Australia-based midtier miner OceanaGold has struck an earn-in deal in Nevada, in the US, with American Pacific Mining (APM), in terms of which it could hold a controlling interest in the Tuscarora project. OceanaGold will earn a 51% stake by spending $4-million over the next four years, and will have an option to earn an additional 24% by investing $6-million over another four years.