The Gibellini vanadium project, in Nevada, the Manitoba-based Minago nickel project and certain battery metals royalties will be stand-alone companies.
The Brazilian constitution permits the extraction of raw materials from the reserves but a lack of regulation has resulted in widespread wildcat mining across the region.
Venezuelan opposition leader Juan Guaido says the EU should use a label to limit the trade of Venezuelan gold, the way the "blood diamond" campaign of the 1990s targeted diamond sales in Africa.