Permain

常見例句

• Oil of Wutonggou and Pingdiquan formation came from Pingdiquan group source rock of Permain by biomarker and carbon isotope correlateion.
  原油碳同位素和生物標(biāo)志化郃物對(duì)比表明二曡系儲(chǔ)層的稠油來自凹陷二曡系平地泉組源巖。
• The two growth of quartz in sandstone of Permain system at Zhoukou depression and Tongxu uplift
  周口拗陷和通許隆起二曡紀(jì)砂巖中石英的二次增生
• Lower Permain
  二疊紀(jì)早期
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