Perovskite in Earth's deep interior

K Hirose, R Sinmyo, J Hernlund - Science, 2017 - science.org
Silicate perovskite-type phases are the most abundant constituent inside our planet and are
the predominant minerals in Earth's lower mantle more than 660 kilometers below the …

Global distribution of sediment-hosted metals controlled by craton edge stability

MJ Hoggard, K Czarnota, FD Richards, DL Huston… - Nature …, 2020 - nature.com
Sustainable development and the transition to a clean-energy economy drives ever-
increasing demand for base metals, substantially outstripping the discovery rate of new …

High accuracy mantle convection simulation through modern numerical methods–II: realistic models and problems

T Heister, J Dannberg, R Gassmöller… - Geophysical Journal …, 2017 - academic.oup.com
Computations have helped elucidate the dynamics of Earth's mantle for several decades
already. The numerical methods that underlie these simulations have greatly evolved within …

Seismic detection of a deep mantle discontinuity within Mars by InSight

Q Huang, NC Schmerr, SD King… - Proceedings of the …, 2022 - National Acad Sciences
Constraining the thermal and compositional state of the mantle is crucial for deciphering the
formation and evolution of Mars. Mineral physics predicts that Mars' deep mantle is …

The nominal ranges of rocky planet masses, radii, surface gravities, and bulk densities

CT Unterborn, SJ Desch, J Haldemann… - The Astrophysical …, 2023 - iopscience.iop.org
The two primary observable quantities of an exoplanet—its mass and radius—alone are not
sufficient to probe a rocky exoplanet's interior composition and mineralogy. To overcome …

Ultrafast x-ray detection of low-spin iron in molten silicate under deep planetary interior conditions

SH Shim, B Ko, D Sokaras, B Nagler, HJ Lee… - Science …, 2023 - science.org
The spin state of Fe can alter the key physical properties of silicate melts, affecting the early
differentiation and the dynamic stability of the melts in the deep rocky planets. The low-spin …

Compositional mantle layering revealed by slab stagnation at~ 1000-km depth

MD Ballmer, NC Schmerr, T Nakagawa, J Ritsema - Science advances, 2015 - science.org
Improved constraints on lower-mantle composition are fundamental to understand the
accretion, differentiation, and thermochemical evolution of our planet. Cosmochemical …

[HTML][HTML] CaCO3 phase diagram studied with Raman spectroscopy at pressures up to 50 GPa and high temperatures and DFT modeling

L Bayarjargal, CJ Fruhner, N Schrodt… - Physics of the Earth and …, 2018 - Elsevier
We revise the high pressure, high temperature phase diagram of CaCO 3 using Raman
spectroscopy in conjunction with laser heated diamond anvil cell experiments. We confirm …

TOI-561 b: A Low-density Ultra-short-period “Rocky” Planet around a Metal-poor Star

CL Brinkman, LM Weiss, F Dai, D Huber… - The Astronomical …, 2023 - iopscience.iop.org
TOI-561 is a galactic thick-disk star hosting an ultra-short-period (0.45-day-orbit) planet with
a radius of 1.37 R⊕, making it one of the most metal-poor ([Fe/H]=− 0.41) and oldest (≈ 10 …

Seismically determined elastic parameters for Earth's outer core

JCE Irving, S Cottaar, V Lekić - Science advances, 2018 - science.org
Turbulent convection of the liquid iron alloy outer core generates Earth's magnetic field and
supplies heat to the mantle. The exact composition of the iron alloy is fundamentally linked …