basalts
简明释义
[岩] 玄武岩
英英释义
Basalts are dark, fine-grained volcanic rocks that are rich in iron and magnesium and typically form from the rapid cooling of basaltic lava. | 玄武岩是一种深色、细粒的火山岩，富含铁和镁，通常由玄武质熔岩快速冷却形成。 |
单词用法
玄武岩地貌 | |
玄武岩熔岩 | |
玄武岩和其他火山岩 | |
源自地幔的玄武岩 |
同义词
反义词
| 花岗岩 | Granites are often used in construction due to their durability. | 花岗岩因其耐用性而常用于建筑。 | |
| 沉积岩 | 沉积岩可以提供重要的化石记录。 |
例句
1.We then came up with the idea that in order for this to happen, to have these huge variations, the [Moon] must have been dry when these basalts crystallised from magma.
然后，我们想出了主意，为了做到这一点，对于这些巨大变化，[月亮]必须是干燥的，当这些玄武岩岩浆结晶。
2.Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
3.Lateritic crust of basalts is of zonal texture.
玄武岩红土壳具帝状结构。
4.Niobium-enriched arc basalts are mildly- to highly-alkalic mafic lavas that contain relatively higher amount of high field-strength elements (HFSE) than normal arc lavas.
富铌的岛弧玄武岩则是中等到高碱的镁铁质熔岩，它们相对于正常的岛弧玄武岩含有较多的高场强元素（HFSE）。
5.The Middle Permian Maokou Formation is generally overlain by the Late Permian Emeishan basalts in eastern Yunnan and western Guizhou in the west of the Yangtze platform.
上扬子西部滇东、黔西茅口组之上多为峨眉山玄武岩所覆盖，长期以来人们一直认为两者不存在沉积间断和地层剥蚀。
6.On the basis of batch-type melting model, the author explains the linear relationships between elements which are often recognized in oceanic basalts.
大洋玄武岩中，元素之间常常存在线性关系。本文应用批式熔融模型，解释了这一现象。
7.Geologists study basalts to understand the Earth's mantle.
地质学家研究玄武岩以了解地球的地幔。
8.The basalts found in this region are rich in iron and magnesium.
这个地区发现的玄武岩富含铁和镁。
9.The volcanic island is primarily composed of basalts.
这个火山岛主要由玄武岩组成。
10.In Hawaii, you can see stunning formations of basalts at the national park.
在夏威夷，你可以在国家公园看到壮观的玄武岩构造。
11.The black rocks along the coast are examples of basalts formed by ancient lava flows.
沿海的黑色岩石是古老熔岩流形成的玄武岩的例子。
作文
Basalts are one of the most common types of volcanic rocks found on Earth. They are primarily composed of minerals such as plagioclase, pyroxene, and olivine. The formation of basalts (玄武岩) occurs when magma from the Earth's mantle rises to the surface and cools quickly, resulting in a fine-grained texture. This rapid cooling is typically associated with volcanic eruptions that occur at divergent plate boundaries or hotspots. The study of basalts (玄武岩) provides valuable insights into the geological processes that shape our planet.One fascinating aspect of basalts (玄武岩) is their widespread distribution across various geological settings. For instance, the ocean floor is predominantly covered with basalts (玄武岩), which forms as magma erupts from mid-ocean ridges. These underwater volcanoes contribute to the creation of new oceanic crust, showcasing the dynamic nature of Earth's geology. Additionally, basalts (玄武岩) can also be found on land, particularly in regions with volcanic activity, such as Hawaii and Iceland. The presence of basalts (玄武岩) in these areas is a testament to the ongoing processes of volcanism and tectonics.The composition of basalts (玄武岩) can vary significantly depending on the source of the magma and the conditions under which it cools. For example, some basalts (玄武岩) are rich in iron and magnesium, giving them a darker color, while others may contain higher amounts of silica, resulting in a lighter hue. This variation in composition not only affects the appearance of basalts (玄武岩) but also influences their physical properties, such as density and viscosity. Understanding these differences is crucial for geologists who seek to reconstruct the history of volcanic activity in a given region.In addition to their geological significance, basalts (玄武岩) also play a vital role in various industries. For instance, crushed basalts (玄武岩) are commonly used as aggregate in construction projects, providing a durable and reliable material for roads, buildings, and other infrastructure. Furthermore, basalts (玄武岩) have been studied for their potential use in carbon capture and storage technologies. The ability of basalts (玄武岩) to react with carbon dioxide and form stable mineral compounds presents an innovative solution to mitigate climate change.Moreover, the exploration of basalts (玄武岩) extends beyond Earth. Scientists are particularly interested in the basalts (玄武岩) found on the Moon and Mars, as they provide clues about the geological history and volcanic activity of these celestial bodies. The lunar surface is covered in basalts (玄武岩) formed by ancient volcanic eruptions, while Martian basalts (玄武岩) indicate a complex history of volcanic processes. Studying these extraterrestrial basalts (玄武岩) could enhance our understanding of planetary formation and evolution.In conclusion, basalts (玄武岩) are not only significant from a geological perspective but also have practical applications in various fields. Their formation, composition, and distribution offer insights into the Earth's processes and contribute to our understanding of other planets. As research continues, the importance of basalts (玄武岩) in both terrestrial and extraterrestrial contexts will undoubtedly expand, paving the way for new discoveries and innovations.
