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Geology

Researchers unlock clues to a dramatic chapter of Earth’s geological history

Imagine Earth completely covered in ice. While it's hard to picture all of today's oceans and land masses obscured with glaciers, such an ice-covered version of the planet was not so far-fetched millions of years ago.
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Geology

Remixed mantle suggests early start of plate tectonics

New Curtin University research on the remixing of Earth's stratified deep interior suggests that global plate tectonic processes, which played a pivotal role in the existence of life on Earth, started to operate at least 3.2 billion years ago.
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Geology

Volcanic activity and changes in Earth’s mantle were key to rise of atmospheric oxygen

Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event.
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Geology

Weaker and stronger lithospheric regions cause the rotation of the Victoria microplate

The East African Rift System (EARS) is a newly forming plate tectonic boundary at which the African continent is being separated into several plates.
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Geology

Discovery of Ancient Super-Eruptions Indicates the Yellowstone Hotspot May Be Waning

Throughout Earth’s long history, volcanic super-eruptions have been some of the most extreme events ever to affect our planet’s rugged surface.
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Geology

New clues to deep earthquake mystery

A new understanding of our planet's deepest earthquakes could help unravel one of the most mysterious geophysical processes on Earth.
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Geology

Yale finds a (much) earlier birth date for tectonic plates

Yale geophysicists reported that Earth's ever-shifting, an underground network of tectonic plates was firmly in place more than 4 billion years ago -- at least a billion years earlier than scientists generally thought.
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Geology

The asteroid that killed the Dinosaurs stuck earth at ‘deadliest possible’ angle

Simulations to recreate the extinction-level event that killed 75% of life on Earth 66 million years ago, has shown the angle the asteroid struck was at 60 degrees.
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Geology

Using Drones to Monitor Explosive Volcanoes

Due to the difficult accessibility and the high risk of collapse or explosion, the imaging of active volcanoes has so far been a great challenge in volcanology.
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Geology

The lower mantle can be oxidized in the presence of water

If we took a journey from Earth's surface to the center, the midway point locates roughly at 1900 km depth in the lower mantle.
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Geology

The story of Earth’s evolution is being deciphered

Around 1800 miles beneath the Earth’s surfaces is a magmatic region between the solid silicate-based mantle and molten iron-rich core: The core-mantle boundary.
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Geology

Mars – The planet where mud erupts and flows

Mars today has no active volcanoes, much of the heat stored inside the planet has been lost over millions of years creating a thick outer crust preventing molten rock reaching the surface.
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