Aptian相关论文
New Material of Feilongus (Reptilia: Pterosauria) from the Lower Cretaceous Jiufotang Formation of W
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Aptian–Albian series are characterized, in Tunisia, by several variations in subsidence rates and records discrete ......
The Khami group within the petroliferous Zagros Basin of Iran includes the Surmeh, Hith, Fahliyan, Gadvan and Dariyan fo......
New Material of Feilongus (Reptilia: Pterosauria) from the Lower Cretaceous Jiufotang Formation of W
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在龙爪沟群七虎林组中识别出多个时代分布仅限于早白垩世晚期至晚白垩世早期的双壳类化石属,其中,Vectianella Casey和Pseudaphrodin......
以往发表的年代地层数据都是以Ma形式出现,以关键物种的首现面和末现面来界定的.一般而言,这些年龄是在用某种方法确定的某两个层......