The...Searing Chasm? That's earlier than 12,000 B.G., right? We need it to be in 65,000,000 B.G. or else it just won't work out, since Dreamstone is quite rare in the Archaic Era as it is and after Zeal fell no more was discovered, not even by the more technologically advanced people of 1999 A.F. or else Robo would have recognized Dreamstone when it was mentioned by Melchior.
(Forgive me...I should recognize a name like that by now but my mind is wandering...)