Keith R. LongJ.S. CienerFrancisco Urquidi-BarrauWaldo Avila Salinas2026-03-222026-03-22198910.3133/ofr89526https://doi.org/10.3133/ofr89526https://andeanlibrary.org/handle/123456789/63871enBibliographyResource (disambiguation)Mineral resource classificationMineralGeologyGeochemistryGeographyLibrary sciencearticle