Molybdenum as a paleoredox proxy: past, present, and future
Molybdenum (Mo) is a widely used trace metal for investigating redox conditions. However, unanswered questions remain that concentration and bulk isotopic analysis cannot specially answer. Improvements can be made by combining new geochemical techniques to traditional methods of Mo analysis. In this...
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| Format: | E-Book |
| Sprache: | Englisch |
| Veröffentlicht: |
Cambridge
Cambridge University Press
2021
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| Schriftenreihe: | Cambridge elements. Elements in geochemical tracers in Earth system science
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| Links: | https://doi.org/10.1017/9781108993777 |
| Zusammenfassung: | Molybdenum (Mo) is a widely used trace metal for investigating redox conditions. However, unanswered questions remain that concentration and bulk isotopic analysis cannot specially answer. Improvements can be made by combining new geochemical techniques to traditional methods of Mo analysis. In this Element, we propose a refinement of Mo geochemistry within aquatic systems, ancient rocks, and modern sediments through molecular geochemistry (systematically combining concentration, isotope ratio, elemental mapping, and speciation analyses). Specifically, to intermediate sulfide concentrations governing Mo behavior below the 'switch-point' and dominant sequestration pathways in low oxygen conditions. The aim of this work is to 1) aid and improve the breadth of Mo paleoproxy interpretations by considering Mo speciation and 2) address outstanding research gaps concerning Mo systematics (cycling, partitioning, sequestration, etc.). The Mo paleoproxy has potential to solve ever complex research questions. By using molecular geochemical recommendations, improved Mo paleoproxy interpretations and reconstruction can be achieved. |
| Umfang: | 1 Online-Ressource (26 Seiten) |
| ISBN: | 9781108993777 |
| ISSN: | 2515-7027 |
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| spelling | Hlohowskyj, Stephan R. Molybdenum as a paleoredox proxy past, present, and future Stephan R. Hlohowskyj, Anthony Chappaz, Alexander J. Dickson Cambridge Cambridge University Press 2021 1 Online-Ressource (26 Seiten) txt c cr Cambridge elements. Elements in geochemical tracers in Earth system science 2515-7027 Molybdenum (Mo) is a widely used trace metal for investigating redox conditions. However, unanswered questions remain that concentration and bulk isotopic analysis cannot specially answer. Improvements can be made by combining new geochemical techniques to traditional methods of Mo analysis. In this Element, we propose a refinement of Mo geochemistry within aquatic systems, ancient rocks, and modern sediments through molecular geochemistry (systematically combining concentration, isotope ratio, elemental mapping, and speciation analyses). Specifically, to intermediate sulfide concentrations governing Mo behavior below the 'switch-point' and dominant sequestration pathways in low oxygen conditions. The aim of this work is to 1) aid and improve the breadth of Mo paleoproxy interpretations by considering Mo speciation and 2) address outstanding research gaps concerning Mo systematics (cycling, partitioning, sequestration, etc.). The Mo paleoproxy has potential to solve ever complex research questions. By using molecular geochemical recommendations, improved Mo paleoproxy interpretations and reconstruction can be achieved. Chappaz, Anthony Dickson, Alexander J. Erscheint auch als Druck-Ausgabe 9781108995283 |
| spellingShingle | Hlohowskyj, Stephan R. Molybdenum as a paleoredox proxy past, present, and future |
| title | Molybdenum as a paleoredox proxy past, present, and future |
| title_auth | Molybdenum as a paleoredox proxy past, present, and future |
| title_exact_search | Molybdenum as a paleoredox proxy past, present, and future |
| title_full | Molybdenum as a paleoredox proxy past, present, and future Stephan R. Hlohowskyj, Anthony Chappaz, Alexander J. Dickson |
| title_fullStr | Molybdenum as a paleoredox proxy past, present, and future Stephan R. Hlohowskyj, Anthony Chappaz, Alexander J. Dickson |
| title_full_unstemmed | Molybdenum as a paleoredox proxy past, present, and future Stephan R. Hlohowskyj, Anthony Chappaz, Alexander J. Dickson |
| title_short | Molybdenum as a paleoredox proxy |
| title_sort | molybdenum as a paleoredox proxy past present and future |
| title_sub | past, present, and future |
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