Abstract

As global reconstructions for the Early Palaeozoic (Cambrian, Ordovician and Silurian periods) are now becoming more reliable, ancient atmospheric and oceanic circulation patterns may now be modelled with increasing confidence. Here we examine previous studies on Early Palaeozoic palaeoceanography. It is assumed that past circulation patterns were governed by the same factors that govern them today. We here introduce some hypothetical base maps that predict the possible locations of ancient surface water currents, the position of oceanic gyres and possible ancient upwelling zones.

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