-grade metamorphism; geothermal systems
Special Issues, Collections and Topics in MDPI journals
Interests: hydrothermal alteration; geothermal systems; clay minerals; heat–fluid–rock interactions
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The mineral alteration patterns under high- to low-temperature conditions in active and fossil geothermal fields provide challenging topics that aim to understand heat–fluid–rock interaction processes. Geothermal systems allow us to understand and quantify heat–fluid–rock interactions in different geotectonic settings. Most, if not all, of these processes occur under thermodynamic conditions out of equilibrium, involving, among other geological processes, mineral dissolution, precipitation, recrystallisation and chemical transfer. Moreover, all these geological processes occur in a short time span—only several thousand years—with strong structural control, dominated by permeability differences between various affected geological units.
Under this scenario, mineral crystal chemistry in these high- to low-temperature systems is useful for constraining P-T-t-X conditions of these heat–fluid–rock processes. Remarkable advances have been made concerning diagenetic conditions and reaction progress in clay minerals. However, results obtained for sedimentary basins cannot be directly applied to geothermal systems due to different dynamics. Therefore, contradictory results have been observed in detailed clay mineralogical studies carried out in active geothermal systems.
Contrastingly, the improvement of accuracy and resolution of advanced analytical techniques offered a new vision of how hot fluid interacts with rocks and how hydrothermal alteration mineralogy in high- to low-geothermal systems is formed.
Important and exciting advanced contributions of high- to low-temperature hydrothermal mineralogy in geothermal systems are expected by publishing this Special Issue with contributions from a broad field audience.
Prof. Dr. Diego Morata
Prof. Dr. Patricia Patrier-Mas
Guest Editors
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Keywords
- clay minerals
- reaction progress
- mineral chemistry
- active geothermal systems
- geochronological dating
- fluid-flow-fractures
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