This RiMG volume includes contributions that review experimental, characterization, and modeling advances in our understanding of pore-scale geochemical processes.

• Table of Contents
• 1. Transient Porosity Resulting from Fluid–Mineral Interaction and its Consequences
• 2. Pore-Scale Controls on Reaction-Driven Fracturing
• 3. Effects of Coupled Chemo-Mechanical Processes on the Evolution of Pore-Size Distributions in Geological Media
• 4. Characterization and Analysis of Porosity and Pore Structures
• 5. Precipitation in Pores: A Geochemical Frontier
• 6. Pore-Scale Process Coupling and Effective Surface Reaction Rates in Heterogeneous Subsurface Materials
• 7. Micro-Continuum Approaches for Modeling Pore-Scale Geochemical Processes
• 8. Resolving Time-dependent Evolution of Pore-Scale Structure, Permeability and Reactivity using X-ray Microtomography
• 9. Ionic Transport in Nano-Porous Clays with Consideration of Electrostatic Effects
• 10. How Porosity Increases During Incipient Weathering of Crystalline Silicate Rocks
• 11. Isotopic Gradients Across Fluid–Mineral Boundaries
• 12. Lattice Boltzmann-Based Approaches for Pore-Scale Reactive Transport
• 13. Mesoscale and Hybrid Models of Fluid Flow and Solute Transport
• 14. Reactive Interfaces in Direct Numerical Simulation of Pore-Scale Processes