Friday, August 12, 2022

Earth’s interior

Earth’s solid inner core formed 550 million years ago

Ancient rocks hold clues.

Seismic wave data revealed changes in the Earth’s outer core

Scientists have never directly observed convective flows or how they may be changing.

Earth’s interior has life that is just as productive as some ocean waters

Microbes in pitch-dark aquifers as important primary producers.

Earth’s inner core oscillates, study

The Earth moves far under our feet.

Earth’s inner core is not a normal solid, study

Earth's Inner Core: A mixture of solid Fe and liquid-like light elements.

Earth’s interior is cooling faster than thought

Earth’s heat may dissipate sooner than previously thought.

Scientists recreated the deep-Earth conditions in the lab

New observations of the atomic structure of iron reveal it undergoes "twinning" under extreme stress.

A better estimate of the amount of carbon in the Earth’s outer core

The work suggests the core could be the planet’s largest reservoir of that element.

Study reveals information on an important period in Earth’s formation

Traces of Earth’s early magma ocean identified in Greenland rocks.

Tiny, mineral grains could explain a fundamental tectonic force

The theory may provide an origin story for subduction.

New research unveiled structures deep inside the Earth

Most of what we know about the interior of the Earth comes from the study of seismic waves from earthquakes. These waves contain vital...

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