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Tag: Crust

Scientists produce best estimate of Earth’s composition

Scientists at ANU have produced the best estimate of Earth's elemental composition which will help them understand how the Earth formed 4.6 billion years...

Changes in Earth’s crust caused oxygen to fill the atmosphere

Scientists have long wondered how Earth's atmosphere filled with oxygen. UBC geologist Matthijs Smit and research partner Klaus Mezger may have found the answer...

Crustal limestone platforms feed carbon to many of Earth’s arc volcanoes

A new analysis suggests that much of the carbon released from volcanic arcs, chains of volcanoes that arise along the tectonic plates of a...

Continental crust thanks to the right mixture

For the first time, ETH scientists have successfully recreated the formation of continental crust in the Archean using a computer simulation. The model helps...

New theory on how Earth’s crust was created

More than 90% of Earth's continental crust is made up of silica-rich minerals, such as feldspar and quartz. But where did this silica-enriched material...

Rock samples indicate water is key ingredient for crust formation

By examining the cooling rate of rocks that formed more than 10 miles beneath the Earth's surface, scientists led by The University of Texas...

Using a method from Wall Street to track slow slipping of...

Stock traders have long used specialized trackers to decide when to buy or sell a stock, or when the market is beginning to make...

CRUST adds new layer of defense against earthquakes, tsunamis

The first computer model to simulate the whole chain of events triggered by offshore mega subduction earthquakes could reduce losses to life and property...

Parts of the Earth’s original crust remain in place today

Analysis of rock samples harvested from the Canadian Shield suggests the samples contain components of Earth's crust that existed more than 4.2 billion year...

Earth’s first example of recycling – its own crust!

Rock samples from northeastern Canada retain chemical signals that help explain what Earth's crust was like more than 4 billion years ago, reveals new...

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