New pressures are forcing a rethink of a model long-defined by scale and efficiency.
The company is working with NeoRe to progress validation and technical definition under an earn-in programme.
The acquisition gives A2Gold complete ownership of the district-scale project covering roughly 117km² of mineral claims.
RC drilling of 27 holes over 1,803m revealed notable concentrations of tungsten oxide.
The investment will enhance domestic processing and refining of critical materials.
Situated in Saskatchewan's Athabasca Basin, the Rook I project was developed in partnership with local indigenous communities.