I read it but I am not sure I have the science background to understand how they arrived at the conclusion.
Part of it may be the way that science articles are written. There is an assumption of some background knowledge of terms and buzz words that I’m evidently deficient in.
All they are claiming is that a different type of chondrite is the basic building block of the Earth.
The headline is terrible, but many these days are. I thought the article was going to be about the collision that formed the Earth and Moon.