dolerite
简明释义
n. 辉绿岩;粗粒玄武岩
英英释义
A fine-grained, dark-colored igneous rock that is composed mainly of plagioclase feldspar and pyroxene. | 一种细颗粒、深色的火成岩,主要由斜长石和辉石组成。 |
单词用法
辉绿岩 | |
辉绿岩层 | |
侵入性辉绿岩 | |
辉绿岩横层 |
同义词
辉绿岩 | Diabase is often used in construction due to its durability. | 辉绿岩常用于建筑,因为它的耐用性。 | |
玄武岩 | Basalt can be found in many volcanic regions around the world. | 玄武岩可以在世界各地的许多火山地区找到。 |
反义词
例句
1.The rock types include amygdaloidal basalt, dolerite, massive basalt, olivine basalt and andesite-basalt, which belong to the alkali basalt series.
岩石类型包括杏仁状玄武岩、粗玄岩、块状玄武岩、橄榄玄武岩和安山玄武岩,属碱性玄武岩系列。
2.In asphalt cement pavement construction, the basalt is usually used as coarse aggregate, while the dolerite is seldom used.
在沥青路面工程中,玄武岩作为粗集料已得到了广泛的应用,而辉绿岩的使用相对较少。
3.The lavas mainly include basalt, dolerite, fumarolic, amygdaloidal andesite, trachy-andesite and as well as rhyolite.
火山熔岩类主要包括玄武岩、粗面玄武岩、气孔杏仁状安山岩、粗面安山岩、流纹岩等。
4.The micro-gabbro phase is identical with the typical bulawayan dolerite sills.
微辉长岩相与标准的布拉瓦约粒玄岩床相同。
5.At Scinto 6 uranium occurs in much altered dolerite below the unconformity.
“辛托6”的铀矿体产于不整合面之下变质甚深的粒玄岩中。
6.The rock types include amygdaloidal basalt, dolerite, massive basalt, olivine basalt and andesite-basalt, which belong to the alkali basalt series.
岩石类型包括杏仁状玄武岩、粗玄岩、块状玄武岩、橄榄玄武岩和安山玄武岩,属碱性玄武岩系列。
7.In some regions, dolerite 辉长岩 is used for constructing roads due to its strength.
在某些地区,dolerite 辉长岩因其强度而被用于修建道路。
8.The building's foundation is made of dolerite 辉长岩, providing excellent stability.
这座建筑的基础由dolerite 辉长岩制成,提供了极好的稳定性。
9.The cliffs were composed of dark dolerite 辉长岩, creating a striking landscape.
悬崖由深色的dolerite 辉长岩构成,形成了引人注目的景观。
10.Geologists often study dolerite 辉长岩 to understand volcanic activity.
地质学家常常研究dolerite 辉长岩以了解火山活动。
11.The road was paved with dolerite 辉长岩, making it extremely durable.
这条路用dolerite 辉长岩铺成,非常耐用。
作文
Dolerite is a type of igneous rock that is primarily composed of plagioclase feldspar and pyroxene. It is often considered a medium-grained rock, falling between basalt and gabbro in terms of texture and composition. The formation of dolerite (辉绿岩) typically occurs when magma cools and solidifies beneath the Earth's surface, resulting in a rock that possesses unique physical properties and geological significance. In this essay, we will explore the characteristics, formation, and uses of dolerite (辉绿岩), highlighting its importance in both natural processes and human applications.One of the most notable features of dolerite (辉绿岩) is its texture. Unlike basalt, which is fine-grained due to rapid cooling at the surface, dolerite (辉绿岩) forms from slower cooling processes that allow for the growth of larger crystals. This medium-grained texture gives dolerite (辉绿岩) a distinctive appearance, making it easily identifiable among other igneous rocks. The presence of plagioclase and pyroxene contributes to its dark coloration, often appearing in shades of gray, green, or black.The geological formation of dolerite (辉绿岩) is an intriguing process. It typically forms in dikes and sills, which are vertical and horizontal intrusions of magma, respectively. As magma rises through the Earth's crust, it can intrude into existing rock layers, where it cools and crystallizes over time. This process can take thousands to millions of years, resulting in the formation of large bodies of dolerite (辉绿岩) that can be found in various locations around the world. The study of these formations provides valuable insights into the geological history of our planet and the processes that shape it.In addition to its geological significance, dolerite (辉绿岩) has practical applications in construction and landscaping. Due to its durability and resistance to weathering, dolerite (辉绿岩) is often used as a building material for roads, bridges, and other infrastructure projects. Its ability to withstand heavy loads and harsh environmental conditions makes it a popular choice among engineers and architects. Furthermore, crushed dolerite (辉绿岩) is commonly used as aggregate in concrete production, contributing to the strength and longevity of various structures.Moreover, dolerite (辉绿岩) plays a crucial role in understanding the Earth's geological processes. By studying dolerite (辉绿岩) formations, geologists can gain insights into the history of volcanic activity, tectonic movements, and the composition of the Earth's crust. This knowledge is essential for predicting geological hazards and managing natural resources effectively.In conclusion, dolerite (辉绿岩) is a fascinating igneous rock that holds significant importance in both geology and human industry. Its unique characteristics, formation processes, and practical applications make it a subject of interest for scientists and engineers alike. Understanding dolerite (辉绿岩) not only enhances our knowledge of the Earth's history but also aids in the development of sustainable practices in construction and resource management. As we continue to explore and study this remarkable rock, we uncover more about the intricate processes that shape our planet and the materials that build our world.
辉绿岩是一种火成岩,主要由斜长石和辉石组成。它通常被认为是一种中粒岩,其纹理和成分介于玄武岩和闪长岩之间。dolerite(辉绿岩)的形成通常发生在地球表面下,当岩浆冷却并固化时,形成一种具有独特物理特性和地质意义的岩石。在这篇文章中,我们将探讨dolerite(辉绿岩)的特征、形成和用途,强调它在自然过程和人类应用中的重要性。dolerite(辉绿岩)最显著的特征之一是其纹理。与由于快速冷却而形成的细粒玄武岩不同,dolerite(辉绿岩)形成于较慢的冷却过程中,这使得较大的晶体生长。中粒的纹理使得dolerite(辉绿岩)具有独特的外观,使其在其他火成岩中容易识别。斜长石和辉石的存在使其呈现出深色,通常为灰色、绿色或黑色。dolerite(辉绿岩)的地质形成过程非常有趣。它通常在岩墙和岩床中形成,分别是垂直和水平的岩浆侵入。当岩浆通过地壳上升时,它可以侵入到现有的岩层中,在那里冷却并结晶。这一过程可能需要数千到数百万年,从而形成可以在世界各地找到的大量dolerite(辉绿岩)体。这些形成的研究为我们提供了关于地球地质历史和塑造地球的过程的宝贵见解。除了其地质意义外,dolerite(辉绿岩)在建筑和景观美化中也有实际应用。由于其耐久性和抗风化能力,dolerite(辉绿岩)常被用作道路、桥梁和其他基础设施项目的建筑材料。它能够承受重载和恶劣的环境条件,使其成为工程师和建筑师的热门选择。此外,碎dolerite(辉绿岩)通常作为混凝土生产中的骨料使用,有助于各种结构的强度和耐久性。此外,dolerite(辉绿岩)在理解地球地质过程方面发挥着关键作用。通过研究dolerite(辉绿岩)形成,地质学家可以深入了解火山活动、构造运动和地壳成分的历史。这些知识对于预测地质灾害和有效管理自然资源至关重要。总之,dolerite(辉绿岩)是一种迷人的火成岩,在地质学和人类工业中具有重要意义。其独特的特征、形成过程和实际应用使其成为科学家和工程师共同关注的对象。理解dolerite(辉绿岩)不仅增强了我们对地球历史的认识,还帮助我们在建筑和资源管理中发展可持续的实践。随着我们继续探索和研究这种非凡的岩石,我们揭示了更多关于塑造我们星球的复杂过程以及构建我们世界的材料的信息。