News tagged with crust

Deep recycling in the Earth faster than thought

The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...

Aug 10, 2011
4.5 / 5 (4) 18 | with audio podcast

Diamonds pinpoint start of colliding continents

Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. ...

Jul 21, 2011
4.6 / 5 (5) 1 | with audio podcast

The Atlantic 'resting' -- for now

Geophysicists have simulated when the continents around the Atlantic develop active continental margins with earthquakes and volcanoes. According to the model, ‘real’ fully active subduction zones ...

May 23, 2011
4 / 5 (2) 2

Mars Express sees deep fractures on Mars

Newly released images from ESA's Mars Express show Nili Fossae, a system of deep fractures around the giant Isidis impact basin. Some of these incisions into the martian crust are up to 500 m deep and probably ...

May 06, 2011
5 / 5 (3) 7 | with audio podcast

NASA instrument gets close-up on Mars rocks

(PhysOrg.com) -- NASA's Mars Science Laboratory rover, Curiosity, will carry a next generation, onboard "chemical element reader" to measure the chemical ingredients in Martian rocks and soil. The instrument ...

Feb 21, 2011
5 / 5 (2) 1 | with audio podcast

When continents formed

A new way to calculate the age of the Earth's crust has been developed by researchers from the University of Bristol and the University of St Andrews.

Jan 13, 2011
3.2 / 5 (5) 2 | with audio podcast