Contribution of mine wastes to atmospheric metal deposition in the surrounding area of an abandoned heavily polluted mining district (Rio Tinto mines, Spain)

2013 ◽  
Vol 449 ◽  
pp. 363-372 ◽  
Author(s):  
Sonia Castillo ◽  
Jesús D. de la Rosa ◽  
Ana M. Sánchez de la Campa ◽  
Yolanda González-Castanedo ◽  
Juan C. Fernández-Caliani ◽  
...  
Keyword(s):  
Metal Deposition ◽  
Mining District ◽  
Mine Wastes ◽  
Surrounding Area ◽  
Rio Tinto ◽  
Río Tinto

scholarly journals Mineralogy of atmospheric dust impacting the Rio Tinto mining area (Spain) during episodes of high metal deposition

2013 ◽  
Vol 77 (6) ◽  
pp. 2793-2810 ◽  
Author(s):  
J. C. Fernández-Caliani ◽  
J. D. de la Rosa ◽  
A. M. Sánchez de la Campa ◽  
Y. González-Castanedo ◽  
S. Castillo
Keyword(s):  
Mining Area ◽  
Metal Deposition ◽  
Heavy Minerals ◽  
Dust Particles ◽  
Local Source ◽  
Mining District ◽  
Additional Contribution ◽  
Environmental Implications ◽  
Rio Tinto ◽  
Río Tinto

AbstractThis study is the first to investigate the mineral composition of the atmospheric particulate matter deposited at Rio Tinto, Spain, an historical mining district of world-class importance, with emphasis on metal-bearing particles and their environmental implications. The dustfall is composed of quartz, feldspars, phyllosilicates (mica, chlorite and/or kaolinite) and a variety of accessory heavy minerals, the most common being primary sulfides (pyrite, chalcopyrite with minor galena, sphalerite and bornite) and their oxidation products (notably goethite, hematite and jarosite). This mineral assemblage suggests a local source of wind-blown dust and it is consistent with the large deposition levels of sulfide-related elements (As, Bi, Cd, Cu, Pb, Sb and Zn) registered at the sampling site adjacent to the mine waste dumps. However, the generation of potentially harmful dust particles is not restricted to mine wastes. Anthropogenic metallic compounds arising from a nearby hazardous waste disposal centre can make a relevant additional contribution to the metal deposition, particularly for Fe, Ni, Cr and Mn. Atmospheric fallout is a major mechanism for metal input to soils and plants around or near the mining area.

Geoelectrical observations at the mining dumps of the Peña de Hierro copper mine in the Rio Tinto mining district / Spain

2007 ◽  
Author(s):  
Christoph Grissemann* ◽  
Markus Furche ◽  
Ursula Noell ◽  
Dieter Rammlmair ◽  
Thomas Günther ◽  
...  
Keyword(s):  
Mining District ◽  
Copper Mine ◽  
Rio Tinto ◽  
Río Tinto

Geoelectrical observations at the mining dumps of the Peña de Hierro copper mine in the Rio Tinto mining district / Spain

2007 ◽  
Author(s):  
Christoph Grissemann ◽  
Markus Furche ◽  
Ursula Noell ◽  
Dieter Rammlmair ◽  
Thomas Günther ◽  
...  
Keyword(s):  
Mining District ◽  
Copper Mine ◽  
Rio Tinto ◽  
Río Tinto

Spectroscopic Raman study of sulphate precipitation sequence in Rio Tinto mining district (SW Spain)

2013 ◽  
Vol 21 (11) ◽  
pp. 6783-6792 ◽  
Author(s):  
Fernando Rull ◽  
Julia Guerrero ◽  
Gloria Venegas ◽  
Fernando Gázquez ◽  
Jesús Medina
Keyword(s):  
Mining District ◽  
Precipitation Sequence ◽  
Sw Spain ◽  
Rio Tinto ◽  
Raman Study ◽  
Río Tinto

Impact of abandoned mine waste on atmospheric respirable particulate matter in the historic mining district of Rio Tinto (Iberian Pyrite Belt)

2011 ◽  
Vol 111 (8) ◽  
pp. 1018-1023 ◽  
Author(s):  
Ana M. Sánchez de la Campa ◽  
Jesús D. de la Rosa ◽  
Juan C. Fernández-Caliani ◽  
Yolanda González-Castanedo
Keyword(s):  
Particulate Matter ◽  
Mine Waste ◽  
Iberian Pyrite Belt ◽  
Abandoned Mine ◽  
Mining District ◽  
Rio Tinto ◽  
Historic Mining ◽  
Respirable Particulate ◽  
Río Tinto

RIO TINTO ALLOY 242.2

Alloy Digest ◽  
2020 ◽  
Vol 69 (4) ◽  
Keyword(s):  
Corrosion Resistance ◽  
Shear Strength ◽  
Physical Properties ◽  
Elevated Temperatures ◽  
High Strength ◽  
Casting Alloy ◽  
Permanent Mold ◽  
Rio Tinto ◽  
Permanent Mold Castings ◽  
Río Tinto

Abstract Rio Tinto Alloy 242.2 is a heat-treatable, aluminum-copper-magnesium-nickel casting alloy. It is available in the form of ingots to be remelted for the manufacture of sand and permanent mold castings. Alloy 242.0 is used extensively for applications requiring high strength and hardness at elevated temperatures. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as casting, machining, and joining. Filing Code: Al-463. Producer or source: Rio Tinto Limited.

scholarly journals Tratamento preservativo da madeira juvenil de Eucalyptus camaldulensis Dehnh: pelo método de substituição de seiva

CERNE ◽  
2011 ◽  
Vol 17 (2) ◽  
pp. 275-282 ◽  
Author(s):  
Pablo Marcel de Arruda Torres ◽  
Juarez Benigno Paes ◽  
José Augusto de Lira Filho ◽  
José Wallace Barbosa do Nascimento
Keyword(s):  
Eucalyptus Camaldulensis ◽  
Rio Tinto ◽  
Eucalyptus Camaldulensis Dehnh ◽  
Río Tinto

Objetivou-se, com esta pesquisa, analisar a qualidade do tratamento preservativo da madeira juvenil de Eucalyptus camaldulensis Dehnh. e verificar a influência da inversão das peças na solução preservativa, na distribuição, na penetração e na retenção do CCB, ao longo das peças tratadas pelo método de substituição de seiva. Árvores de Eucalyptus camaldulensis foram coletadas na Zona Rural do Município de Rio Tinto - PB, de um povoamento com quatro anos. No povoamento foram escolhidas, aleatoriamente, cinco árvores, sendo três de maior diâmetro. Para o tratamento da madeira, empregou-se o método de substituição de seiva por transpiração radial utilizando-se uma solução de 2% de ingredientes ativos de borato de cobre cromatado (CCB) e comparou-se o efeito da inversão das peças na solução preservativa. A distribuição, a penetração e a retenção foram melhores nas peças invertidas, quando comparadas àquelas não-invertidas na solução preservativa.

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