Tag Archive for 'Earth's core'

The inner core of our planet has an inner core of its own, with crystals aligned in a different direction. Image credit: Lachina Publishing Services.

Earth’s Inner Core ‘Only’ 1 – 1.5 Billion Year Old, New Study Says

Oct 8, 2015 by News Staff

The Earth’s deepest layer – the inner core – was formed between a billion and 1.5 billion years ago as it ‘froze’ from the surrounding molten...

Schematic illustration of Earth's magnetic field. Image credit: Peter Reid / University of Edinburgh.

Earth’s Core Region beneath Southern Africa May Be Trigger for Magnetic Pole Reversals

Jul 29, 2015 by News Staff

A group of scientists – led by Dr John Tarduno from the University of Rochester, NY – has recovered a magnetic field record from minerals for Iron...

A simplified image of a slab from one of Earth’s tectonic plates sinking through the upper mantle above, through the boundary between the upper and lower mantle 410 miles deep, then stalling and pooling at a depth of 930 miles, where the new study suggests the existence of an extremely viscous layer in Earth. Image credit: Lowell Miyagi / University of Utah.

Geologists Discover New Layer in Earth’s Mantle

Mar 24, 2015 by News Staff

New research led by Dr Hauke Marquardt of the University of Bayreuth, Germany, suggests the existence of a previously unknown superviscous layer inside...

Earth. Image credit: Kelvin Song / CC BY-SA 3.0.

Planetary Scientists Shed New Light on Earth’s Core Formation

Mar 3, 2015 by News Staff

Violent collisions between the infant Earth and other objects in our Solar System generated significant amounts of iron vapor, says a group of researchers...

Inner Core of Earth Has Its Own Inner Core, Geologists Say

Feb 10, 2015 by News Staff

An international team of geologists, headed by Prof Xiaodong Song from the University of Illinois at Urbana-Champaign and Nanjing University in China,...

Early Earth. Image credit: Peter Sawyer / Smithsonian Institution.

Basalt Helps Scientists Understand How Earth’s Crust Formed

Nov 7, 2013 by News Staff

European scientists examined liquid basalt at record high pressures and temperatures to better understand how our planet evolved billions of years ago. Early...

Dr Livermore's team used a model of the Earth's core which was run on the giant super-computer Monte Rosa in Lugano, Switzerland. The scientists were able to simulate the Earth's core with accuracy about 100 times better than other models. Image credit: Philip W. Livermore et al.

Earth’s Inner Core ‘Superrotates’ in Eastward Direction, Scientists Say

Sep 17, 2013 by News Staff

British scientists have answered the question about which direction the centre of our planet spins. The inner core, made up of solid iron, superrotates...

The layers of the Earth and their temperatures (European Synchrotron Radiation Facility)

Scientists: Earth’s Core Hotter than Previously Thought

Apr 29, 2013 by Sergio Prostak

French researchers have determined that the temperature of the Earth’s core is 10,800 degrees Fahrenheit (6,000 oC) – about 1,800 oF (1,000 oC)...