Sentences with phrase «rich rock fragments»
At least one team has discovered water - rich rock fragments in volcanic debris originating from the mantle.
https://www.newscientist.com/ Not exact matches
The Almahata Sitta meteorites, a few hundred rock fragments that rained down on Sudan's Nubian Desert in 2008, included a number of coarse - grained, carbon - rich fragments known as ureilites.
This could mean that it is similar to water - rich objects in the outer edge of the asteroid belt, or it could mean that Phobos is a rubble pile, with many empty cavities between rock fragments.