Data logging in mining is the automated or semi-automated process of continuously recording operational, environmental, and equipment parameter data over time, creating a historical record that supports performance analysis, troubleshooting, compliance, and process optimization. In bauxite mining, data loggers installed on draglines, excavators, conveyors, and pumping systems record variables such as engine load, fuel consumption, belt speed, and material tonnage on a time-stamped basis throughout each operating shift. Gold processing plants use data logging to maintain continuous records of leach tank temperatures, dissolved oxygen levels, cyanide concentrations, pH values, and carbon loading rates, which are critical for metallurgical audit and process optimization. Iron ore beneficiation plants log data from magnetic separators, flotation cells, thickeners, and filtration systems to enable operators and engineers to reconstruct process events and investigate yield losses or quality deviations. Diamond processing plants use data logging to track the performance of XRT sorters, dense media separators, and tailings disposal systems. Data logging systems typically store information in structured databases or time-series data historians such as OSIsoft PI or similar platforms, which allow engineers to trend data over time, compare shift or campaign performance, and generate automated reports for management and regulatory bodies.