groundmass

简明释义

英[ˈɡraʊndˌmæs]美[ˈɡraʊndˌmæs]

n. 基质，石基

英英释义

单词用法

同义词

反义词

例句

1.Study shows that the Ordovician carbonate formation in this area has the characteristic of very low groundmass porosity.

明确了研究区奥陶系储层为超低基质孔的致密碳酸盐岩，岩溶作用为本区储层发育的主控因素。

2.Study shows that the Ordovician carbonate formation in this area has the characteristic of very low groundmass porosity.

明确了研究区奥陶系储层为超低基质孔的致密碳酸盐岩，岩溶作用为本区储层发育的主控因素。

3.The groundmass has the same mineral components as phenocryst, and is composed of plagioclase, augite and olivine.

电子探针成分分析显示，基质矿物组成与斑晶矿物组成相同，均是由斜长石、辉石和橄榄石组成；

4.Any igneous rock with crystals embedded in a finer groundmass of minerals.

任何含有嵌入致密的矿物基质的火成岩。

5.In the groundmass transplantation way, the survival rate was higher.

采用基质移栽，成活率较高。

6.The volcanic rock is primarily composed of a fine-grained groundmass (基质) that holds larger crystals.

这块火山岩主要由细粒的groundmass（基质）组成，包裹着较大的晶体。

7.Geologists often analyze the groundmass (基质) to determine the cooling history of igneous rocks.

地质学家通常分析groundmass（基质）以确定火成岩的冷却历史。

8.In some metamorphic rocks, the groundmass (基质) can reveal important information about the conditions under which the rock formed.

在一些变质岩中，groundmass（基质）可以揭示有关岩石形成条件的重要信息。

9.The groundmass (基质) of this granite is mostly composed of quartz and feldspar.

这块花岗岩的groundmass（基质）主要由石英和长石组成。

10.When studying lava flows, scientists assess the groundmass (基质) to understand the eruption's characteristics.

在研究熔岩流时，科学家评估groundmass（基质）以了解喷发的特征。

作文

The study of geology reveals many fascinating aspects of our planet, particularly when we delve into the formation and composition of rocks. One of the key terms that often arises in this field is groundmass, which refers to the finer-grained matrix in which larger crystals or grains are embedded. Understanding groundmass is crucial for geologists as it provides insights into the cooling history of igneous rocks and the processes that formed them. When magma cools and crystallizes, it can form different types of rocks depending on the rate of cooling and the composition of the magma. For instance, if magma cools slowly beneath the earth's surface, it allows large crystals to grow, resulting in a coarse-grained rock like granite. In such cases, the groundmass would be the smaller crystals or even the glassy material that fills the spaces between the larger crystals. Conversely, when magma erupts onto the surface and cools rapidly, it forms rocks like basalt, where the groundmass may consist of tiny crystals or a glassy matrix, indicating a very rapid cooling process. The texture of a rock, which includes the size, shape, and arrangement of its constituent minerals, is heavily influenced by the groundmass. For example, in a porphyritic rock, one might find large crystals, known as phenocrysts, set within a groundmass of much finer-grained material. This particular texture tells geologists about the conditions under which the rock was formed, including the history of its cooling and crystallization. Moreover, the study of groundmass extends beyond just igneous rocks; it is also relevant in sedimentary and metamorphic contexts. In sedimentary rocks, the groundmass can refer to the finer particles that bind together larger clasts, providing insights into the environment of deposition. Similarly, in metamorphic rocks, the groundmass might consist of fine-grained minerals that form during the alteration of the original rock due to heat and pressure. In practical applications, understanding the groundmass can aid in resource exploration, such as identifying potential locations for mining or oil extraction. By studying the characteristics of the groundmass, geologists can infer the presence of valuable minerals or hydrocarbons trapped within the rock. Additionally, recognizing the groundmass helps in assessing the stability of geological formations, which is crucial for construction projects and environmental assessments. In conclusion, the term groundmass encapsulates a vital concept in geology, serving as a window into the history and formation of rocks. Whether examining igneous, sedimentary, or metamorphic rocks, the groundmass provides essential information that aids scientists in understanding the complex processes that shape our planet. As we continue to explore the Earth’s crust, the significance of groundmass will undoubtedly play a pivotal role in advancing our knowledge of geology and its applications in various fields.

地质学的研究揭示了我们星球的许多迷人方面，特别是当我们深入了解岩石的形成和成分时。这个领域中经常出现的一个关键术语是groundmass，它指的是较大晶体或颗粒嵌入的细颗粒基质。理解groundmass对地质学家至关重要，因为它提供了有关火成岩冷却历史和形成过程的见解。 当岩浆冷却并结晶时，根据冷却速率和岩浆的成分，可以形成不同类型的岩石。例如，如果岩浆在地下缓慢冷却，它允许大晶体生长，从而形成粗粒岩石，如花岗岩。在这种情况下，groundmass将是填充在较大晶体之间的小晶体或甚至玻璃状物质。相反，当岩浆喷发到地表并迅速冷却时，会形成像玄武岩这样的岩石，其中groundmass可能由微小的晶体或玻璃状基质组成，表明非常快速的冷却过程。 岩石的纹理，包括其组成矿物的大小、形状和排列，受到groundmass的强烈影响。例如，在斑状岩中，可以发现大型晶体，称为斑晶，嵌入在更细颗粒的groundmass中。这种特定的纹理告诉地质学家岩石形成时的条件，包括其冷却和结晶的历史。 此外，groundmass的研究不仅限于火成岩；在沉积岩和变质岩的背景下也很相关。在沉积岩中，groundmass可以指结合较大碎屑的细颗粒，提供沉积环境的见解。同样，在变质岩中，groundmass可能由在热和压力作用下形成的细颗粒矿物组成，这些矿物是在原始岩石变质过程中形成的。 在实际应用中，理解groundmass可以帮助资源勘探，例如识别潜在的矿产或石油开采地点。通过研究groundmass的特征，地质学家可以推断出岩石中被困的有价值矿物或碳氢化合物的存在。此外，识别groundmass有助于评估地质构造的稳定性，这对建筑项目和环境评估至关重要。 总之，术语groundmass概括了地质学中的一个重要概念，是了解岩石历史和形成的窗口。无论是检查火成岩、沉积岩还是变质岩，groundmass提供了至关重要的信息，帮助科学家理解塑造我们星球的复杂过程。随着我们继续探索地球的地壳，groundmass的重要性无疑将在推进我们对地质学及其在各个领域应用的知识中发挥关键作用。