Mud volcanoes in northwestern Colombia are used by local people as inexpensive recreation and wellness centres, especially for pelotherapy. However, the potential therapeutic value of the muds and thermal waters released by these volcanoes has not been fully investigated. The main objective of this research is to determine the potential therapeutic value of the solid and liquid fractions of the muds sampled from nine mud volcanoes located along the northwestern Caribbean coast of Colombia through geochemical and mineralogical analysis. An evaluation of the granulometric characteristics was also ...