Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina
Fil: Murray, Jesica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina.
| Main Authors: | , , , , |
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| Format: | bookPart |
| Language: | eng |
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2023
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| Online Access: | http://hdl.handle.net/11086/30131 |
| _version_ | 1801216460173869056 |
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| author | Murray, Jesica. García, María Gabriela Borgnino, Laura Mendez Guimaraes, Edi Kirschbaum, Alicia Matilde |
| author_facet | Murray, Jesica. García, María Gabriela Borgnino, Laura Mendez Guimaraes, Edi Kirschbaum, Alicia Matilde |
| author_sort | Murray, Jesica. |
| collection | Repositorio Digital Universitario |
| description | Fil: Murray, Jesica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina. |
| format | bookPart |
| id | rdu-unc.30131 |
| institution | Universidad Nacional de Cordoba |
| language | eng |
| publishDate | 2023 |
| record_format | dspace |
| spelling | rdu-unc.301312023-02-06T20:16:00Z Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina Murray, Jesica. García, María Gabriela Borgnino, Laura Mendez Guimaraes, Edi Kirschbaum, Alicia Matilde Mineralogical Arsenic Extractions Puna region Fil: Murray, Jesica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina. Fil: Murray, Jesica. Universidad Nacional de Salta. Museo de Ciencias Naturales; Argentina. Fil: García, María Gabriela. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales; Argentina. Fil: García, María Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Fil: Borgnino, Laura. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales; Argentina. Fil:Borgnino, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Fil: Mendez Guimaraes, Edi. Universidad de Brasilia. Laboratório de Rayos X; Brasil. Fil: Kirschbaum, Alicia Matilde. Universidad Nacional de Salta. Museo de Ciencias Naturales; Argentina. Fil: Kirschbaum, Alicia Matilde. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina. In the Argentina Puna region there are several metal sulfide mines that ceased their activity twenty years ago without a proper closure plan. The exposure of the waste rocks and tailing impoundments to weathering led to sulfide oxidation and generation of highly acid solutions rich in metal(oid)s, that react with the unaltered waste rocks, partitioning into different solid phases. The As speciation along a 120 cm depth oxidation profile described in the Pan de Azucar mine tailings was studied by standarized sequential extraction procedures. Results show that the highest As concentration remain in the bottom unaltered layer mainly associated with primary and secondary sulfides. In the upper layers, the total As concentrations are ?î40 to 70% lower than that of the bottom layer, and most As is associated with amorphous and cristalline oxides. More bioavailable forms of As (exchangeable and soluble) account for less than 1.5% of the total As concentration. Fil: Murray, Jesica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina. Fil: Murray, Jesica. Universidad Nacional de Salta. Museo de Ciencias Naturales; Argentina. Fil: García, María Gabriela. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales; Argentina. Fil: García, María Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Fil: Borgnino, Laura. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales; Argentina. Fil:Borgnino, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Fil: Mendez Guimaraes, Edi. Universidad de Brasilia. Laboratório de Rayos X; Brasil. Fil: Kirschbaum, Alicia Matilde. Universidad Nacional de Salta. Museo de Ciencias Naturales; Argentina. Fil: Kirschbaum, Alicia Matilde. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Bio y Geociencias del NOA; Argentina. Otras Ciencias de la Tierra y relacionadas con el Medio Ambiente 2023-01-25T14:56:24Z 2023-01-25T14:56:24Z 2014 bookPart 9781138001411 http://hdl.handle.net/11086/30131 eng Attribution-NonCommercial-ShareAlike 4.0 International http://creativecommons.org/licenses/by-nc-sa/4.0/ Impreso |
| spellingShingle | Mineralogical Arsenic Extractions Puna region Murray, Jesica. García, María Gabriela Borgnino, Laura Mendez Guimaraes, Edi Kirschbaum, Alicia Matilde Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title | Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title_full | Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title_fullStr | Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title_full_unstemmed | Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title_short | Arsenic solid speciation in tailings of the abandoned Pan de Azucar mine, Northwestern Argentina |
| title_sort | arsenic solid speciation in tailings of the abandoned pan de azucar mine northwestern argentina |
| topic | Mineralogical Arsenic Extractions Puna region |
| url | http://hdl.handle.net/11086/30131 |
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