MOSCOW (Reuters) -Russian President Vladimir Putin offered the U.S. the opportunity for joint exploration of the country's rare earth metals deposits, as well as the supply of aluminum to the U.S. domestic market, under a future economic deal.

Russian President Vladimir Putin has offered the United States access to Russia's metals, presenting Moscow as an alternative to Washington's push for Ukraine's resources. If President Donald Trump successfully brokers the agreement to stop the three-year conflict in Ukraine,

Russian President Vladimir Putin moved to undercut U.S.-Ukraine negotiations over a critical minerals-sharing agreement, offering an alternate supply deal for valuable elements such as titanium, lithium and beryllium.