sydneyaustralian miner igo will record a noncash impairment of up to 980 million australian dollars us6699 million against assets acquired in last years takeover of nickel company western areas igo on monday said it would record the a880 milliona980 million impairment against the cosmos and forrestania assets in its results for fiscal 2023 which ended on june 30 it has also engaged an independent review of the cosmos operation in western australia capital and operatingcost escalation and unforeseen operational challenges have impacted the value of the project said acting igo chief executive matt dusci who added the cosmos project remained important to the company the asxlisted miner said it would provide further detail on july 31 when it announces its fourthquarter results it expects the review to complete in the december quarter