語言選擇:
免費網上英漢字典|3Dict

Medina epoch

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Medina epoch \Me*di"na ep"och\ [From Medina in New York.]
   (Geol.)
   A subdivision of the Niagara period in the American upper
   Silurian, characterized by the formations known as the Oneida
   conglomerate, and the Medina sandstone. See the Chart of
   {Geology}.
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z