Science Frontiers Online
“Note, too, that creationists employ radiohalos to attempt to prove that the earth is really young.”
The diamonds we mine today were, according to prevailing wisdom, formed about 3 billion years ago, at depths of 150-300 kilometers, where pressures of 725,000-1,000,000 psi are believed to exist.
“The fact that fully formed, optically visible internal radiohalos in diamonds are now presented casts a considerable shadow over current theories of diamond genesis.”
Actually, the radiohalos pose three challenges to diamond-genesis theory.