|
Home / News / Tags / plate tectonics
|
|
Stories about: plate tectonics |
|
|
More than 500 fossils of teeth and bones belonging to species of rodents, horses, crocodiles and turtles found near the Panama Canal, dated to have lived as far as 20 million years ago could provide some information regarding the period when the North and South American continents became connected to each other, say ... |
18 July 2008
05:59 GMT |
 |
|
Nearly 300 million years ago, the world's last known supercontinent, Pangaea, started breaking up, eventually forming the seven continents we see today. Heat radiating from Earth's molten iron and nickel core is released to the outermost layers of the mantle through convection, which can also be held respon... |
7 July 2008
05:58 GMT |
|
|
The molten rock inside the planet's mantle is in continuous motion as heat is convected from the inner regions towards the outer ones, forming the so-called convection cells where the hot material is being pushed upwards and the colder one falls back down in the vicinity of the core. The motion of this material ... |
3 July 2008
09:59 GMT |
|
|
Forty million years may seem a lot compared to a human life, but when it comes to the forming of a mountain range such as the Andes that's incredibly fast. A study published recently reveals that a typical mountain range could double its height in as little as two million years, a couple of times faster than sug... |
6 June 2008
06:08 GMT |
|
|
It's quite obvious that the Earth is going through a climate change that may have effects far more serious than a slight heating of the atmosphere. A prolonged heating, as a new study suggests, could bring our planet into a situation similar to that of Venus, whose crust became locked in place."The heat required... |
13 May 2008
05:33 GMT |
|
|
The previous model regarding Earth's interior put things very simply. The Earth is made up of several distinct layers sitting on top of each other. The first and outermost layer is the crust, spanning over 25 kilometers towards the center of the planet. Next comes the mantle, a thick, dense layer of silicate roc... |
5 May 2008
09:48 GMT |
|
|
Five hundred million years ago, the Earth had a single supercontinent, Gondwana, located in the southern hemisphere, but one hundred and eighty million years ago it suddenly split. Different pieces of Gondwana started moving apart from each other, thus creating the seven continents we know today. The mystery of why t... |
21 March 2008
07:26 GMT |
|
|
Although Mars doesn't look much like a planet ravaged by volcanic activity in the past, it is clear that it had to go through such a stage in its history. Now, new observations conducted with ESA's Mars Express spacecraft reveal the actions of lava flows and water on the surface, and how these molded the Ma... |
14 March 2008
11:04 GMT |
|
|
This may seem good news for people living in areas with increased seismic activity; however, it is anything but good. A new study involving the Earth past geological activity suggests that the plate tectonics could have come to a complete halt somewhere about 30 to 50 million years ago, and may do so in a distant fut... |
7 January 2008
06:40 GMT |
|
|
The search for planets outside the solar system ultimately resulted in the discovery of Earth-like planets, or super-Earth and they are generally rocky planets slightly bigger than our planet, so astronomers are speculating what the conditions on those planets might be like. Harvard scientists suggest that Earth-lik... |
22 November 2007
11:14 GMT |
|
|
|
|
