Болонин Александр Васильевич, Мызников Игорь Константинович and Нигматуллина Алла Михайловна 2023. High-grade iron ores in the laterite weathering crust after the banded iron formation in the Simandou mountain range, Republic of Guinea. Ores and Metals (Rudy i metally) . 31, 2 (Jul. 2023). DOI:https://doi.org/10.47765/0869-5997-2023-10008.