Former FMG principal process engineer Gavin Fletcher will be an executive director, and former FMG head of mining John Blanning will be a consultant.

Both previously worked for AIM-listed African Minerals and their company will subscribe for up to $A1 million to help fund Ragged Rock.

Ben Donovan has been appointed as company secretary.

Former ANZ Bank executive and current Gindalbie Metals director Michael O’Neill has joined the board of Gryphon Minerals.

The company’s financial controller Paul Hegarty has been appointed as company secretary, taking over from Alex Eastwood, who will continue as general counsel.

UraniumSA has announced the resignation of its founding managing director Russel Bluck, who will remain on the board.

Executive director David Paterson will be acting chief executive officer while a search is underway.

Stephen Turner has been appointed as CEO of South American Ferro Metals, replacing Philip Hopkins.

Turner is a founding director of the company and is founder and deputy chairman of London-listed ferrochrome producer International Ferro Metals.

Torian Resources has announced a board restructure.

Mandalong Resources directors Nathan Taylor and Sunil Dhupelia have joined the board, with Taylor as chairman.

Former chairman Peter Ashcroft will continue as a non-executive director, while Mark Cashmore has resigned.

Ishine International Resources has appointed Chuanshui (Frank) Yin as CEO.

Founding Paringa Resources director Jonathan King has stepped down from the board for personal reasons.

Finally, Excalibur Mining Corporation company secretary Mark Smith has joined the board of the company, while Jeremy Niemi has resigned.