Meteorites NWA7533 and NWA7034, which fell in Morocco a few years ago , are fragments of the Martian crust , which separated from the surface of the red planet about 4.4 billion years ago, making them the oldest fragments of Mars at the disposal of scientists said in a paper published in the journal Nature. For today in the world there are several dozen meteorites , which are fragments of ancient Mars, a breakaway from him in the fall of large asteroids. Read the rest of this entry »
Tag Archives: crust
The Atlantic Ocean about halfway between the Cape Verde Islands and the Caribbean. At this point in the earth’s crust, usually under the oceans reaches a thickness of 6-7 km, for some reason, just was missing.
Usually, when tectonic plates diverge, the space between them is filled with a rising from the depths of the mantle material, which is molten, magma forms, but in this place something has broken down, and the earth’s crust, apparently, has not recovered, – said the scientists. Read the rest of this entry »