This study, conducted by the Sustainable Minerals Institute - SMI - as part of the Queensland Government New Economy Minerals Initiative - NEMI - reviews the key geological components of the tin-tungsten deposit process model, with reference to the geological settings of Queensland, and sets out areas considered as prospective for discovery of further Sn-W resources. Queensland hosts one world-class district, in northeast Queensland, two districts of significant tin occurrences, the Texas Province and the Croydon district, and numerous other locations with potential for mineralisation based on the presence of amenable felsic igneous magmatism and regional geochemical indicators