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- During his journey the incredible diversity of life in the Early Cretaceous Period is revealed. 从它的旅程当中还可看到种种早期白垩纪的生物。
- The flourishing of the Jehol Biota is related to the unique, warm, fresh water and continental environment of East Asia in the Early Cretaceous. 热河生物群的繁盛和东亚地区当时特有的温暖的淡水和陆地环境具有密切的联系。
- The dominant vegetation on land in the early Cretaceous was forests of cycads, conifers, gingkgoes and ferns. 在白垩纪早期陆地上占统治地位的植被是苏铁,针叶树,银杏和蕨类。
- The fourth occurred at the end of the Early Cretaceous, showing titling with weak faulting and folding. 其四发生在早白垩世末期,表现为掀斜运动,褶皱和断裂作用相对较弱。
- The third period is the Jiamuhe group overmature dry gas in the late Jurassic Period to the early Cretaceous. 第三期是佳木河组过成熟干气,成藏期在侏罗纪到早白垩世。
- The late Early Cretaceous palynoflora is basically similar to that of the early Early Cretaceous, but content of Cheirolepidiaceae decreases sharply. 晚期孢粉植物群的主要成员与早期孢粉植物群基本一致,不同的是掌鳞杉科植物含量大幅度下降。
- Dayangshu Basin was suffered extension again during Ganhe stage of the Early Cretaceous, a series of small NNE trending fault depressions formed. 早白垩世甘河期,大杨树盆地再次受到伸展作用,形成了一系列北北东向小型断陷。
- Apatite fission track data suggest that the early Cretaceous strata in the Liupanshan basin were subjected to two burial heating events. 磷灰石裂变径迹研究表明,六盘山盆地白垩系地层经历两次埋深加热事件。
- ZHOU Zhong-he.Discovery of a new enantiorithine bird from the Early Cretaceous of Liaoning,China[J].Vertebrata PalAsiatica,1995,33(2):99-113. [19]周忠和.;辽宁早白垩世一新的反鸟化石[J]
- SHA Jin-geng.Major achievements in studying the Early Cretaceous biostratigraphy of eastern Heilongjiang[J].Earth Science Frontiers,2002,9 (3):95-101. [3]沙金庚.;黑龙江东部早白垩世生物地层学研究的主要进展[J]
- South America in the Early Cretaceous was the stage for the ultimate hunt: the largest predator ever, stalking the largest prey of all time. 在早期白垩纪的南美洲完全就是一个捕猎场:数量最多的猎食者捕食体积最大的猎物的场景反复上演。
- Chifeng basin is a continental downfaulted basin which developed from late Jurassic,and the mainly basining period was in the early Cretaceous. 赤峰盆地是一个晚侏罗世晚期发展起来的陆相断陷盆地,主成盆期为早白垩世。
- The applications of various isotope-dating techniques have indicated that the Jehol Biota belongs to the Early Cretaceous, living on earth for around 20 million years. 同位素测年技术的广泛应用,表明热河生物群属于早白垩世,在地球上延续了大约2千万年。
- SHA Jin-geng.Major achievements in studying the Early Cretaceous biostratigraphy of eastern Heilongjiang [J].Earth Science Frontiers, 2002,9 (3): 95-101. [9]沙金庚.;黑龙江东部早白垩世生物地层学研究的主要进展[J]
- ZAN Shu-qin,CHEN Jun,JIN Li-yong,et al.A primitive omithopod from the Early Cretaceous Quantou Formation of central Jilin,China [J].Vertebrata Palasitica,2005,43(3):182-193. [1]昝淑芹;陈军;金利勇;等.;吉林省中部早白垩世泉头组-原始鸟脚类恐龙[J]
- Moreover, the Jixi and Longzhaogou Groups, with the age of the Early Cretaceous undoubtedly, can be correlated based on the present biostratigraphic references. 根据生物地层学证据,可将鸡西群和龙爪沟群进行对比,它们的时代无疑应为早白垩世。
- The Jehol Biota refers to the old biota living in North China , Mongolia , Siberia , Korea and Japan , in the early Cretaceous period ,100 million years age . 热河生物群是指距今一亿多年的白垩纪早期在我国北方、蒙古、西伯利亚、以及朝鲜和日本等地生活的古老生物群。
- Studies on the Early Cretaceous Longzhaogou and Jixi Groups of eastern Heilongjiang , northeast China , and their bearing on the age of supposedly Jurassic strata in eastern Asia . - Journal of Asian Earth Sciences 20 (2): 141-150. -见中国科学技术协会,国家自然科学基金委员会(主编)科学发展蓝皮书,2002卷:349-351;合肥(中国科学技术出版社)。
- The Ce/Ce* and Ceanom indexes indicate that the palaeoenvironment of the Early Cretaceous mudstone in the Suibin Depression was a reduction environment and is profitable for the oil and gas formation. Ce/Ce*和Ceanom指数显示绥滨坳陷早白垩世各组泥岩的古环境均为还原环境,对油气生成十分有利。
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