Pedra Branca is located in the southern part of the Carajás in the state of Pará in the North of Brazil. (Image courtesy of Oz Minerals.) Gold Royalty (NYSE-A: GROY) has agreed to buy an existing royalty on the Pedra Branca mine held by BlackRock World Mining Trust for $70 million cash. The copper-gold mine, located in the Carajás region of Brazil, is currently operated by BHP Group (ASX: BHP).The acquisition further enhances Gold Royalty’s already-strong gold exposure from both a revenue and asset value pe ...