stratigraphy

简明释义

英[strəˈtɪɡrəfi]美[strəˈtɪɡrəfi]

n. 地层学；地层中的岩石组成

英英释义

单词用法

同义词

反义词

例句

1.The aim of the study was undertaken to better characterise and map the shallow stratigraphy and structure.

此研究的目的是进一步弄清浅地层的结构，并绘制图形。

2.Sedimentary facies study integrating drilling, log and seismic data and using sequence stratigraphy is a base of petroleum exploration.

综合钻井、测井和地震资料，用层序地层学方法进行沉积相研究是油气勘探的基础。

3.The contrast of high-resolution sequence stratigraphy is one of the effective ways of high-resolution isochronic correlation.

高分辨率层序地层对比是高分辨等时对比的一种有效方法。

4.The exploration proved that the study of stratigraphy sequence and sedimentary system is the key tache.

勘探实践证明，层序地层与沉积体系研究是隐蔽油气藏勘探的关键基础性环节。

5.On the one hand, new experimental technologies are used continuously to explore the metallogenic mechanism of stratigraphy, structure etc.

一方面，人们将继续采用新的实验技术去了解地层、构造等因素的控矿机理。

6.High resolution sequence stratigraphy has become an important way for oil exploration.

高精度层序地层学研究已成为进行油气勘探的重要手段之一。

7.Changes in depositional base-level cycle control the development and evolution of sequence stratigraphy.

沉积基准面旋回变化控制着陆相层序地层的形成与演化。

8.With the introduction of Sequence Stratigraphy into the study of continental sedimentary basins, some controversial questions arose in our country.

随着陆相沉积盆地研究中层序地层学的引入，在国内引起了一些颇有争议的问题。

9.Sequences are the fundamental unit of interpretation in sequence stratigraphy.

层序是层序地层学解译的基本单位。

10.By analyzing the stratigraphy, researchers could determine the age of the fossils found.

通过分析地层学，研究人员能够确定发现的化石的年龄。

11.The stratigraphy of the site revealed a history of volcanic activity.

该地点的地层学揭示了火山活动的历史。

12.The construction team had to consider the stratigraphy before laying the foundation.

施工队在打基础之前必须考虑地层学。

13.The geologist studied the stratigraphy to understand the layers of rock in the area.

地质学家研究了地层学以了解该地区的岩石层。

14.In archaeology, stratigraphy helps in dating artifacts based on their layer of discovery.

在考古学中，地层学有助于根据发现层来给文物定年。

作文

Stratigraphy is a branch of geology that focuses on the study of rock layers (strata) and layering (stratification). This field is crucial for understanding the Earth's history, as it provides insights into the chronological sequence of geological events. By examining the different layers of sedimentary rocks, scientists can uncover valuable information about past environments, climate changes, and the evolution of life on Earth. The principles of stratigraphy (地层学) allow geologists to interpret the relative ages of rocks and fossils found within these layers, which is essential for constructing a timeline of Earth's history.One of the key principles of stratigraphy (地层学) is the Law of Superposition, which states that in an undisturbed sequence of sedimentary rocks, the oldest layers are at the bottom, and the younger layers are at the top. This principle helps geologists determine the relative ages of rock formations and the fossils contained within them. For instance, if a fossil is found in a layer of rock that is above another layer containing a different fossil, it can be inferred that the first fossil is younger than the second. This method of dating rocks and fossils is fundamental in paleontology and archaeology, where understanding the timeline of life forms is crucial.Another important aspect of stratigraphy (地层学) is biostratigraphy, which uses fossil evidence to correlate and date rock layers. Different organisms have existed at different times in Earth's history, and their presence in rock layers can provide valuable clues about the age of those layers. For example, if a specific type of trilobite is found in a rock formation, scientists can use that information to date the rock layer because trilobites existed during a particular geological period. This correlation of fossils across different locations is vital for constructing a comprehensive picture of Earth's geological history.Lithostratigraphy, another sub-discipline of stratigraphy (地层学), focuses on the physical and petrographic characteristics of rock layers. By analyzing the composition, color, texture, and other physical properties of rocks, geologists can classify and map different strata. This classification helps in understanding the depositional environments and processes that formed these rocks. For instance, a layer of sandstone may indicate a former river environment, while a layer of shale might suggest a quiet marine setting. Understanding these depositional environments is essential for natural resource exploration, such as oil and gas reservoirs, where specific rock types are more likely to contain hydrocarbons.In addition to its applications in geology, stratigraphy (地层学) plays a significant role in environmental science and engineering. It helps in assessing soil layers for construction projects, understanding groundwater flow, and identifying potential hazards such as landslides or earthquakes. By studying the stratigraphy of an area, engineers can make informed decisions about building foundations and managing resources sustainably.In conclusion, stratigraphy (地层学) is a vital scientific discipline that provides a framework for understanding the Earth's past. Through the study of rock layers and their relationships, scientists can reconstruct the history of our planet, gaining insights into everything from ancient climates to the evolution of life. As we continue to face environmental challenges, the principles of stratigraphy (地层学) will remain essential in guiding our understanding of the Earth's systems and resources. By harnessing the knowledge gained from this field, we can better navigate the complexities of our planet's geological and environmental landscape.

地层学是地质学的一个分支，专注于岩石层（地层）和分层（成层）的研究。这个领域对于理解地球的历史至关重要，因为它提供了关于地质事件时间顺序的深入见解。通过检查不同层次的沉积岩，科学家可以揭示有关过去环境、气候变化和地球上生命演化的宝贵信息。地层学（stratigraphy）的原理使地质学家能够解释岩石和这些层中发现的化石的相对年龄，这对于构建地球历史的时间线至关重要。地层学（stratigraphy）的一个关键原理是叠加法则，它指出在未受干扰的沉积岩序列中，最古老的层位于底部，而较年轻的层位于顶部。这个原理帮助地质学家确定岩石形成及其内含化石的相对年龄。例如，如果一个化石被发现于一层岩石中，而该层岩石位于另一层含有不同化石的岩石之上，则可以推断出第一个化石比第二个化石年轻。这种对岩石和化石进行年代测定的方法在古生物学和考古学中至关重要，因为了解生命形式的时间线至关重要。地层学（stratigraphy）的另一个重要方面是生物地层学，它利用化石证据来关联和测定岩层的年代。不同的生物在地球历史的不同时间存在，它们在岩层中的存在可以提供有关这些层年龄的宝贵线索。例如，如果在一个岩层中发现了一种特定类型的三叶虫，科学家可以利用这一信息来测定该岩层的年代，因为三叶虫在特定的地质时期存在。不同地点化石的这种关联对于构建地球地质历史的全面图景至关重要。岩石地层学是地层学（stratigraphy）的另一个子学科，专注于岩层的物理和岩石学特征。通过分析岩石的组成、颜色、纹理和其他物理特性，地质学家可以对不同的地层进行分类和绘制地图。这种分类有助于理解形成这些岩石的沉积环境和过程。例如，一层砂岩可能表明曾经存在的河流环境，而一层页岩可能暗示安静的海洋环境。理解这些沉积环境对于自然资源勘探至关重要，例如油气储层，其中某些岩石类型更可能包含碳氢化合物。除了在地质学中的应用，地层学（stratigraphy）在环境科学和工程中也发挥着重要作用。它有助于评估建筑项目的土壤层，理解地下水流动，以及识别潜在的危险，如滑坡或地震。通过研究一个地区的地层，工程师可以就建筑基础和可持续管理资源做出明智的决策。总之，地层学（stratigraphy）是一个重要的科学学科，为理解地球的过去提供了框架。通过研究岩层及其关系，科学家可以重建我们星球的历史，深入了解从古代气候到生命演化的一切。随着我们继续面临环境挑战，地层学（stratigraphy）的原理将继续在指导我们理解地球系统和资源方面发挥重要作用。通过利用这一领域获得的知识，我们可以更好地驾驭我们星球地质和环境景观的复杂性。