bioclastic

简明释义

英[ˌbaɪəʊˈklæstɪk]美[baɪoʊkˈlæstɪk]

生物碎片

英英释义

单词用法

同义词

反义词

例句

1.The rocks of the Poduan Formation are mainly intraclastic bioclastic grainstones formed in turbulent and agitated bank environments, and amount to about 2/3 of total thickness of the profile.

坡段组主要由砂砾屑-生屑颗粒岩组成，约占全剖面的2 / 3。它们形成于水流激荡的滩相环境。

2.The rocks of the Poduan Formation are mainly intraclastic bioclastic grainstones formed in turbulent and agitated bank environments, and amount to about 2/3 of total thickness of the profile.

坡段组主要由砂砾屑-生屑颗粒岩组成，约占全剖面的2 / 3。它们形成于水流激荡的滩相环境。

3.Principal diageneses are cementation, compaction, pressure-solution, dolomitization, solution and fracturing, which control the reservoir properties of the bioclastic limestone member.

胶结作用和压实作用是主要的孔隙破坏者，它们破坏了几乎所有的原生孔隙和部分次生溶孔；

4.The sedimentary facies of Carboniferous Bioclastic Limestone Member is mainly classified into shore and carbonate platform facies in Tarim basin.

塔里木盆地石炭系生屑灰岩段的主要沉积相类型划分为滨岸相和碳酸盐台地相两大类。

5.The middle fan sand in Es3, the bioclastic beach bar at the bottom of Esl, the river sand in Ed formed very best reservoir.

沙三段的扇中砂体、沙一段底部的生物滩坝、东营组的河流砂体都是优越的储集层。

6.The reef island belt from Tusuo Lake to Huashixia is mainly composed of massive reef limestone and bioclastic limestone.

托索湖—花石峡礁带的主体由块状的礁相灰岩和生物碎屑灰岩所组成；

7.Seabeach sediment on the main island area of Guangxi coast can divided into gravelly, sandy, bioclastic deposition.

广西沿海主要岛屿区海滩沉积物分为砾质沉积、砂质沉积、生物碎屑沉积。

8.The sedimentary rock was classified as bioclastic 生物碎屑的 due to the presence of fossilized shells.

由于存在化石贝壳，这种沉积岩被分类为bioclastic 生物碎屑的。

9.In geology courses, students often study bioclastic 生物碎屑的 limestone for its unique composition.

在地质学课程中，学生们常常研究bioclastic 生物碎屑的 石灰岩及其独特的成分。

10.The bioclastic 生物碎屑的 texture of the rock indicates a rich marine environment in ancient times.

岩石的bioclastic 生物碎屑的 纹理表明古代有丰富的海洋环境。

11.Geologists found that the bioclastic 生物碎屑的 deposits were formed during a period of high biological activity.

地质学家发现这些bioclastic 生物碎屑的 沉积是在生物活动高峰期形成的。

12.The presence of coral fragments makes this rock bioclastic 生物碎屑的 and valuable for studying past ecosystems.

珊瑚碎片的存在使这块岩石成为bioclastic 生物碎屑的，对研究过去的生态系统非常有价值。

作文

In the study of geology, the term bioclastic refers to sedimentary rocks that are composed primarily of fragments derived from living organisms. These fragments can include shells, coral, and other biological materials that have been broken down through natural processes. Understanding bioclastic formations is crucial for geologists because they provide significant insights into past environmental conditions and biological activity on Earth. For instance, a rock formation rich in bioclastic material may indicate a marine environment where organisms thrived, such as a coral reef. The presence of such rocks can help scientists reconstruct ancient ecosystems and understand how life has evolved over millions of years. Moreover, studying bioclastic deposits can also reveal information about the climate during the time these organisms lived, as certain species are indicative of specific environmental conditions. The process of forming bioclastic rocks begins with the accumulation of organic debris in a suitable environment. Over time, layers of sediment build up, burying the organic material. As pressure increases, the sediments compact, and minerals precipitate from water, cementing the fragments together to form solid rock. This transformation from loose material to rock is known as lithification. One important aspect of bioclastic rocks is their variety. Different types of organisms contribute distinct characteristics to the rock. For example, limestone is a common type of bioclastic rock formed primarily from the calcite shells of marine organisms. In contrast, coquina is a type of limestone that is made up almost entirely of shell fragments, showcasing the diversity of life forms that existed in its original environment. Geologists often analyze bioclastic rocks using various techniques, such as thin section microscopy, to observe the microscopic features of the fragments. This analysis can reveal not only the types of organisms present but also their relative abundances, which can be used to infer ecological dynamics of the past. Additionally, isotopic studies of bioclastic materials can provide information about the temperature and chemistry of the ancient oceans, further enhancing our understanding of Earth's history. In conclusion, the significance of bioclastic rocks extends beyond their composition; they serve as a window into the past, allowing us to glimpse the vibrant ecosystems that once flourished on our planet. By studying these rocks, we can gain valuable insights into the interplay between life and the environment throughout geological time. The exploration of bioclastic materials not only enriches our knowledge of geology but also underscores the importance of preserving the biodiversity we have today, as it is intrinsically linked to the history of life on Earth.

在地质学研究中，术语bioclastic指的是主要由来源于生物体的碎片组成的沉积岩。这些碎片可以包括贝壳、珊瑚和其他被自然过程分解的生物材料。理解bioclastic构造对地质学家至关重要，因为它们提供了有关地球过去环境条件和生物活动的重要见解。 例如，富含bioclastic材料的岩层可能表明一个海洋环境，在这个环境中生物体繁盛，比如珊瑚礁。这些岩石的存在可以帮助科学家重建古代生态系统，并了解生命如何在数百万年的时间里演变。此外，研究bioclastic沉积物还可以揭示这些生物体生活时期的气候信息，因为某些物种是特定环境条件的标志。 形成bioclastic岩石的过程始于在适宜环境中有机碎屑的积累。随着时间的推移，沉积层逐渐堆积，掩埋有机材料。随着压力的增加，沉积物压实，水中的矿物从水中沉淀出来，将碎片胶结在一起形成固体岩石。这一从松散材料到岩石的转变称为成岩作用。 bioclastic岩石的一个重要方面是它们的多样性。不同类型的生物为岩石贡献了独特的特征。例如，石灰岩是一种常见的bioclastic岩石，主要由海洋生物的方解石壳体构成。相比之下，砂岩是一种几乎完全由贝壳碎片组成的石灰岩，展示了其原始环境中存在的生物多样性。 地质学家通常使用各种技术分析bioclastic岩石，例如薄片显微镜，以观察碎片的微观特征。这种分析不仅可以揭示存在的生物类型，还可以揭示它们的相对丰度，这可以用来推断过去的生态动态。此外，对bioclastic材料的同位素研究可以提供关于古代海洋温度和化学成分的信息，进一步增强我们对地球历史的理解。 总之，bioclastic岩石的重要性超越了其成分；它们作为通往过去的窗口，使我们得以窥见曾经繁荣于我们星球上的生动生态系统。通过研究这些岩石，我们可以获得关于生命与环境之间相互作用的宝贵见解，贯穿整个地质时代。探索bioclastic材料不仅丰富了我们对地质学的知识，还强调了保护我们今天的生物多样性的重要性，因为它与地球生命的历史密切相关。