ratios are incorrect. Clearly, more r-process-rich stars with Th determinations will eventually better constraint the possible (Th/Eu)$_{initial}$ range, but based on current data, our upper-limit on Th argues against the r-process as the solution to the abundance pattern in CS 31062-050.

\[Eu/Tb\]
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The ratio of the predominately r-process elements Eu and Tb provide even stronger evidence that no combination of [$r_{ss}$]{} and [$s_{ss}$]{} or current models for the metal-poor s-process can fully explain the abundnaces measured in CS 31062-050. According to Arlandini [et al.]{} (1999), 94.2% of the solar system Eu is due to the r-process as is 92.8% of the solar system Tb. Therefore, only a small variation in the ratio of Eu/Tb can be produced if we confine ourselves to the solar system patterns. A pure r-process results in Eu/Tb of 1.52, and a pure s-process results in Eu/Tb of 0.625. Neither pure [$s_{ss}$]{} nor pure [$r_{ss}$]{} nor any combination of those two can create the Eu/Tb=3.1 that we measure in CS 31062-050. These predictions for [$r_{ss}$]{} for Eu and Tb are the result of subtracting [$s_{ss}$]{} from the total solar abundances, so the predictions for the two processes are correlated. In this case, given the overwhelming 