Berriasian stage
简明释义
贝利亚斯阶;
英英释义
The Berriasian stage is the earliest stage of the Late Jurassic epoch, characterized by specific geological and paleontological features. | 贝里亚斯期是晚侏罗世的最早阶段,其特征是特定的地质和古生物特征。 |
例句
1.Research on the Berriasian stage has revealed new species of dinosaurs that roamed the earth.
对贝里亚斯期的研究揭示了新的恐龙物种曾在地球上游荡。
2.The stratigraphic layers from the Berriasian stage provide valuable insights into climate changes of that era.
来自贝里亚斯期的地层为了解那个时代的气候变化提供了宝贵的见解。
3.The fossils discovered in this region date back to the Berriasian stage, which is known for its rich marine life.
在该地区发现的化石可以追溯到贝里亚斯期,该时期以丰富的海洋生物而闻名。
4.During the Berriasian stage, significant tectonic activity shaped the landscape of Europe.
在贝里亚斯期期间,显著的构造活动塑造了欧洲的地貌。
5.Geologists often refer to the Berriasian stage when discussing the early Cretaceous period.
地质学家在讨论早白垩纪时常常提到贝里亚斯期。
作文
The geological time scale is a system that categorizes the history of Earth into various periods, epochs, and stages. One of the notable stages in this classification is the Berriasian stage, which marks the beginning of the Late Jurassic period. This stage is significant for several reasons, including its rich fossil record and its role in understanding the evolution of dinosaurs and other prehistoric life forms. The Berriasian stage spans from approximately 145 to 139 million years ago, during a time when the Earth was experiencing substantial geological and climatic changes.During the Berriasian stage, the continents were arranged differently than they are today. The supercontinent Pangaea had begun to break apart, leading to the formation of new ocean basins and the reconfiguration of landmasses. This process had a profound impact on global climate and sea levels, which in turn influenced the habitats available for various species. Fossils from this stage provide valuable insights into how life adapted to these changing environments.One of the most fascinating aspects of the Berriasian stage is its contribution to our understanding of dinosaur evolution. During this time, we see the emergence of some of the earliest known dinosaurs, including early theropods and sauropods. These creatures would go on to dominate the Mesozoic era, showcasing a remarkable diversity in size, shape, and ecological niche. The fossilized remains found in regions such as Europe and North America have helped paleontologists piece together the evolutionary history of these iconic animals.In addition to dinosaurs, the Berriasian stage is also characterized by a variety of marine life. The oceans were teeming with ammonites, belemnites, and other cephalopods, which played crucial roles in the marine ecosystems of the time. The presence of these organisms indicates a thriving aquatic environment, which was essential for the food chain and overall biodiversity. Studying these fossils allows scientists to reconstruct ancient marine habitats and understand the dynamics of prehistoric ecosystems.The sedimentary rocks formed during the Berriasian stage also provide important clues about the Earth's past climates. By analyzing the chemical composition of these rocks, researchers can infer information about temperature, precipitation, and even atmospheric conditions during this period. Such data is invaluable for understanding how climate change has occurred throughout Earth's history and how it has impacted life.In conclusion, the Berriasian stage is a critical period in Earth's geological history that offers a wealth of information about the evolution of life and the changing planet. From the rise of early dinosaurs to the vibrant marine ecosystems, this stage highlights the interconnectedness of geological and biological processes. As we continue to study and learn from this fascinating time, we gain a deeper appreciation for the complexity of Earth's history and the resilience of life in the face of change.In summary, the Berriasian stage (贝里亚阶段) is not just a marker on the geological timeline; it represents a pivotal moment in the story of life on Earth. Understanding this stage helps us comprehend the evolutionary pathways that have shaped the biodiversity we see today.
地质时间尺度是一个将地球历史分类为各种时期、纪元和阶段的系统。其中一个显著的阶段是Berriasian stage(贝里亚阶段),它标志着晚侏罗世时期的开始。这个阶段因其丰富的化石记录以及在理解恐龙和其他史前生物的演化中的重要性而显得尤为重要。Berriasian stage大约从1亿4500万年前到1亿3900万年前,这一时期地球经历了重大地质和气候变化。在Berriasian stage期间,大陆的排列与今天截然不同。超大陆盘古开始分裂,形成新的海洋盆地和重新配置的陆地。这一过程对全球气候和海平面产生了深远影响,进而影响了各种物种可用的栖息地。来自这一阶段的化石为生命如何适应这些变化的环境提供了宝贵的见解。Berriasian stage中最引人入胜的方面之一是它对我们理解恐龙演化的贡献。在这一时期,我们看到一些已知最早的恐龙的出现,包括早期的兽脚类和蜥脚类。这些生物后来将主宰中生代,展示出在大小、形状和生态位上的显著多样性。在欧洲和北美等地区发现的化石帮助古生物学家拼凑出这些标志性动物的演化历史。除了恐龙,Berriasian stage还以多样的海洋生物为特征。海洋中充满了菊石、箭石和其他头足类动物,它们在当时的海洋生态系统中发挥了至关重要的作用。这些生物的存在表明,古代水域生机勃勃,对食物链和整体生物多样性至关重要。研究这些化石使科学家能够重建古代海洋栖息地,并理解史前生态系统的动态。在Berriasian stage期间形成的沉积岩也提供了有关地球过去气候的重要线索。通过分析这些岩石的化学成分,研究人员可以推断出关于温度、降水量甚至大气条件的信息。这些数据对于理解气候变化如何在地球历史上发生以及如何影响生命至关重要。总之,Berriasian stage是地球地质历史中一个关键的时期,为我们提供了关于生命演化和地球变化的丰富信息。从早期恐龙的崛起到生机勃勃的海洋生态系统,这一阶段突显了地质和生物过程之间的相互联系。随着我们继续研究和学习这一迷人的时期,我们对地球历史的复杂性和生命在变化面前的韧性有了更深的理解。总之,Berriasian stage(贝里亚阶段)不仅是地质时间线上的一个标记;它代表了地球生命故事中的一个关键时刻。理解这一阶段有助于我们理解塑造今天生物多样性的演化路径。