Abstract
The question of the survivability of quark nuggets against the process of baryon evaporation from their surfaces is studied within the context of a dynamical model, namely, the chromoelectric flux-tube fission model of baryon formation and evaporation. Depending on the temperature at which nuggests are formed in the early Universe and the value of the bag constant $B$, our conservative estimates (we overestimate the baryon evaporation rate) show that quark nuggets with an initial baryon number \ensuremath{\sim}${10}^{44}$ or more can survive the evaporation process and be present in the Universe today.
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