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Jun Tsuchiya

Editor, JGR: Solid Earth

Photomicrographs
Posted inEditors' Highlights

Kyanite Exsolution Reveals Ultra-Deep Subduction of Continents

by Jun Tsuchiya and Sujoy Ghosh 23 January 202622 January 2026

Laboratory experiments provide the first experimental evidence that continental rocks can be subducted to depths greater than 300 kilometers and return to the surface.

A calcite crystal, a graph, and a cross-section of Earth's subsurface.
Posted inEditors' Highlights

Unexpected Carbonate Phase Revealed by Advanced Simulations

by Jun Tsuchiya 25 September 2025

Advanced simulations reveal a new calcium carbonate phase whose unusual elastic behavior may explain puzzling seismic and electrical anomalies beneath ancient continents.

Two graphs from the study.
Posted inEditors' Highlights

Atomic-Scale Insights into Supercritical Silicate Fluids

by Jun Tsuchiya 30 April 202529 April 2025

Water-induced depolymerization enhances fluid mobility in deep Earth, offering new insights into magma transport and isotope signatures in arc lavas.

Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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