- Mohawkian series
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• мохокэн• средняя часть ордовика Северной Америки
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Canadian Epoch — The Canadian is the Lower or Early Ordovician in North America. The term is common in the older literature and has been well understood for more than a century. However is has no official recognition by the ICS* and has been superseded by the… … Wikipedia