RE: Rampant Optimism Just for Fun Oops, I got it backwards. If the plate is moving northwest and the hot spot is fixed, then Guama is older than Romero in my scenario. Anyway. as you can imagine, I am well out of my depth and am really asking the open question: "Can we make a case for Guama having enjoyed a deposition in an earlier epoch with greater aerial extent and greater concentrations of precious metals than its neithbour?