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Calibration of portable X-ray fluorescence equipment for the geochemical analysis of carbonate matrices
ArticleAbstract: A methodology was developed for the calibration of carbonate matrices using portable X-ray fluorescePalabras claves:Carbonate sediments, Major and trace elements, pXRF calibration procedure, pXRF resolution, Yucatan continental shelfAutores:Árcega-Cabrera F., Arenas-Islas D., Huerta-Diaz M.A., Mejia-Piña K.G., Norzagaray-López C.O., Valdivieso-Ojeda J.A., Xosé Luis Otero PérezFuentes:scopusArchaeal diversity and the extent of iron and manganese pyritization in sediments from a tropical mangrove creek (Cardoso Island, Brazil)
ArticleAbstract: Even though several studies on the geochemical processes occurring in mangrove soils and sediments hPalabras claves:Anaerobic methane oxidation, Archaea, Mangrove, Overpyritization of ironAutores:Ferreira T.O., Huerta-Diaz M.A., Lambais M.R., Lucheta A.R., Xosé Luis Otero PérezFuentes:scopusGeochemical footprint of dredged material discharges and sediment health status in Todos Santos Bay, Mexico
ArticleAbstract: Total Al, Fe, Mn, Cu, Zn, Pb and organic carbon concentrations in Todos Santos Bay (TSB) surficial sPalabras claves:enrichment factor, Geochemical indices, Heavy Metals, Pristine environments, Spatio-temporal change, Toxic trace metalsAutores:Arreguín-Rodríguez G.J., Chavez-Jimenez M., Fernández-Díaz V.Z., Huerta-Diaz M.A., Mejia-Piña K.G., Valdivieso-Ojeda J.A., Xosé Luis Otero PérezFuentes:scopusGeochemistry of iron and manganese in soils and sediments of a mangrove system, Island of Pai Matos (Cananeia - SP, Brazil)
ArticleAbstract: Five zones along a transect of 180 m were selected for study on the Island of Pai Matos (Sao Paulo,Palabras claves:geochemistry, Iron, manganese, Mangrove soils, Mangrove vegetation, nontronite, pyriteAutores:Ferreira T.O., Huerta-Diaz M.A., Partiti C.S.M., Souza-Junior V.S., Vázquez F.M., Vidal-Torrado P., Xosé Luis Otero PérezFuentes:scopusGlobal deposition of potentially toxic metals via faecal material in seabird colonies
ArticleAbstract: Seabirds are known to play an important role in the geochemical cycling of macronutrients; however,Palabras claves:Autores:De la Peña-Lastra S., Ferreira T.O., Huerta-Diaz M.A., Pérez‐alberti A., Xosé Luis Otero PérezFuentes:scopusHeavy metal geochemistry of saltmarsh soils from the Ria of Ortigueira (mafic and ultramafic areas, NW Iberian Peninsula)
ArticleAbstract: Concentrations of Fe, Mn, Ni, Cu, Cr and Zn in their total, silicate, organic, reactive and pyrite fPalabras claves:geochemistry, Heavy Metals, Saltmarsh soils, Ultramafic rocksAutores:Huerta-Diaz M.A., Vázquez F.M., Xosé Luis Otero PérezFuentes:scopusHigh variability in geochemical partitioning of iron, manganese and harmful trace metals in sediments of the mining port of Santa Rosalia, Baja California Sur, Mexico
ArticleAbstract: Total trace metal concentrations and the HCl-soluble (MeHCl) and pyrite (Mepyr) fractions were evaluPalabras claves:Degree of trace metal pyritization, enrichment factor, pyrite, Santa Rosalia, sediment, Trace metalAutores:Amaro-Franco E.C., Huerta-Diaz M.A., Muñoz-Barbosa A., Valdivieso-Ojeda J.A., Xosé Luis Otero PérezFuentes:scopusInfluence of a turbidite deposit on the extent of pyritization of iron, manganese and trace metals in sediments from the Guaymas Basin, Gulf of California (Mexico)
ArticleAbstract: A core collected in the Guaymas Basin contained an organic-poor, Mn oxide-rich and (relatively) Fe oPalabras claves:Autores:Huerta-Diaz M.A., Vázquez F.M., Xosé Luis Otero PérezFuentes:scopusIron and Trace Metals in Microbial Mats and Underlying Sediments: Results From Guerrero Negro Saltern, Baja California Sur, Mexico
ArticleAbstract: Total trace metals (Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn), Al, and pyrite- and reactive-associated metalsPalabras claves:AVS, C/S ratios, Microbial mats, pyrite, Reactive iron, trace metalsAutores:Amaro-Franco E.C., Delgadillo-Hinojosa F., Galindo-Bect M., Hernandez-Ayon J., Huerta-Diaz M.A., Segovia-Zavala J., Xosé Luis Otero PérezFuentes:scopusSand as a relevant fraction in geochemical studies in intertidal environments
ArticleAbstract: Soil and sediment samples from several intertidal environment exposed to different types of contaminPalabras claves:Grain size effect, Sand fraction, Sediments, soil, Trace metalAutores:De la Peña-Lastra S., Ferreira T.O., Huerta-Diaz M.A., Xosé Luis Otero PérezFuentes:scopus