Calcium sulfates in planetary surface environments

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Title:Main Title: Calcium sulfates in planetary surface environments
Description:Abstract: Calcium sulfates play a key role in both industrial processes and the global sulfur cycle. In arid to hyper-arid planetary surface environments, they can be used to assess the availability of water to the environment. Yet, the processes through which calcium sulfate minerals (i.e. gypsum, bassanite, anhydrite) and the anhydrous γ-CaSO4 form and transform remain insufficiently understood. Especially the dissolution-reprecipitation reaction from gypsum to anhydrite has to this date been achieved in the laboratory only under very specific conditions. Recent evidence suggests the importance of solution flow as opposed to batch reactions in aiding the precipitation of anhydrite at room temperature. Our own results, however, clearly show, that solution flow alone cannot be the sole catalyst. In light of the recent abundance of research towards the nucleation and crystallization of calcium sulfates, we present this review in an attempt to summarize and contextualize these new results and to identify necessary directions for further research with focus on conditions of arid and hyper-arid planetary environments.
Responsible Party
Creator:Niklas Wehmann (Author)
Publication Year:2023
CRC1211 Topic:Surface
Related Subproject:C4
Subject:Keyword: Chemistry of Mineral Surfaces
Geogr. Information Topic:Environment
File Details
Data Type:Other - Review Paper
File Size:4.1 MB
Date:Available: 02.10.2023
Mime Type:application/pdf
Data Format:PDF (1.7)
Download Permission:Only Own Subproject
General Access and Use Conditions:According to the CRC1211DB data policy agreement.
Access Limitations:According to the CRC1211DB data policy agreement.
Licence:[Creative Commons] Attribution 4.0 International (CC BY 4.0)
Specific Information - Publication
Publication Status:Accepted
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Global and Planetary Change
Number of Pages:14 (1 - 14)
Metadata Details
Metadata Creator:Niklas Wehmann
Metadata Created:28.11.2023
Metadata Last Updated:28.11.2023
Funding Phase:2
Metadata Language:English
Metadata Version:V50
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