A review of machine learning in geochemistry and cosmochemistry: Method improvements and applications

Y He, Y Zhou, T Wen, S Zhang, F Huang, X Zou… - Applied …, 2022 - Elsevier
The development of analytical and computational techniques and growing scientific funds
collectively contribute to the rapid accumulation of geoscience data. The massive amount of …

Silicate melt inclusions in the new millennium: A review of recommended practices for preparation, analysis, and data presentation

EF Rose-Koga, AS Bouvier, GA Gaetani, PJ Wallace… - Chemical …, 2021 - Elsevier
Mineral-hosted melt inclusions have become an important source of information on
magmatic processes. As the number of melt inclusion studies increases, so does the need to …

Understanding X-ray absorption spectra by means of descriptors and machine learning algorithms

AA Guda, SA Guda, A Martini, AN Kravtsova… - npj Computational …, 2021 - nature.com
X-ray absorption near-edge structure (XANES) spectra are the fingerprint of the local atomic
and electronic structures around the absorbing atom. However, the quantitative analysis of …

Determination of Fe3+/ΣFe of XANES basaltic glass standards by Mössbauer spectroscopy and its application to the oxidation state of iron in MORB

HL Zhang, E Cottrell, PA Solheid, KA Kelley… - Chemical …, 2018 - Elsevier
To improve the accuracy of X-ray absorption near-edge structure (XANES) calibrations for
the Fe 3+/ΣFe ratio in basaltic glasses, we reevaluated the Fe 3+/ΣFe ratios of glasses used …

X-ray absorption fine structure (XAFS) studies of oxide glasses—a 45-year overview

VR Mastelaro, ED Zanotto - Materials, 2018 - mdpi.com
X-ray Absorption Fine Structure (XAFS) spectroscopy has been widely used to characterize
the short-range order of glassy materials since the theoretical basis was established 45 …

Improving the reliability of Fe-and S-XANES measurements in silicate glasses: correcting beam damage and identifying Fe-oxide nanolites in hydrous and anhydrous …

AH Lerner, MJ Muth, PJ Wallace, A Lanzirotti… - Chemical …, 2021 - Elsevier
The redox state of silicate melts influences crystallization, element partitioning, and
degassing behavior. Synchrotron-based micro-X-ray absorption near edge structure …

The absorption indicatrix as an empirical model to describe anisotropy in X-ray absorption spectra of pyroxenes

CJ Steven, MD Dyar, M McCanta… - … : Journal of Earth …, 2022 - pubs.geoscienceworld.org
Anisotropic absorption in crystals is routinely observed in many spectroscopic methods and
is recognized in visible light optics as pleochroism in crystalline materials. As with other …

GeoSoilEnviroCARS (Sector 13) at the Advanced Photon Source: a comprehensive synchrotron radiation facility for Earth science research at ambient and extreme …

SR Sutton, ML Rivers, S Chariton, PJ Eng… - Physics and Chemistry …, 2022 - Springer
GeoSoilEnviroCARS (GSECARS) is a comprehensive analytical laboratory for Earth and
environmental science research using X-ray beams from the Advanced Photon Source …

Use of multivariate analysis for synchrotron micro-XANES analysis of iron valence state in amphiboles

MD Dyar, EA Breves, ME Gunter… - American …, 2016 - pubs.geoscienceworld.org
Abstract Microanalysis of Fe3+/∑ Fe in geological samples using synchrotron-based X-ray
absorption spectroscopy has become routine since the introduction of standards and model …

Oxybarometry and valence quantification based on microscale X-ray absorption fine structure (XAFS) spectroscopy of multivalent elements

SR Sutton, A Lanzirotti, M Newville, MD Dyar… - Chemical …, 2020 - Elsevier
X-ray absorption fine structure (XAFS) spectroscopy has proven to be a valuable tool in
defining valence states of multivalent elements in minerals and glasses that can then be …