petrography

简明释义

英[/ˈpɛtrəˌɡrɑfi/]美[/ˈpɛtrəˌɡrɑfi/]

n. 岩相学；岩石记述学

英英释义

单词用法

同义词

反义词

例句

1.Through proper designed plan, high quality cement clinker was obtained by using low grade limestone as raw material. Samples were investigated by petrography analysis (PA) and X-ray diffraction (XRD).

以低品位的石灰石为原料，通过合理的配料方案，成功制备了性能优异的水泥熟料。

2.Petrography and mineral chemistry of 100 meteorites collected from the Grove Mountains, Antarctica, were studied and their chemical-petrographic types were assigned.

本文主要报道了南极格罗夫山新回收的100块陨石的岩石学和矿物化学特征。

3.Through proper designed plan, high quality cement clinker was obtained by using low grade limestone as raw material. Samples were investigated by petrography analysis (PA) and X-ray diffraction (XRD).

以低品位的石灰石为原料，通过合理的配料方案，成功制备了性能优异的水泥熟料。

4.The (examination) of the petrography shows that the volcanic terrains in Tengchong are typical of the basalt - (andesite) - (dacite) arc volcanic rock associations of the calc-alkaline series.

岩相学特征表明，该火山群为典型的钙碱性系列玄武岩安山岩英安岩弧火山岩组合。

5.Later in the paper, a correlation between the main coal-seams in this province is made, in combination with the traditional method of the key bed, coal petrography and palaeontology.

然后，结合传统的标志层法、煤岩学及古生物学方法，对该区主要煤层进行对比。

6.Thereby, every coking plant must be to used of coal-petrography analysis method to check the mixing condition of coal used in production and to compreha…

为此，各焦化厂应利用煤岩分析法检测进厂煤的混质情况，并进行合理利用。

7.Using petrography, scientists can identify ancient environments by studying sedimentary rocks.

通过使用岩石学，科学家可以通过研究沉积岩来识别古代环境。

8.The petrography of volcanic rocks shows unique textures and mineral assemblages.

火山岩的岩石学显示出独特的纹理和矿物组合。

9.Students in geology classes often learn about petrography to analyze rock samples.

地质学课程的学生通常学习岩石学以分析岩石样本。

10.In the field of archaeology, petrography can reveal the origins of stone tools.

在考古学领域，岩石学可以揭示石器的来源。

11.The study of petrography helps geologists understand the mineral composition of rocks.

对岩石学的研究帮助地质学家理解岩石的矿物成分。

作文

In the field of geology, one of the most fascinating branches is petrography, which refers to the detailed description and classification of rocks. This discipline plays a crucial role in understanding the Earth's structure and the processes that shape it over time. To truly appreciate the significance of petrography (岩石学), it is essential to delve into its methodologies, applications, and the insights it provides into geological history.The primary objective of petrography is to analyze the mineral composition, texture, and structure of rocks. By examining thin sections of rock under a microscope, petrographers can identify the various minerals present and their relationships to one another. This microscopic analysis allows for a deeper understanding of the rock's origin, whether it be igneous, sedimentary, or metamorphic. Each type of rock has distinct characteristics that can reveal information about the environmental conditions during its formation.For instance, igneous rocks, formed from the cooling and solidification of magma, can be classified based on their mineral content and texture. Petrography (岩石学) helps geologists determine whether an igneous rock is intrusive or extrusive, which in turn indicates the rate at which it cooled. Intrusive rocks cool slowly beneath the Earth's surface, resulting in larger crystals, while extrusive rocks cool rapidly at the surface, leading to smaller crystals. Understanding these differences is vital for reconstructing the geological history of an area.Sedimentary rocks, on the other hand, are formed from the accumulation of sediments. The study of petrography (岩石学) allows scientists to examine the layering, grain size, and fossil content of these rocks. Such analyses can provide insights into past environments, such as ancient river systems or marine settings. For example, the presence of certain fossils can indicate the age of the rock and the conditions under which it was formed, offering clues about the Earth's climatic history.Metamorphic rocks undergo transformation due to heat and pressure, and petrography (岩石学) aids in identifying the parent rock and the metamorphic processes involved. By studying the foliation and mineral alignment within these rocks, geologists can infer the conditions of metamorphism and the tectonic forces at play. This knowledge is crucial for understanding mountain-building processes and the dynamics of the Earth's crust.Beyond academic research, petrography (岩石学) has practical applications in various industries, including construction, mining, and environmental science. For example, in the construction industry, understanding the properties of building materials is essential for ensuring structural integrity. Petrographic analysis can help determine the durability and suitability of stone, gravel, and sand for specific projects.In conclusion, petrography (岩石学) is a vital branch of geology that enhances our understanding of the Earth's materials and their histories. Through meticulous examination of rocks, petrographers unveil the stories of our planet's past, contributing to fields as diverse as archaeology, natural resource management, and environmental conservation. As we continue to explore and study the Earth, the insights gained from petrography will undoubtedly play a significant role in shaping our knowledge of geology and its applications in the modern world.

在地质学领域，最迷人的分支之一是petrography，即岩石的详细描述和分类。这个学科在理解地球的结构及其随时间变化的过程方面发挥着至关重要的作用。要真正欣赏petrography（岩石学）的重要性，有必要深入探讨其方法论、应用及其对地质历史的洞察。petrography的主要目标是分析岩石的矿物成分、纹理和结构。通过在显微镜下观察薄片岩石，岩石学家可以识别出各种矿物及其相互关系。这种显微分析使我们能够更深入地了解岩石的起源，无论是火成岩、沉积岩还是变质岩。每种类型的岩石都有独特的特征，可以揭示形成时的环境条件。例如，火成岩是由岩浆冷却固化而成的，可以根据其矿物成分和纹理进行分类。petrography（岩石学）帮助地质学家确定火成岩是侵入型还是喷出型，这反过来又表明了其冷却的速率。侵入岩在地球表面以下缓慢冷却，导致较大的晶体，而喷出岩则在表面迅速冷却，形成较小的晶体。理解这些差异对于重建一个地区的地质历史至关重要。另一方面，沉积岩是由沉积物的积累形成的。对petrography（岩石学）的研究使科学家能够检查这些岩石的层理、颗粒大小和化石含量。这种分析可以提供关于过去环境的见解，例如古代河流系统或海洋环境。例如，某些化石的存在可以指示岩石的年龄及其形成时的条件，从而提供关于地球气候历史的线索。变质岩由于热和压力而发生变化，petrography（岩石学）有助于识别母岩和变质过程。通过研究这些岩石中的片理和矿物排列，地质学家可以推断变质条件和作用力。这些知识对于理解造山过程和地壳动态至关重要。除了学术研究，petrography（岩石学）在建筑、采矿和环境科学等各个行业中也有实际应用。例如，在建筑行业，了解建筑材料的性质对于确保结构的完整性至关重要。岩石学分析可以帮助确定石材、砾石和沙子在特定项目中的耐久性和适用性。总之，petrography（岩石学）是地质学的重要分支，增强了我们对地球材料及其历史的理解。通过对岩石的细致观察，岩石学家揭示了我们星球过去的故事，为考古学、自然资源管理和环境保护等多样化领域做出了贡献。随着我们继续探索和研究地球，从petrography中获得的洞察无疑将在塑造我们对地质学及其在现代世界中的应用方面发挥重要作用。