US President Donald Trump's fragile mineral alliance plan is facing a cost surge due to an oil-supply shock caused by the US-Israel conflict with Iran.

An oil-supply shock caused by the US-Israel conflict with Iran is complicating US President Donald Trump’s already fragile mineral-alliance strategy, analysts said, given the acute vulnerability of energy-intensive rare earth refining and critical metal supply chains to such disruption. Oil and gas are essential for the critical mineral industry, according to analysts. Hydrometallurgical extraction for rare earth elements and other metals, such as nickel and cobalt, relies on a suite of chemical...