Diagenesis and Geochemistry of Carbonates

Dear Colleagues,

Sedimentary marine carbonates are one of the targets most favored by geologists, mainly due to their significance in recording the primary signals for paleoclimate modeling, as well as in hosting petroleum, geothermal, and mineral resources.  

Diagenesis is the process that describes the physical and chemical changes in sediments caused by water–rock–microbial–organic interactions and mechanical compaction after deposition in the Earth’s crust. The diagenesis of carbonates may have resulted in the cycling of important geochemical elements and their isotopes (e.g., C, O, S, U, Mg, Ca), which significantly altered their promises in paleoclimate reconstruction. In addition, the alteration of diagenesis would have great impacts on petrophysical parameters (e.g., porosity, permeability, and pore connections), leading to heterogeneity in the carbonate reservoir.

The developments of novel geochemical analysis methods, including high-spatial and mass-resolution microprobes (e.g., LA-ICP-MS, SIMS), clumped isotopes, and micro-CT, have allowed for the measurement of carbonate component-dependant in situ U–Pb dating, the temperature, and the microporosity and the pore structure.

This Special Issue of Minerals aims to contribute to the disclosure of all the applications of traditional and novel methods to decipher the processes of diagenesis in carbonates, as well as their effects on primary geochemical signals and carbonate reservoir development in the deep subsurface.

Dr. Lei Jiang
Dr. Ardiansyah Koeshidayatullah
Guest Editors

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