trenton period

1 definition found

trenton period - Collaborative International Dictionary of English v.0.48 :

  Trenton period \Tren"ton pe"ri*od\ (Geol.)
     A subdivision in the lower Silurian system of America; -- so
     named from Trenton Falls, in New York. The rocks are mostly
     limestones, and the period is divided into the Trenton,
     Utica, and Cincinnati epochs. See the Chart of Geology.
     [1913 Webster]