Segmented micro-CT images for Adedipe et al., 2026 (Impact of Mineral Spatial Distribution on CO2 Dissolution Rates in Multimineral Carbonate Rocks)

The datasets contain 20 time-resolved segmented X-ray micro-computed tomographic (micro-CT) images showing mineral dissolution of carbonate rock samples containing calcite, dolomite and anhydrite via CO2 acidified brine fluid flow at reservoir conditions. The micro-CT images were acquired at a voxel-resolution of 5.2 µm and time-resolution of 33 minutes. The data were collected with lab based micro-CT, with an aim of investigating the influences of rock mineralogy, physical and chemical heterogeneity on dissolution patterns and changes to dynamic rock properties at the pore-scale. Further details of the experimental methodology can be found in Adedipe et al. (2026). These time-resolved micro-CT images can be used to validate pore-scale multimineral reactive transport models. The study provides key insights into mineral-specific reaction behaviours and flow-dependent dissolution patterns, further evaluating a detailed framework for improving predictive models of subsurface CO2 storage.本数据集包含20幅经分割处理的时间分辨X射线显微计算机断层扫描（micro-CT）图像，展示了储层条件下，含方解石、白云石与硬石膏的碳酸盐岩样品在经CO₂酸化的盐水流体流过时的矿物溶蚀过程。该显微CT图像的体素分辨率为5.2 μm，时间分辨率为33分钟。本数据集采用实验室级显微CT采集所得，旨在探究岩石矿物组成、物理与化学非均质性对孔隙尺度下溶蚀形态及动态岩石物性变化的影响。实验方法的详细细节可参见Adedipe等人（2026）的相关研究。这批时间分辨的显微CT图像可用于验证孔隙尺度多矿物反应输运模型。本研究为矿物专属反应行为及流动相关的溶蚀形态提供了关键认识，并进一步完善了用于提升地下CO₂封存预测模型准确性的完整框架。