Determination of chemical weathering rates from U series nuclides in soils and weathering profiles: Principles, applications and limitations

François Chabaux; Lin Ma; Peter Stille; Eric Pelt; Mathieu Granet; Damien Lemarchand; Raphael di Chiara Roupert; Susan L. Brantley

doi:10.1016/j.apgeochem.2011.03.019

Determination of chemical weathering rates from U series nuclides in soils and weathering profiles: Principles, applications and limitations

François Chabaux, Lin Ma, Peter Stille, Eric Pelt, Mathieu Granet, Damien Lemarchand, Raphael di Chiara Roupert, Susan L. Brantley

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The development of U-series nuclides for investigating weathering processes has been significantly stimulated by the analytical improvement made over the last decades in measuring the ²³⁸U series with intermediate half-lives (i.e., ²³⁴U-²³⁰Th-²²⁶Ra). It is proposed in this paper to present principles and methods that are now being developed to determine weathering rates from the study of U-series nuclides in soils and weathering profiles. Mathematical approaches, developed to calculate such rates, are based on some implicit assumptions that are also presented and must be kept in mind if one wants to correctly interpret the obtained ages.

Original language	English (US)
Pages (from-to)	S20-S23
Journal	Applied Geochemistry
Volume	26
Issue number	SUPPL.
DOIs	https://doi.org/10.1016/j.apgeochem.2011.03.019
State	Published - Jun 2011

All Science Journal Classification (ASJC) codes

Environmental Chemistry
Pollution
Geochemistry and Petrology

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10.1016/j.apgeochem.2011.03.019

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title = "Determination of chemical weathering rates from U series nuclides in soils and weathering profiles: Principles, applications and limitations",

abstract = "The development of U-series nuclides for investigating weathering processes has been significantly stimulated by the analytical improvement made over the last decades in measuring the 238U series with intermediate half-lives (i.e., 234U-230Th-226Ra). It is proposed in this paper to present principles and methods that are now being developed to determine weathering rates from the study of U-series nuclides in soils and weathering profiles. Mathematical approaches, developed to calculate such rates, are based on some implicit assumptions that are also presented and must be kept in mind if one wants to correctly interpret the obtained ages.",

author = "Fran{\c c}ois Chabaux and Lin Ma and Peter Stille and Eric Pelt and Mathieu Granet and Damien Lemarchand and Roupert, {Raphael di Chiara} and Brantley, {Susan L.}",

note = "Funding Information: REALISE (R{\'e}seau Alsace de Laboratoires en Ing{\'e}nierie et Sciences pour l{\textquoteright}Environnement) and the Region of Alsace, France are thanked for their financial support to the Strasbourg group. SLB and LM acknowledge support from Department of Energy (DOE) grant DE-FG02-05ER15675.",

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doi = "10.1016/j.apgeochem.2011.03.019",

language = "English (US)",

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AU - Ma, Lin

AU - Stille, Peter

AU - Pelt, Eric

AU - Granet, Mathieu

AU - Lemarchand, Damien

AU - Roupert, Raphael di Chiara

AU - Brantley, Susan L.

N1 - Funding Information: REALISE (Réseau Alsace de Laboratoires en Ingénierie et Sciences pour l’Environnement) and the Region of Alsace, France are thanked for their financial support to the Strasbourg group. SLB and LM acknowledge support from Department of Energy (DOE) grant DE-FG02-05ER15675.

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N2 - The development of U-series nuclides for investigating weathering processes has been significantly stimulated by the analytical improvement made over the last decades in measuring the 238U series with intermediate half-lives (i.e., 234U-230Th-226Ra). It is proposed in this paper to present principles and methods that are now being developed to determine weathering rates from the study of U-series nuclides in soils and weathering profiles. Mathematical approaches, developed to calculate such rates, are based on some implicit assumptions that are also presented and must be kept in mind if one wants to correctly interpret the obtained ages.

AB - The development of U-series nuclides for investigating weathering processes has been significantly stimulated by the analytical improvement made over the last decades in measuring the 238U series with intermediate half-lives (i.e., 234U-230Th-226Ra). It is proposed in this paper to present principles and methods that are now being developed to determine weathering rates from the study of U-series nuclides in soils and weathering profiles. Mathematical approaches, developed to calculate such rates, are based on some implicit assumptions that are also presented and must be kept in mind if one wants to correctly interpret the obtained ages.

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Determination of chemical weathering rates from U series nuclides in soils and weathering profiles: Principles, applications and limitations

Abstract

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