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From left, University of Wyoming students Shane Scoggin, Adam Trzinski and Jessie Shields are part of new research investigating crustal melting in western North America. Here, they examine igneous rocks in the Snake Range of Nevada. Credit: Jay Chapman

Scientists probe mysterious melting of Earth’s crust in western North America

Earth, core, mantle

Heavy iron isotopes leaking from Earth’s core

The inner core is likely composed of the hexagonal close packed phase of iron and located at the center of the Earth at pressures between 329 and 364 GPa and temperatures of ~5000 to ~6000 K. Credit: Ehime University

Is the Earth’s inner core oscillating and translating anomalously?

Structure layers of the earth.

Scientists Find Iron ‘Snow’ in Earth’s Core

Sound waves reveal enormous diamond cache deep in Earth’s interior

Nuvvuagittuq, Canada

Earth could have supported continental crust, life earlier than thought

Earth's crust, mantle and outer core interactions.

New insight into Earth’s crust, mantle and outer core interactions

This illustration shows how the changes in the electromagnetic properties of xenon, iron, and nickel under these intense pressures allow for the formation of XeFe3 and XeNi3.

Do you know where your xenon is?

Earth experienced multiple large impacts; the high-pressure and -temperature conditions caused pockets of core and mantle partitioning that persist as chemically distinct today.

Earth’s core and mantle separated in a disorderly fashion

This is Moho temperature at depths varying from 20 to 50 km.

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

Distribution of intraplate earthquakes in central and eastern North America

Ancient weakening of Earth’s crust explains unusual intraplate earthquakes

The hydrothermal circulation changes the ocean crust and increases the Chlorine (CL) concentration of the rocks by incorporation of sea water

Water cooling for the Earth’s crust

Lithospheric-scale processes involved in the precursor stage of formation of the Deseado Massif auriferous province.

Plume-subduction interaction forms large auriferous provinces

Study sheds new light on earth’s evolution

Scientists produce best estimate of Earth’s composition

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

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

Continental crust thanks to the right mixture

Earth's Layers

New theory on how Earth’s crust was created

Rock samples indicate water is key ingredient for crust formation

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