Dayangshu Basin was in extensional setting in the Quaternary period, and a series of small extensional half-grabens were formed.
第四纪大杨树盆地具有伸展的特征，发育一系列小型伸展断陷。
The west branch fault has been of strongly active since the Quaternary period and its activity is of difference at different segements.
西支断裂第四纪以来活动强烈且具明显的差异性，东支断裂从晚第三纪末起已停止活动。
H. Rotary used in conjunction with slurry pump can be used for the drilling of rock, slurry wall for loosen stratum of the Quaternary period and deep hole drilling in.
回转配用泥浆泵进行岩石钻进及第四纪松散地质层的泥浆护壁和深孔钻进。
The Luannigou ore field riches with alluvial gold of Quaternary Period and is the favorable target for rock gold.
乱泥沟矿区第四系砂金矿产丰富，是寻找岩金的有利靶区。
Therefore, the area is typical to study the environmental change of China, even of the globe since Quaternary Period, especially since the Holocene Epoch.
所以该地区是研究第四纪以来，特别是全新世以来中国及全球环境变化的典型地区。
The Cenozoic era is composed of tertiary period followed by quaternary period.
新生代是由第三纪和第四纪组成的。
The steady (subsidence) stage of the Quaternary was the period of biogas accumulation.
第四纪盆地稳定沉降阶段为生物气聚集成藏时期。
Woolly mammoths died out during the late quaternary period.
猛犸象在第四纪晚期灭绝了。
The new data have been provided for the lake evolution, the climate change, the paleogeographic changes and the divide Quaternary period.
为研究该区湖泊演化、气候变化、古地理变迁及第四系划分等提供了新资料。
This paper is about studying all the layers of Lamadian oilfield from K 2n 2 to the Quaternary for finding the reserve during the middle to later period of development in the oilfield.
浅气层在喇嘛甸油田主要指嫩二段至第四系地层中的含气层段。
This paper is about studying all the layers of Lamadian oilfield from K 2n 2 to the Quaternary for finding the reserve during the middle to later period of development in the oilfield.
浅气层在喇嘛甸油田主要指嫩二段至第四系地层中的含气层段。
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