An overview of the ultrafine problem.- Dissolved-air and electrolytic flotation.- Fine coal cleaning - achievements and possibilities.- Simulation - the design tool for the future.- Emerging automatic control approaches in mineral processing.- Energy usage in mineral processing.- Complex sulphide ores: processing options.- Tin mineralisation in Southwest England.- The development of methods of treating tin ores in Cornwall.- Magnetic separation.- Gravity concentration in modern mineral processing.- Developments in solid-liquid separation.- Strategic minerals - their impact on mineral processing developments.- Appendix List of those attending the NATO Advanced Study Institute at Falmouth, UK 24 March-4 April 1986.