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Journal Articles Physics and Chemistry of the Earth. Parts A/B/C Year : 2007

Estimate of clay minerals amounts from XRD pattern modeling: The Arquant model

Abstract

This work presents an XRD pattern model applied to the quantification of clay minerals in the <2 μm fraction. The model is based on a linear combination of patterns previously simulated with specific codes. The modeling procedure is especially adapted to the oriented deposits performed from a suspension although it can also apply to the oriented pastes. The estimate of mica-like phases proportions allows to correct efficiently the illite amounts obtained. The model displays an interesting accuracy with an uncertainty of 8.6% at 59% of confidence. It is applied to the analysis of a natural sample, collected from a particular clay rock formation, related to the French nuclear waste storage project.

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Earth Sciences

Dates and versions

hal-03647346 , version 1 (20-04-2022)

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Philippe Blanc, Olivier Legendre, Eric Gaucher. Estimate of clay minerals amounts from XRD pattern modeling: The Arquant model. Physics and Chemistry of the Earth. Parts A/B/C, 2007, 32 (1-7), pp.135-144. ⟨10.1016/j.pce.2006.03.004⟩. ⟨hal-03647346⟩

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