What is the fine-grained topic of the following text: Under terms of Monday's agreement, Newmont, the world's second biggest gold producer, can earn up to an 80% share in the Plateau property – described as a "newly discovered gold system consisting of more than 2,000 claims covering 350 square kilometres," through up to $39.5 million in exploration spending, including a feasibility study by 2027. Only return the topic.
Newmont's agreement to earn a share in the Plateau property through exploration spending