Mark Bristow, chief executive of Barrick Gold Corp., seen after an interview in Cape Town this February. The miner announced Monday that Bristow has left the company. Photo by Dwayne Senior/Bloomberg

Barrick Mining Corp. said Monday that chief executive Mark Bristow has left the company and named chief operating officer Mark Hill as interim CEO.

No reason was given for Bristow’s departure after nearly seven years at the firm.

Earlier this year, he said he would stay on as CEO until Reko Diq, a giant copper and gold mine that Barrick aims to build in a remote part of Pakistan, is operational. That is not expected until 2028.

Bristow, 66, was not available for comment.

Barrick said it has formed a committee and hired an executive search firm to find his replacement.

“The board is

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