Resouro Strategic Metals (ASX:RAU) said that its Chief Executive Alistair Stephens resigned, effective immediately, and Christopher Eager, the current Executive Chairman, will assume the role of CEO, according to a Tuesday Australian bourse filing.

The firm began a process to appoint a Chairman, the filing said.

It added that metallurgical test work at the Tiros titanium-rare earth elements project was underway to advance and validate a flowsheet for the integrated recovery of titanium oxide and mixed rare earth carbonate.

It also began the development of the Campos Altos critical minerals park to establish a logistics hub and an integrated downstream ecosystem for further processing.