White Rock Minerals and AuStar Gold step closer to executing merger after first Federal Court hearing If investors approve White Rock and AuStar’s proposed merger, both companies could formally join forces towards the end of August. White Rock Minerals and AuStar Gold shareholders will vote on a proposed merger late next month. This decision was made on June 22, with the scheme booklet being a key resource for shareholders who want to learn more about the proposed merger. AuStar shareholders can now have their say on the merger at a share scheme meeting on July 30, where they can vote on the share and option schemes that make up the proposed union.