News tagged with ocean crust

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

Phenomenon of plate tectonics explained

Transform faults subdivide the mid-ocean ridge into segments. Up until now, it was thought that these faults were ruptures that formed in less stable crust areas. Taras Gerya has recorded a model of the dynamics ...

Aug 31, 2010
4.7 / 5 (7) 0

Water Planets

Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.

Jan 22, 2010
4.6 / 5 (18) 4 | with audio podcast