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Minerals
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In Situ Measurements of Physical Properties of Rocks, Minerals and...
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In Situ Measurements of Physical Properties of Rocks, Minerals and Fluids at Extreme Conditions

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Crystallography and Physical Chemistry of Minerals & Nanominerals".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 2149

Special Issue Editors

Dr. Julien Chantel

E-Mail Website
Guest Editor
Unité Matériaux Et Transformation, Université de Lille, 59000 Lille, France
Interests: high-pressure mineral physics; high-pressure and high-temperature experiments; elasticity of minerals at high pressure and temperature; ultrasonic interferometry
Dr. Geeth Manthilake

E-Mail Website
Guest Editor
Labotatoire Magmas et Volcans, CNRS, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
Interests: transport and thermoelastic properties of planetary-forming materials at high pressure and temperature
Dr. Martha G. Pamato

E-Mail Website
Guest Editor
Department of Geosciences, University of Padua, 35131 Padua, Italy
Interests: mineral physics; high-pressure and high-temperature experiments; elasticity; inclusions in diamonds

Special Issue Information

Dear Colleagues,

Measurements of physical properties of rocks, minerals and fluids at high pressures and high temperatures contribute to our understanding of planetary interiors. The primary goal of this field is to establish the physical properties of materials that control the structural and thermal state, processes and evolution of planets. Modern cutting-edge experimental and instrumental capabilities of the in situ determination of properties at extreme conditions have reached levels of accuracy and precision that allow for a much sharper comprehension of Earth’s and other planetary interiors.

The goal of this Special Issue is to collect contributions dedicated to experimental studies of rocks, minerals or fluids under elevated conditions (high pressures and/or non-ambient temperatures) employing various in situ techniques (ultrasonic interferometry, electrical conductivity, thermal diffusivity, Brillouin spectroscopy, synchrotron X-ray diffraction/radiography, etc.).

Dr. Julien Chantel
Dr. Geeth Manthilake
Dr. Martha G. Pamato
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • in situ measurements
  • high pressure
  • mineral physics
  • physical properties of rocks
  • physical properties of minerals
  • physical properties of fluids
  • mineralogy

Published Papers (1 paper)

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Research

13 pages, 33640 KiB  
Article
A New Approach Determining a Phase Transition Boundary Strictly Following a Definition of Phase Equilibrium: An Example of the Post-Spinel Transition in Mg2SiO4 System
by Takayuki Ishii, Artem Chanyshev and Tomoo Katsura
Minerals 2022, 12(7), 820; https://doi.org/10.3390/min12070820 - 28 Jun 2022
Cited by 3 | Viewed by 1868
Abstract
The Clapeyron slope is the slope of a phase boundary in P–T space and is essential for understanding mantle dynamics and evolution. The phase boundary is delineating instead of balancing a phase transition’s normal and reverse reactions. Many previous high pressure–temperature experiments determining [...] Read more.
The Clapeyron slope is the slope of a phase boundary in P–T space and is essential for understanding mantle dynamics and evolution. The phase boundary is delineating instead of balancing a phase transition’s normal and reverse reactions. Many previous high pressure–temperature experiments determining the phase boundaries of major mantle minerals experienced severe problems due to instantaneous pressure increase by thermal pressure, pressure drop during heating, and sluggish transition kinetics. These complex pressure changes underestimate the transition pressure, while the sluggish kinetics require excess pressures to initiate or proceed with the transition, misinterpreting the phase stability and preventing tight bracketing of the phase boundary. Our recent study developed a novel approach to strictly determine phase stability based on the phase equilibrium definition. Here, we explain the details of this technique, using the post-spinel transition in Mg2SiO4 determined by our recent work as an example. An essential technique is to observe the change in X-ray diffraction intensity between ringwoodite and bridgmanite + periclase during the spontaneous pressure drop at a constant temperature and press load with the coexistence of both phases. This observation removes the complicated pressure change upon heating and kinetic problem, providing an accurate and precise phase boundary. Full article
(This article belongs to the Special Issue In Situ Measurements of Physical Properties of Rocks, Minerals and Fluids at Extreme Conditions)
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