华北克拉通南缘汝阳群大型具刺疑源类时代再厘定及早期真核生物群演化意义* |
彭楠 |
Recognition of geological age for acanthomorphic acritarchs from the Ruyang Group,southern margin of North China Craton and its implication for evolution of early eukaryotes |
河南汝州阳坡村洛峪口组实测剖面及采样位置(据 左景勋等,1997 ; 苏文博等,2012 ;略有修改) a—凝灰岩夹层(绿色);b—凝灰岩显微结构特征(单偏光) |