BLOUNTIAN OROGENY


Meaning of BLOUNTIAN OROGENY in English

a mid-Ordovician episode of mountain building about 460 million years ago in the central Appalachians; evidence of this event consists of a clastic wedge of sediments of mid-Ordovician age in eastern Tennessee. The Blountian probably is an event marking an early phase of the Taconic orogeny.

Britannica English vocabulary.      Английский словарь Британика.