“Planetary geologists, however, know little about the lower mantle of the Moon, so no one knows whether it is chondritic.”

“Pre-planetary solids, fine dust, and chondritic components are central elements linking these studies.”

“Howardites are shown as the result of such impact, they are mechanical mixtures of clasts of eucritic and diogenitic material, with a minor carbonaceous chondritic component.”