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  • High-Pressure Polymorphs: What Ringwoodite and Bridgmanite Reveal About the Transition Zone
    Planetary Physics & Geodynamics

    High-Pressure Polymorphs: What Ringwoodite and Bridgmanite Reveal About the Transition Zone

    Diamond inclusion mineral physics, the 410 and 660 km discontinuities, and deep mantle water storage in wadsleyite and ringwoodite.

    Dr. Dorcas Halvorson
    •
    Sep 19, 2026
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    3–4 minutes
  • Tidal Dissipation and Lunar Recession: The Long-Term Slowing of Terrestrial Rotation
    Planetary Physics & Geodynamics

    Tidal Dissipation and Lunar Recession: The Long-Term Slowing of Terrestrial Rotation

    Oceanic friction, lunar laser ranging (LLR), tidal bulges, and the evolution of Earth's length of day across Precambrian tidal rhythmites.

    Dr. Dorcas Halvorson
    •
    Sep 3, 2026
    •
    3–4 minutes
  • Comparative Planetary Magnetospheres: Why Earth Retained Its Field While Mars Froze
    Planetary Physics & Geodynamics

    Comparative Planetary Magnetospheres: Why Earth Retained Its Field While Mars Froze

    Core crystallization regimes, mantle convection cooling efficiency, and atmospheric stripping mechanisms dictating magnetic field longevity on terrestrial planets.

    Dr. Dorcas Halvorson
    •
    Aug 31, 2026
    •
    3–4 minutes
  • Seismic Anisotropy in the D” Layer: Mapping the Mysterious Core-Mantle Boundary
    Planetary Physics & Geodynamics

    Seismic Anisotropy in the D” Layer: Mapping the Mysterious Core-Mantle Boundary

    Post-perovskite phase transitions, lattice preferred orientation (LPO), and shear-wave splitting at Earth's basal thermal boundary layer.

    Dr. Dorcas Halvorson
    •
    Aug 28, 2026
    •
    3–4 minutes
  • True Polar Wander: Rotational Instabilities Shifting Earth’s Mantle Relative to its Axis
    Planetary Physics & Geodynamics

    True Polar Wander: Rotational Instabilities Shifting Earth’s Mantle Relative to its Axis

    Moment of inertia tensor perturbation, mass distribution anomalies, and the viscoelastic reorientation of the solid Earth relative to the spin…

    Dr. Dorcas Halvorson
    •
    Aug 25, 2026
    •
    3–4 minutes
  • Geodynamo Mechanics: How Liquid Iron Turbulence Generates the Geomagnetic Field
    Planetary Physics & Geodynamics

    Geodynamo Mechanics: How Liquid Iron Turbulence Generates the Geomagnetic Field

    Magnetohydrodynamic induction in Earth's outer core, compositional convection from inner core crystallization, and Coriolis-driven helical columnar turbulence.

    Dr. Dorcas Halvorson
    •
    Aug 22, 2026
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    3–5 minutes
  • Rifting Dynamics: Mechanical Stretching and Volcanism in the East African Rift System
    Planetary Physics & Geodynamics

    Rifting Dynamics: Mechanical Stretching and Volcanism in the East African Rift System

    McKenzie pure-shear stretching, magmatic strain localization, and mantle plume interaction governing the active continental rifting of East Africa.

    Dr. Dorcas Halvorson
    •
    Jul 17, 2026
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    3–4 minutes
  • Orogenic Collapse: Why Mountains Stop Growing and How Gravitational Spreading Works
    Planetary Physics & Geodynamics

    Orogenic Collapse: Why Mountains Stop Growing and How Gravitational Spreading Works

    Gravitational potential energy thresholds, thermal weakening of overthickened crust, and metamorphic core complex exhumation during late-stage orogenic collapse.

    Dr. Dorcas Halvorson
    •
    Jul 14, 2026
    •
    3–4 minutes
  • Cratonic Keels: The Billion-Year Mechanics Keeping Continental Cores Buoyant
    Planetary Physics & Geodynamics

    Cratonic Keels: The Billion-Year Mechanics Keeping Continental Cores Buoyant

    Isopycnic stability hypothesis, chemical depletion rheology, and dehydration stiffening that preserve Archean cratonic roots against mantle convective erosion.

    Dr. Dorcas Halvorson
    •
    Jul 11, 2026
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    3–4 minutes
  • Subduction Zone Seismicity: The Physics of Megathrust Earthquakes along the Pacific Rim
    Planetary Physics & Geodynamics

    Subduction Zone Seismicity: The Physics of Megathrust Earthquakes along the Pacific Rim

    Rate-and-state friction mechanics, pore-fluid overpressure in the seismogenic zone, and viscoelastic rupture propagation during giant Mw 9+ megathrust events.

    Dr. Dorcas Halvorson
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    Jul 8, 2026
    •
    3–5 minutes
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Trending Earth Scales

  • Isostatic Rebound: Viscoelastic Mantle Relaxation Following the Last Glacial MaximumSeptember 25, 2026
  • High-Pressure Polymorphs: What Ringwoodite and Bridgmanite Reveal About the Transition ZoneSeptember 19, 2026
  • Serpentinization at Mid-Ocean Ridges: Abiotic Hydrogen Generation and Deep Sea VentsSeptember 15, 2026
  • Metamorphic Dehydration: How Bound Water Escapes Crustal Slabs to Trigger VolcanismSeptember 9, 2026

EarthScales

An independent academic publication and computational modeling editorial dedicated to quantitative planetary physics, deep-time geodynamics, and Earth system thermodynamics.

Academic & Exploration Notice: All geophysical simulations, numerical approximations, and stratigraphical chronologies published herein are developed for theoretical exploration and educational research. Not intended for civil hazard evacuation determinations.

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© 2026 EarthScales. All rights reserved. Peer-reviewed data synthesis across AGU, EGU, USGS & NASA PDS frameworks.