As Australia’s iron ore export earnings decline, copper will rise. What does this mean for BHP shares?

BHP Group Ltd (ASX: BHP) shares are $38.16 on Thursday, up 0.55%.

BHP is one of the world’s biggest mining companies with a diversified asset base that includes iron ore, copper, potash, and coal.

It’s one of the world’s largest iron ore producers and claims the No. 1 spot for copper…