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Bridgmanite induced ferrous iron charge disproportionation and the redox state of the Earth
AGU 2024
study of earth's deep interior | 12 december 2024
Fei Wang, Lin Wang, Hongzhan Fei, Nobuyoshi Miyaji...
The deep Earth oxygen cycle links the minerals in the deep mantle to those near the Earths surface by exchanging oxygen between these regions, resulti...
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Structural Evolution of Basaltic Melts in the Deep Earth: Insights From High‐Pressure Sound Velocity of Glass
JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH
20 september 2024
Charlotte Trubowitz, Christian Liebske, Catherine ...
The densification mechanisms of silicate melts under high pressure are of key interest in understanding the evolution of the early Earth and its pr...
Ultrahigh‐Pressure Acoustic Velocities of Aluminous Silicate Glass up to 155 GPa With Implications for the Structure and Dynamics of the Deep Terrestrial Magma Ocean
GEOPHYSICAL RESEARCH LETTERS
11 july 2023
Pinku Saha, Motohiko Murakami, Catherine A. McCamm...
We have carried out in situ high‐pressure acoustic velocity measurements of (Fe2+, Al)‐bearing MgSiO3 glass up to pressures of 155 ...
Temperature dependence of Fe3+/∑Fe in bridgmanite
FROM THE SURFACE TO THE DEEP INTERIOR OF THE EARLY EARTH II POSTER
study of earth's deep interior | 12 december 2022
Fei Wang, Hongzhan Fei, Lin Wang, Catherine A. McC...
Bridgmanite, which is considered to be the most abundant mineral in the lower mantle as well as entire Earth, easily incorporates Fe3+ even under very...
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Sound Velocity Measurements of B2‐Fe‐Ni‐Si Alloy Under High Pressure by Inelastic X‐Ray Scattering: Implications for the Composition of Earth's Core
GEOPHYSICAL RESEARCH LETTERS
04 august 2022
Serena Dominijanni, Catherine A. McCammon, Eiji Oh...
Elastic properties of B2‐Fe0.67Ni0.06Si0.27 (15 wt.% Si) alloy have been investigated by combined high‐resolution inelastic X‐ray...
Bringing Bad Things Together With Other Things To Make New Forms That Are Safer For Us And Our World
THE UP-GOER FIVE CHALLENGE: MAKING BIG IDEAS SIMPLER BY TALKING ABOUT THEM IN WORDS WE USE A LOT I ORAL
education | 14 december 2021
Catherine A. McCammon, Kerstin Hockmann, Laura Weg...
Many things on our world seem good at first, but then we find out they have a bad side. One of these things, lets call it thing fifty-one, can be adde...
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The Composition of Bridgmanite in the Earth's Lower Mantle
A MULTIDISCIPLINARY UNDERSTANDING OF THE LOWER-MANTLE EVOLUTION AND THERMOCHEMICAL STATUS I ORAL
study of earth's deep interior | 13 december 2021
Rong Huang, Tiziana Boffa Ballaran, Catherine A. M...
In order to understand the factors controlling transport properties and the redox state in the lower mantle, the ferric iron content in bridgmanite (B...
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Pressure Destabilizes Oxygen Vacancies in Bridgmanite
JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH
02 december 2021
Hongzhan Fei, Zhaodong Liu, Rong Huang, Seiji Kama...
Bridgmanite may contain a large proportion of ferric iron in its crystal structure in the forms of FeFeO3 and MgFeO2.5 components. We investigated ...