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Terms for subject Geology containing period | all forms
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Cambrian period寒武纪 (system)
Carboniferous period石灰纪 (system)
Cretaceous period白垩纪 (system)
Devonian period泥盆纪 (system)
Eogene period早第三纪 (system)
fold period褶皱期
Jurassic period侏罗纪 (system)
mountain building period造山期
Neogene period晚第三纪 (system)
Ordovician period奥陶纪 (system)
palaeogene period古〔早〕第三纪
Paleogene period早第三纪 (system)
Permian period二叠纪 (system)
Precambrian period前寒武纪 (system)
Presinian period前震旦纪 (system)
Quaternary period第四纪〔系〕
Quaternary period第四纪 (system)
Silurian period志留纪 (system)
Sinian period震旦纪 (system)
Tertiary period第三纪 (system)
Triassic period三叠纪 (system)