资料来源 : pyDict

休仑统

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Huronian \Hu*ro"ni*an\, a. [Named from Lake Huron.] (Geol.)
   Of or pertaining to certain non-fossiliferous rocks on the
   borders of Lake Huron, which are supposed to correspond in
   time to the latter part of the Arch[ae]an age.