The lithophile elements in ordinary and carbonaceous chondrite groups may display either chalcophile or siderophile nature in enstatite chondrites.
or arrived as part of a late-accreting veneer of water-rich meteorites, similar to the carbonaceous chondrites that we see today;
That is a necessary but not a sufficient condition, as the type of rock involved, called carbonaceous chondrite, is found in other asteroids, too.