cretaceous fossils 中文意思是什麼

cretaceous fossils 解釋
  • cretaceous : adj. 白堊(質)的。 cretaceous period [system] 【地質學;地理學】白堊紀[系]。n. 〈C-〉 【地質學;地理學】白堊紀[系]。
  1. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

  2. Many large vertebrate fossils were discovered in the sandstone of the late early cretaceous - early lat cretaceous albian - cenomanian houshigou formation during regional geological survey of the 1 : 250000 jixi city sheet

    摘要在1 : 25萬雞西市幅區域地質調查中,于早白堊世晚期晚白堊世早期阿爾布賽諾曼期猴石溝組砂巖中發現大型脊椎動物化石。
  3. The assemblage and characters of floras and sporo - pollen fossils in the cretaceous red - bed basin of taining county, fujian province