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Tag: Crust

New details emerge on temperature, mobility of earth’s lower crust in...

Everything on the surface of the Earth rests on massive tectonic plates that resemble a jelly sandwich, with two rigid pieces -- the upper...

Ancient weakening of Earth’s crust explains unusual intraplate earthquakes

New research reveals that mysterious pockets of earthquake activity in the middle of North America all have one thing in common: Earth's crust in...

Water cooling for the Earth’s crust

How deep can seawater penetrate through cracks and fissures into the seafloor? By applying a new analysis method, an international team of researchers has...

Plume-subduction interaction forms large auriferous provinces

Gold enrichment at the crustal or mantle source has been proposed as a key ingredient in the production of giant gold deposits and districts....

Study sheds new light on earth’s evolution

Research from the University of Texas at Arlington and the Wadia Institute of Himalayan Geology suggests that hydrogen, oxygen, water and carbon dioxide are...

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...

20 Things You Didn’t Know About “Inner Earth”

1. In 1692 Edmond Halley (of comet fame) proposed that the Earth is hollow. Below the outer crust where we live, he pictured two...

Taking Earth’s inner temperature

The temperature of Earth's interior affects everything from the movement of tectonic plates to the formation of the planet. A new study led by Woods...

Earth’s water may have originally been formed deep within its mantle,...

Earth's water may have originally been formed by chemical reactions deep within the planet's mantle, according to research led by University College Dublin. The new...

Research journey to the center of the Earth

Researchers in Japan say they may be one step closer to solving the mystery at the core of Earth. It has long been established that...

Breakup of supercontinent Pangea cooled mantle and thinned crust

The oceanic crust produced by the Earth today is significantly thinner than crust made 170 million years ago during the time of the supercontinent...

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