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taconic system造句

"taconic system"是什么意思  
造句与例句手机版
  • A scientific disagreement with New York State Geologist James Hall regarding the age of the rocks in the Taconic System led Emmons to leave New York state.
  • In 1844 Emmons for the first time obtained fossils in his Taconic system : a notable discovery because the species obtained were found to differ from all then-known Palaeozoic fossils, and they were regarded as representing the primordial group.
  • Emmons held that the Taconic System rocks, were of Cambrian age, but Hall was convinced that they were Ordovician in age . ( Emmons was ultimately found to be correct . ) As a result of the dispute, Emmons was banned from the practice of geology in the state of New York and sued Hall for slander and libel.
  • It's difficult to see taconic system in a sentence. 用taconic system造句挺难的
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