| Table of contents Min. Geol. vol.38 no.2 Moa Apr.-June 2022 ORIGINAL ARTICLE | | | | · Validation of Au grade estimation models in a sector of the Golden Hill deposit Arias-delToro, José Alberto; Carballo-Peña, Alain; Estévez-Cruz, Elmidio
| | | | · Indicators used as variables in the analysis of efficiency in the nickel mining in Cuba Rodríguez-Mestre, Leonardo; Marrero-Ancízar, Yaimary; Reynaldo-Argüelles, Clara Luz
| | | | · Microstructure behavior in GMAW 2205 duplex steels welding for offshore applications Cruz-Crespo, Amado; Pozo-Morejón, Juan A.; Valencia-Morales, Eduardo; De Souza-Bott, Ivani; Miguel-Oria, Jorge Victor
| | | | · Strategic actions for preserving the natural bridge over The Bitirí River Fernández-Cruz, Sara; Gómez-Iglesias, Rolando R.; Velázquez-Velázquez, Amparo
| | | | · Drinking Water Quality Assessment according to Montoya’s in Yamanigüey town Crespo-Lambert, Marianela; Fernández-Rodríguez, Moraima; Pérez-García, Luis Alberto
| | | TECHNICAL ARTICLE | | | | · Recovery of the buckets of the front loaders of transport in the nickel mining company in Cuba Rubino-de la Cruz, Robin
| | | MINING AND SOCIETY | | | | · The need for an environmental code of ethics to the mining workers in Cuba Santos-Matos, Efraín
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