"Microbeam XAFS studies on fluid inclusions at high temperatures" by Robert A. Mayanovic, A. J. Anderson et al.
 

Microbeam XAFS studies on fluid inclusions at high temperatures

Abstract

Zn and Fe K-edge microbeam XAFS measurements have been made on individual fluid inclusions in quartz at temperatures ranging from 25°C to 500°C. Analysis of Zn K-edge XAFS spectra shows that the ZnCl42- complex is predominant at all temperatures up to and including 430°C. The Zn-Cl bond length was found to decrease uniformly with temperature, up to nearly 2% at 430°C in comparison to the value at 25°C. The iron ion appears to be predominantly hydrated up to some temperature between 100°C and 200°C. Above 200°C, iron in the inclusions is predominantly coordinated by chlorine ligands.

Department(s)

Physics, Astronomy, and Materials Science

Document Type

Article

DOI

https://doi.org/10.1051/jp4:19972129

Publication Date

1-1-1997

Journal Title

Journal De Physique. IV : JP

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