Lloyd Jones has been appointed as a non-executive director.
Laurie Marsland has been appointed as a non-executive director.
Geoff Edwards has resigned as joint company secretary. Tony Bevan remains as company secretary.
Brighton Mining Group
Director Brian John has resigned.
Julian Stephens has been appointed as a non-executive director, following the resignation of Sam Wright, who remains as joint company secretary.
Chief executive officer John McKinstry has been appointed as managing director.
Excalibur Mining Corporation
David Marsh has been appointed as executive director.
Peter Bird has been appointed to the board as a non-executive director and chairman.
Fortescue Metals Group
CEO Neville Power has been appointed as an executive director, following the resignation of non-executive director Ian Cumming.
Terry Butler-Blaxell has assumed the role of executive chairman, following the retirement of Mark McAuliffe.
Chief financial officer and company secretary Andrew Steers has been appointed as acting chief executive officer, following the resignation of managing director Duncan McBain.
Kilgore Oil & Gas
Gordon Sklenka has resigned as a director and chairman.
Company secretary Michael Higginson has been appointed as a director, following the resignations of Ian Middlemas and Mark Pearce.
Mongolian Resource Corporation
Acting CEO Tony Bainbridge has been appointed as managing director and chief executive officer.
Peter Batten has been appointed as a non-executive technical director.
Red Hill Iron
Neil Tomkinson has been appointed executive chairman.
Eric Gutierrez has been appointed as a non-executive director.