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Transport of Pb and Zn by carboxylate complexes in basinal ore fluids and related petroleum-field brines at 100 °C: the influence of pH and oxygen fugacity by Thomas H. Giordano is a Environmental Science article available to read on EtoBox.
What is Transport of Pb and Zn by carboxylate complexes in basinal ore fluids and related petroleum-field brines at 100 °C: the influence of pH and oxygen fugacity about?
It is well established through field observations, experiments, and chemical models that oxidation (redox) state and pH exert a strong influence on the speciation of dissolved components and the solubility of minerals in hydrothermal fluids. log -pH diagrams were used to depict the influence of oxygen fugacity and pH on monocarboxylate- and dicarboxylate-transport of Pb and Zn in low-temperature (100°C) hydrothermal ore fluids that are related to diagenetic processes in deep sedimentary basins, and allow a first-order comparison of Pb and Zn transport among proposed model fluids for Mississippi Valley-type (MVT) and red-bed related base metal (RBRBM) deposits in terms of their approximate pH and conditions. To construct these diagrams, total Pb and Zn concentrations and Pb and Zn speciation were calculated as a function of log and pH for a composite ore-brine with concentrations of major elements, total sulfur, and total carbonate that approximate the composition of MVT and RBRBM model ore fluids and modern basinal brines. In addition to acetate and malonate complexation, complexes involving the ligands Cl, HS, HS, and OH were included in the model of calculated total metal concent
Who reads Transport of Pb and Zn by carboxylate complexes in basinal ore fluids and related petroleum-field brines at 100 °C: the influence of pH and oxygen fugacity?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Thomas H. Giordano
- Publisher
- Chemistry Central; Springer (Biomed Central Ltd.); BioMed Central; Cambridge: Published by the Royal Society of Chemistry in collaboration with the Division of Geochemistry of the American Chemical Society, 2000-; London: 2006-; Springer Science and Business Media LLC (ISSN 1467-4866)
- Published
- 2002
- Language
- EN
- Field
- Environmental Science (Physical Sciences)