On the stratigraphy of beds younger than Ludlovian and the Silurian-Devonian boundary in Poland and Europe

Lech Teller

Abstract


The age of strata -younger than Ludlovian is discussed. In the Polish and the European literature they are referred to the Silurian but at the same time they are incorrectly correlated with the typical Ludlow of England. In the writer's opinion these strata, being younger than Ludlovian, seem to deserve a separate name - the equivalent of a stage - whereas this stage should be included into the Silurian. The writer postulates that the Silurian-Devonian boundary be established in the top of the Monograptus hercynicus zone, and he suggests a revision of that boundary as established by R. I. Murchison.


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