RumorHere is the rumour. It is a paid Aussie site so I don't have all the details.
https://www.theaustralian.com.au/business/dataroom/miner-hires-bank-to-sell-eva-copper-project-in-queensland/news-story/b8853b1af1f74861253b98cda754b1c6
Eva copper mine up for grabs
Canadian miner Copper Mountain is believed to be making moves to sell its Eva Copper Project in Queensland, expected to fetch $300m.