THE development of reliable methods of world-wide stratigraphic correlation involves the gradual replacement of empirical and traditional ‘index fossils’ by zonal index species selected on the basis ...

This is a preview. Log in through your library . Abstract Short stratigraphic sections in apparently monotonous strata pose several challenges to high-resolution (<1 m) correlation. A lack of ...

The Carboniferous period is pivotal in the geological record, marked by intricate stratigraphic sequences and diverse microfossil assemblages that reveal past environmental conditions and tectonic ...

Stages and formations at the Cretaceous-Tertiary boundary are discussed on the basis of their type localities and their equivalents in other regions, with evidence presented as to the stratigraphic ...

The Devonian (419.2-358.9 Ma) is the first geological period of the late Paleozoic, spanning about 60.3 Ma from the end of the Silurian, and its beginning is marked by the First Appearance Datum (FAD) ...