Copper isotope fractionation in acid mine drainage

Kimball, Briant A.; Mathur, Ryan; Dohnálková, Alice; Wall, A. J.; Runkel, Robert L.; Brantley, Susan L.

doi:10.1016/j.gca.2008.11.035

Cited by 157 publications

(76 citation statements)

References 76 publications

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“…22,32,33 The isotope signatures in 377 PM collected in Metz and in time series in London are in good agreement with the isotopic 378 composition of sphalerite, i.e., non-exhaust traffic emissions. 379…”

Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 54%

“…18,21,22 The Cu signatures in PM 2.5-80 collected in London are significantly different 382 from the  65 Cu AE633 in natural dust, most probably due to the influence of combustion 383 emissions during the winter season. 13, 16, 17 384 Figure 5 suggests that the cities investigated so far have their own 'isotope signature' 385 and we propose that the isotope fingerprints reflect the importance of emissions from high 386 temperature processes and non-exhaust traffic emissions such as brake and tire wear.…”

Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 96%

“…[12][13][14] The  66 Zn IRMM in rocks ranges between +0.52 and +0.92‰ (panel a), and the δ 65 Cu AE633 in Cu sulphides ranges between 1 and +1‰. 11,22 The  66 Zn Lyon and δ 65 Cu NIST976 taken from the literature were normalised to  66 Zn IRMM and δ 65 Cu AE633 , respectively, assuming an isotope offset of  66 Zn IRMM-Lyon =+0.32‰ and no isotope offset for Cu ( 65 Cu NIST976-AE633 ≈ 0.01±0.04‰). 11,42 Data obtained during this study and other cities in Europe and South America are presented in blue color whereas data from literature for PM from smelters and coal-fired power plants is shown in orange and yellow, respectively.…”

Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 99%

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New Insights from Zinc and Copper Isotopic Compositions into the Sources of Atmospheric Particulate Matter from Two Major European Cities

Gonzalez

Strekopytov

Amato

et al. 2016

Environ. Sci. Technol.

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This study reports spatial and temporal variability of Zn and Cu isotopes in atmospheric particulate matter (PM) collected in two major European cities with contrasting atmospheric pollution, Barcelona and London. We demonstrate that nontraditional stable isotopes identify source contributions of Zn and Cu and can play a major role in future air quality studies. In Barcelona, samples of fine PM were collected at street level at sites with variable traffic density. The isotopic signatures ranged between −0.13 ± 0.09 and −0.51 ± 0.05‰ for δ 66 Zn IRMM and between +0.04 ± 0.20 and +0.33 ± 0.15‰ for δ 65 Cu AE633 .Copper isotope signatures similar to those of Cu sulfides and Cu/ Sb ratios within the range typically found in brake wear suggest that nonexhaust emissions from vehicles are dominant. Negative Zn isotopic signatures characteristic for gaseous emissions from smelting and combustion and large enrichments of Zn and Cd suggest contribution from metallurgical industries. In London, samples of coarse PM collected on the top of a building over 18 months display isotope signatures ranging between +0.03 ± 0.04 and +0.49 ± 0.02‰ for δ 66 Zn IRMM and between +0.37 ± 0.17 and +0.97 ± 0.21‰ for δ 65 Cu AE633 . Heavy Cu isotope signatures (up to +0.97 ± 0.21‰) and higher enrichments and Cu/Sb ratios during winter time indicate important contribution from fossil fuel combustion. The positive δ 66 Zn IRMM signatures are in good agreement with signatures characteristic for ore concentrates used for the production of tires and galvanized materials, suggesting nonexhaust emissions from vehicles as the main source of Zn pollution.

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Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 54%

Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 96%

Section: Conceptual Models For the Controls Of Zn And Cu Isotope Fingmentioning

confidence: 99%

See 1 more Smart Citation

New Insights from Zinc and Copper Isotopic Compositions into the Sources of Atmospheric Particulate Matter from Two Major European Cities

Gonzalez

Strekopytov

Amato

et al. 2016

Environ. Sci. Technol.

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show abstract

“…[1][2][3][4][5][6][7][8][9][10][11][12][13][14] As a result, the residual primary copper-rich minerals (Cu(I)) have their δ 65 Cu values shifted toward lower values as the leaching processes proceed. [1][2][3][4][5][6][7][8][9][10][11][12][13][14] In the case of our sample, primary cubanite grains near the weathered surface of the sample were significantly affected by dissolution during low-temperature oxidation and weathering processes, and copper (Cu(I)) in the cubanite grains was probably leached, and precipitated as thin secondary minerals (malachite) (Cu(II)). Thus, these grains show lower δ…”

Section: Application To Cubanite Micro-grains From the Mihara Mine Jmentioning

confidence: 99%

“…2 This variation is quite large compared with other non-traditional stable isotopes (e.g., Fe and Zn), 1 presumably due to significant isotope fractionations during redox reactions (oxidation states 0, +1 and +2 of Cu are not uncommon in nature, compared with Fe and Zn) that occurred at relatively low temperatures. [1][2][3][4][5][6][7][8][9][10][11][12][13][14] Therefore, the copper isotopes are potentially an excellent tracer of geological and biological processes.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of UV-fs-LA-MC-ICP-MS for Precise in situ Copper Isotopic Microanalysis of Cubanite

Ikehata

Hirata

2013

ANAL. SCI.

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Copper and zinc isotope systematics of altered oceanic crust at IODP Site 1256 in the eastern equatorial Pacific

et al. 2016

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This paper presents the first combined Cu and Zn isotopic study of altered oceanic crust at Integrated Ocean Drilling Program (IODP) Hole 1256D that penetrates a volcanic section, a lava‐dyke transition zone, a sheeted dyke complex, and a plutonic complex. In the volcanic section, all but one rocks have Cu and Zn isotopic compositions similar to fresh mid‐ocean ridge basalt (MORB), reflecting restricted seawater circulation and low oxygen fugacity. Rocks in the transition zone have MORB‐like δ65Cu and δ66Zn, indicating the dominant influence of basalt‐derived Cu and Zn during alteration. Rocks in the dyke complex have more variable δ65Cu (−0.50–0.90‰) and δ66Zn (0.19–0.55‰) and those in the plutonic complex have δ65Cu of −0.43 to 0.20‰ and δ66Zn of 0.21 to 0.41‰. The rocks with heavier δ66Zn and heavier or lighter δ65Cu relative to MORB are characterized by Cu‐Zn depletions, low Li/Yb (<1.0) and low δ18O (<5‰), suggesting that hydrothermal extraction during high temperature alteration of oceanic crust can result in significant Cu and Zn isotope fractionation. Such large Cu and Zn isotopic variations are the results of redox transformation of Cu as well as Cu and Zn isotope fractionation between altered basaltic rocks and dissolved Cu and Zn species in hydrothermal fluids (e.g., [CuCl3]1−, Zn(HS)42−). This work is the first to define the distribution of Cu and Zn isotopes in an intact oceanic crust with concentration‐weighted averages of δ65Cu (0.05 ± 0.03‰) and δ66Zn (0.27 ± 0.01‰). The potential implications of these new observations are discussed.

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Copper isotope fractionation in acid mine drainage

Cited by 157 publications

References 76 publications

New Insights from Zinc and Copper Isotopic Compositions into the Sources of Atmospheric Particulate Matter from Two Major European Cities

New Insights from Zinc and Copper Isotopic Compositions into the Sources of Atmospheric Particulate Matter from Two Major European Cities

Evaluation of UV-fs-LA-MC-ICP-MS for Precise in situ Copper Isotopic Microanalysis of Cubanite

Copper and zinc isotope systematics of altered oceanic crust at IODP Site 1256 in the eastern equatorial Pacific

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