TERMIUM Plus®

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MIDDLE ORDOVICIAN [1 record]

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Alphabetical list of terms

Record 1 2006-02-27

English

Subject field(s)
  • Chronology
  • Geology
CONT

The Middle Ordovician is the second subdivision of the Ordovician period. During this time warm shallow sea covered much of the land, and was home to a rich diversity of marine life.

OBS

Middle series of the Ordovician, consists of the Chazyan and the Mohawkian, or of the American stages: Whiterock, Marmor, Ashby, Porterfield, Wilderness and Barneveld.

French

Domaine(s)
  • Chronologie
  • Géologie
PHR

Ordovicien moyen champlainien.

Spanish

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