Sentences with phrase «chondrite samples»

Not exact matches

Like a chemical fingerprint, the isotopic ratio between Earth's samples and the carbonaceous chondrites» samples matched.

But the chondrite signatures are too heavy to explain the deep Earth samples, Hallis says.

In the samples of mantle gas taken by Holland and his colleagues, the krypton measurements were heavy, producing «something that looks rather like gases that are trapped in primitive chondrites today,» Pepin says.

One type, called carbonaceous chondrites, contain some of the most - primitive known samples of Solar System material, including a lot more xenon than is found in our own planet's atmosphere.