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Diagram showing the relationship of the strata in five successive sections, in a compound regressive-transgressive series. The intercalated sandstone xy encloses the hiatus.

Compound Regressive-Transgressive Series

Diagram showing the relationship of the strata in five successive sections, in a compound regressive-transgressive…

Diagram showing the relative magnitude of the hiatus in the various sections in a compound regressive-transgressive series.

Magnitude of the Hiatus

Diagram showing the relative magnitude of the hiatus in the various sections in a compound regressive-transgressive…

Diagram showing the relationships of a transgressive-regressive-transgressive series. A hiatus is found at the base of the transgressive series and between the regressive and upper transgressive series. Owing to the vertical exaggeration of the scale the essential parallelism of the strata is not expressed.

Transgressive-Regressive-Transgressive Series

Diagram showing the relationships of a transgressive-regressive-transgressive series. A hiatus is found…