Sentences with phrase «same isotopic composition»

Not exact matches

But planetary bodies that formed in different parts of the solar system generally have different isotopic compositions, so different that the isotopic signatures serve as «fingerprints» for planets and meteorites from the same body.

The measurements show that 4 - Vesta contains the same hydrogen isotopic composition as carbonaceous chondrites, which is also that of Earth.

The UniChem connectivity search function allows users to find not only exact matches of their chemical structure across 60 million related molecules from 21 data sources worldwide, but also identifies «equivalent» structures that have the same atom connectivity while differing in stereochemistry or isotopic composition, or which exist in a different salt form.

[Response: My recollection is that Zachos had the same observation from ODP cores, that surface - dwelling forams were either isotopically heavy or light, never transitional, but bottom - dwellers could be found with transitional isotopic composition.