Geochemistry of Metals from Mine Tailings in Taxco, Mexico

Armienta, M.A.; Talavera, O.; Morton, O.; Barrera, María del Carmen Torres

doi:10.1007/s00128-003-0176-0

Cited by 33 publications

(30 citation statements)

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“…Studies by Flores-Mundo (2002), Armienta et al, (2003) and Talavera Mendoza et al, (2005) indicate that the oxidation of tailings and subsequent neutralization via calcite and Fe-oxyhydroxides produce near-neutral leachates with appreciable amounts of As as well as Fe, Zn, Cd and Mn. Mineralogical characterization shows that the major primary phases are dominated by quartz with minor amounts of feldspars and ferromagnesian minerals.…”

Section: Economic Geology and Description Of The El Fraile Tailingsmentioning

confidence: 98%

“…As a result of this activity, knowledge of the geochemistry and quality of these leachates has become an important issue in the area. There are as yet no reported studies on the leachates in Taxco, although a limited number of recent studies on the environmental impact of mine wastes in nearby areas have been carried out (Flores-Mundo 2002;Armienta et al, 2003Armienta et al, , 2004Talavera Mendoza et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

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Geochemistry of leachates from the El Fraile sulfide tailings piles in Taxco, Guerrero, southern Mexico

Talavera-Mendoza

Armienta

Abundis

et al. 2006

Environ Geochem Health

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Leachates from the El Fraile tailings impoundment (Taxco, Mexico) were monitored every 2 months from October 2001 to August 2002 to assess the geochemical characteristics. These leachates are of interest because they are sometimes used as alternative sources of domestic water. Alternatively, they drain into the Cacalotenango creek and may represent a major source of metal contamination of surface water and sediments. Most El Fraile leachates show characteristics of Ca-SO(4), (Ca+Mg)-SO(4), Mg-SO(4 )and Ca-(SO(4)+HCO(3)) water types and are near-neutral (pH=6.3-7.7). Some acid leachates are generated by the interaction of meteoric water with tailings during rainfall events (pH=2.4-2.5). These contain variable levels of SO(4) (2-) (280-29,500 mg l(-1)) and As (<0.01-12.0 mg l(-1)) as well as Fe (0.025-2,352 mg l(-1)), Mn (0.1-732 mg l(-1)), Zn (<0.025-1465 mg l(-1)) and Pb (<0.01-0.351 mg l(-1)). Most samples show the highest metal enrichment during the dry seasons. Leachates used as domestic water typically exceed the Mexican Drinking Water Guidelines for sulfate, hardness, Fe, Mn, Pb and As, while acidic leachates exceed the Mexican Guidelines for Industrial Discharge Waters for pH, Cu, Cd and As. Speciation shows that in near-neutral solutions, metals exist mainly as free ions, sulfates and bicarbonates, while in acidic leachates they are present as sulfates and free ions. Arsenic appears as As((V)) in all samples. Thermodynamic and mineralogical evidence indicates that precipitation of Fe oxides and oxyhydroxides, clay minerals and jarosite as well as sorption by these minerals are the main processes controlling leachate chemistry. These processes occur mainly after neutralization by interaction with bedrock and equilibration with atmospheric oxygen.

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Section: Economic Geology and Description Of The El Fraile Tailingsmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Geochemistry of leachates from the El Fraile sulfide tailings piles in Taxco, Guerrero, southern Mexico

Talavera-Mendoza

Armienta

Abundis

et al. 2006

Environ Geochem Health

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“…The study area has a mining tradition that dates back to the Colonial era (XV century), from which waste materials have been accumulating in mine tailings impoundments. The tailings were placed for a long time on the banks of rivers and in areas that over the years have been surrounded by human settlements (Armienta et al 2003). The mineralization for mining purposes appears mainly in hydrothermal veins, spare minerals and stockworks housed in limestone, slate and shale.…”

Section: Study Area and Sample Collectionmentioning

confidence: 99%

ASSESSMENT OF A SIMPLE EXTRACTION METHOD TO DETERMINE THE BIOACCESSIBILITY OF POTENTIALLY TOXIC Tl, As, Pb, Cu, Zn AND Cd IN SOILS CONTAMINATED BY MINING-METALLURGICAL WASTE

Cruz-Hernández

Santana-Silva

Villalobos

et al. 2019

Rev. Int. Contam. Amb.

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The potential to determine the gastric bioaccessibility (BA) of Tl, As, Pb(II), Cu(II), Zn(II) and Cd(II) using a simple extraction method was evaluated in selected samples from soils contaminated by mining and metallurgical wastes. The SBRC (Solubility and Bioavailability Research Consortium) test was used as a gastric BA comparative method versus a simple extraction method using HCl solution at pH 1.5. High correlations (r ≥ 0.98, p ˂ 0.01) were obtained between the two extraction methods for Cd(II), Cu(II), Tl and Zn(II), in all samples investigated. Bioaccessible As, however, only showed a high correlation in the metallurgical area (r = 0.99, p ˂ 0.01), but not in the mining area (r = 0.88, p ˂ 0.01). Conversely, Pb(II) showed a better correlation in samples from the mining area (r = 0.99, p ˂ 0.01) than in those of the metallurgical area (r = 0.92, p ˂ 0.01). Three experimental conditions of the extraction procedures ensured the high correlations observed: (1) Maintaining a strict pH control of 1.5 (± 0.1), (2) a stirring time of 1 h (± 1 min), and (3) filtration of the extraction mixture through a membrane of small pore size (0.05 µm). Bioaccessible Tl was detected in all samples, a fact that has not been reported before in these environments, and alerts to potential health risks not previously identified.

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“…Los datos fueron agrupados por estación de muestreo y a su vez fueron separados en subgrupos, en relación con su posición estratigráfica: basal, intermedia o cima. Para su correlación, también se han graficado algunos datos promedio de otros distritos mineros del país: Guanajuato (Ramos- Arroyo et al, 2004), Taxco (Talavera et al, 2005;Armienta et al 2003), Zimapán (Armienta y Segovia, 2008) y Santa Bárbara (Martín-Romero et al, 2008). En principio es interesante notar que, cuando los valores de SiO 2 son >65 %, se observa una relativa tendencia lineal con el aluminio, el hierro y el calcio.…”

Section: Geoquímica De Los Jales Del Dimitounclassified

Geoquímica y mineralogía de los jales del distrito minero Tlalpujahua-El Oro, México, y sus implicaciones de impacto ambiental

et al. 2017

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RESUMENLos depósitos de jales del distrito minero de Tlalpujahua y El Oro (DIMITO) fueron apilados sobre laderas y cañadas con un sistema de drenaje activo y cubriendo un basamento constituido por calizas carbonosas y lutitas ± andesitas que constituyen la roca encajonante de las vetas auríferas de tipo epitermal. Su morfología actual muestra profundos canales y cárcavas de erosión y se ha estimado una pérdida de material >27-34 % de su volumen original. Se presentan los resultados de un estudio cartográfico de cinco depósitos de jales que fueron abandonados hace ~68 años, así como la caracterización mineralógica y geoquímica de 12 perfiles y 48 muestras representativas. Los jales están constituidos, en general, por una matriz limo-arenosa calcárea que contiene abundantes clastos líticos. Su pH es ligeramente alcalino de 7.5 a 8.5 y muestran una baja conductividad eléctrica <80 µS/cm. Están conformados por fragmentos de cuarzo (≥ 53-68 %), seguido de líticos (7-20 %), calcita (≥12 %), silicatos (9-11 %), FeTi-óxidos (≥2-3 %) y sulfuros y sulfosales (≤2 %). Su composición química varía de SiO 2 (56-92 %), Al 2 O 3 (>5-13 %), CaO+MgO (≥5-11 %), Fe tot (≤3-5 %), S total (0.3-0.91 %) y C total (3.4-6.1 %). Los jales presentan concentraciones promedio de elementos potencialmente económicos: Au (1.2-1.61 g/ton), Ag (28.1-46.8 g/ton), Pb (53.3-145.2 g/ton) y Zn (155.9-354.5 g/ton), que podrían tener un cierto rendimiento económico. En relación con las concentraciones de los elementos potencialmente tóxicos, los valores del Sb (43.9-72.2 g/ ton) superan ampliamente el LMP de alto riesgo (WHO, 2015) y una docena de muestras de Pb y Zn y de As (25.2-40.5 g/ton) muestran valores más altos a los del LMP de bajo riesgo. Sin embargo, éstos valores se observan dispersos y aleatorios en cada perfil, por lo que se discute su potencial tóxico con base en su correlación geoquímico-mineralógica y su potencial movilidad. Con el objetivo de estimar el balance ácido-base en los jales del DIMITO, se realizó un modelo matemático de normalización (reducción de Gauss) de los elementos mayores y su relación con los minerales normativos y su potencial tóxico. Se encontró que la mineralogía representa un potente indicador en el análisis de residuos mineros y su potencial tóxico, así como en general que los jales mostraron un bajo riesgo en la generación de drenaje ácido de mina. Sin embargo, se discuten el uso y manejo de la cobertura natural y su relación con los residuos y obras mineras del DIMITO.Palabras clave: geoquímica; mineralogía; jales; drenaje ácido; distrito minero Tlalpujahua y El Oro; México. (53)(54)(55)(56)(57)(58)(59)(60)(61)(62)(63)(64)(65)(66)(67)(68) calcite (≥12 %), . , , and , suggesting that they could still have some economic recovering. In relation to the concentrations of the potentially toxic elements, the values of significantly exceed high risk of the LMP (WHO, 2015), and a dozen samples of ABSTRACT The tailing dumps of the mining district of Tlalpujahua and El

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Geochemistry of Metals from Mine Tailings in Taxco, Mexico

Cited by 33 publications

References 0 publications

Geochemistry of leachates from the El Fraile sulfide tailings piles in Taxco, Guerrero, southern Mexico

Geochemistry of leachates from the El Fraile sulfide tailings piles in Taxco, Guerrero, southern Mexico

ASSESSMENT OF A SIMPLE EXTRACTION METHOD TO DETERMINE THE BIOACCESSIBILITY OF POTENTIALLY TOXIC Tl, As, Pb, Cu, Zn AND Cd IN SOILS CONTAMINATED BY MINING-METALLURGICAL WASTE

Geoquímica y mineralogía de los jales del distrito minero Tlalpujahua-El Oro, México, y sus implicaciones de impacto ambiental

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