Chronostra-what? The long word may be new to you, but you’ll find the concept familiar. Case in point: Jurassic Park. You can thank chronostratigraphy for the name, even though any dino nerd will tell ...
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) ...
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