Monday, May 16, 2022

Plate Tectonics

4-billion-year-old crystals offer clues to when plate tectonics began

The study offers hints about how the planet became habitable.

The terrestrial mantle still contains remnants of Earth’s initial crust’s origins

Sampling the deep graveyard of Earth’s earliest crust.

Simulating common processes of formation of new subduction zones

How do these subduction zones originate, and how do they evolve over time?

Ancient rocks on the coast of Oman may reveal new insights into subduction

Mineral dating reveals new clues about the important tectonic processes.

Imbalanced forces in the Earth-moon-sun system drive circulation of the whole mantle

Tug of sun, the moon could be driving plate motions on ‘imbalanced’ Earth.

Surprisingly cool ‘hotspots’ found under Earth’s crust

The findings suggest current theories of how some volcanoes form may be too simple.

Scientists discovered the signs of tectonic activity on exoplanet

Volcanoes might light up the night sky of this planet.

Tiny, mineral grains could explain a fundamental tectonic force

The theory may provide an origin story for subduction.

When did earth’s plate subduction begin?

Several billion-year-old rocks tell the story of the planet’s transition from alien landscape to one of continents, oceans, and ultimately life.

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