In April 2025, Star Minerals signed an MoU for mine development and mining with mining entity MEGA Resources. The MoU covers collaboration on the mining approvals process and feasibility study inputs, as Star Minerals progresses the studies for the approvals process. The MOU also covers discussions on working capital inputs and profit share.
In September 2025, Star Minerals submitted its mining proposal application for the Tumblegum South Gold Project.
Recent drilling results for the project have included outstanding down hole intercepts from the close spacing infill drilling and a shallow intersection in a hole 120m west of the main area, showing the potential for a pit extension which could increase the current resource.
Best results included: