n.下第三系，早第三纪
adj.下第三系的，早第三纪的
cretaceous paleogene───白垩纪-古近纪
It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.───它说明了虱子的历史非常久，在白垩纪-早第三纪过渡期之前，而且也肯定是寄生在某种生物上的。
Melut Basin is a large-scale basin of the Cretaceous-Paleogene sediment in the southeastern Sudan.───迈卢特盆地是苏丹东南部中—新生代的一个大型陆内裂谷盆地。
fossil record continues to show that the origin of modern placental mammals postdates or is at the Cretaceous-Paleogene boundary, ” he said.───他说：“化石记录一再证实现代胎盘类哺乳动物的起源是在白垩纪-早第三纪分界点的时候或那之后。
In Triassic-Paleogene Formation, mechanical compaction was as important as pres solution, and the most original pore was preserved.───三叠纪-古近纪拗陷盆地的成岩作用表现为机械压实和化学压实作用并重，原生孔隙多被保留；
Detailed geochronological study shows the mainly eruption ages of these volcanic rocks are Late Cretaceous- Paleogene.───年代学研究表明，乍得西南部盆地内火山岩的主体喷发时代为晚白垩世-古近纪。
This fault activated in the Cretaceous-Early Paleogene when it thrusted northwards and ceased downwards in the Lower-Middle Cambrian salts.───该断裂在白垩纪—古近纪早期活动，向北冲断，向下收敛于中-下寒武统膏盐层。
Through deposit and structural sequence analysis in the basin, staged an evolution model of the Paleogene tectonic activities.───通过盆地沉积及构造序列分析，初步建立了该区晚古近纪构造运动阶段性演化模式。
The Paleogene is a period when the Tarim Basin transformed from a marine influenced to a non-marine influenced basin.───古近纪是塔里木盆地由海向陆转化的时期。
The understandings for sedimentary environment of Paleogene Huangxian Formation in Huangxian basin are different, or suggesting it as inland fresh water lacus, or considering it as coastal lagoon.
The structural deformation of the Paleogene is characterized evidently by thrust block and broad folds.
In late Paleogene, the collision between the Indian and the Eurasian plates led to oblique compression and dextral strike-slipping in SW Yunnan, inducing the transpressional basin.
The gas cap pools, mainly distributed in Paleogene, are formed by spillover of undissolved gas in high saturated oil pools.
Based on the causer analysis, the Paleogene alluvial fan is proposed as piedmont alluvial fan sourced by the carbonate hinterland under a dry climate.
Paleogene Oligocene Linhe formation ( E _ 3 J ) and Eocene Wulate formation ( E _ 2 wl ).
The Kelasu triangle zone occurs under the Paleogene evaporites in Kelasu anticline zone of Kuqa thrust-and-fold belts, Tarim basin (Northwest China).
Paleogene Shahejie formation is interstratified between sandstone and mudstone, "self-generation, self-reservoir and self-seal" pool-forming types are common.
A harzburgite xenolith sample from Paleogene basalts in Shuangliao area of Jilin Province records the information of upper mantle metasomatism.