lapilli

简明释义

英[ləˈpɪlaɪ]美[ləˈpɪlaɪ]

n. 火山石（lapillus 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Volcanic ash, lapilli, block and bombs.

火山灰、火山砾、火山块和火山弹。

2.They are investigating the lapilli.

他们在研究火山石。

3.Volcanic ash, lapilli, block and bombs.

火山灰、火山砾、火山块和火山弹。

4.The volcanic eruption scattered lapilli (小火山石) across the landscape.

火山爆发将lapilli（小火山石）散布在整个地貌上。

5.Archaeologists found ancient artifacts buried under layers of lapilli (小火山石).

考古学家在一层层lapilli（小火山石）下发现了古代文物。

6.The lapilli (小火山石) fell from the sky like rain during the eruption.

在火山爆发期间，lapilli（小火山石）像雨一样从天而降。

7.Geologists study lapilli (小火山石) to understand past volcanic activity.

地质学家研究lapilli（小火山石）以了解过去的火山活动。

8.During the hike, we encountered a layer of lapilli (小火山石) on the trail.

在徒步旅行中，我们在小径上遇到了一层lapilli（小火山石）。

作文

In the study of geology and volcanology, understanding the different types of volcanic materials is essential. One such material is known as lapilli, which refers to small fragments of volcanic rock that are ejected during an explosive volcanic eruption. These fragments typically range in size from 2 to 64 millimeters in diameter. The term lapilli comes from the Italian word for 'little stones', and it is a crucial component in the classification of volcanic debris. When a volcano erupts, it can produce various sizes of particles, including ash, lapilli, and larger volcanic rocks called bombs. Each of these materials plays a significant role in shaping the landscape and influencing the environment around the volcano.The formation of lapilli occurs when magma is expelled violently from a volcano. As the magma rises to the surface, it can be fragmented by the rapid release of gases, resulting in the creation of these small rock particles. The composition of lapilli can vary significantly depending on the type of volcano and the nature of the magma involved. For instance, basaltic eruptions tend to produce lapilli that are rich in iron and magnesium, while more silica-rich eruptions can create lighter-colored lapilli with different mineral compositions.The significance of lapilli extends beyond their geological characteristics; they also provide valuable insights into volcanic activity and the history of eruptions. By studying layers of lapilli deposits, scientists can reconstruct past volcanic events, understand eruption styles, and assess potential hazards for nearby communities. This research is critical for developing effective monitoring strategies to predict future eruptions and mitigate risks associated with volcanic activity.Additionally, lapilli can have various practical applications. In some regions, they are used as lightweight aggregates in construction materials, offering excellent insulation properties. The unique texture and appearance of lapilli can also make them attractive for landscaping and decorative purposes. Their porous nature allows for good drainage, making them suitable for use in garden beds and as a substrate for various plants.In conclusion, the term lapilli encompasses a fascinating aspect of volcanic geology. These small fragments of rock not only help scientists understand the dynamics of volcanic eruptions but also serve practical purposes in construction and landscaping. By appreciating the role of lapilli in both natural and human-made environments, we can gain a deeper understanding of the Earth's processes and the materials it produces. The study of lapilli and other volcanic materials continues to be an important field of research, contributing to our knowledge of geology and helping us prepare for the challenges posed by active volcanoes.

在地质学和火山学的研究中，了解不同类型的火山材料是至关重要的。其中一种材料被称为lapilli，指的是在爆炸性火山喷发过程中喷出的较小火山岩碎片。这些碎片的直径通常在2到64毫米之间。术语lapilli来源于意大利语，意为“小石头”，它是火山碎屑分类中的关键组成部分。当火山喷发时，它可以产生各种大小的颗粒，包括灰烬、lapilli和称为弹块的较大火山岩。这些材料在塑造地貌和影响火山周围环境方面发挥着重要作用。lapilli的形成发生在岩浆暴力从火山喷出时。当岩浆上升到表面时，它可能会因气体的快速释放而破裂，从而产生这些小岩石颗粒。lapilli的成分可以根据火山的类型和所涉及的岩浆的性质显著变化。例如，玄武岩喷发往往产生富含铁和镁的lapilli，而富含二氧化硅的喷发则可以产生颜色较浅、矿物成分不同的lapilli。lapilli的重要性不仅限于其地质特征；它们还提供了对火山活动和喷发历史的宝贵见解。通过研究lapilli沉积层，科学家可以重建过去的火山事件，了解喷发风格，并评估对附近社区的潜在危害。这项研究对于制定有效的监测策略以预测未来喷发和减轻与火山活动相关的风险至关重要。此外，lapilli还可以有多种实际应用。在某些地区，它们被用作建筑材料中的轻质骨料，提供优良的绝缘性能。lapilli独特的纹理和外观也使其在园艺和装饰方面具有吸引力。它们的多孔特性允许良好的排水，使其适合用于花坛和作为各种植物的基质。总之，术语lapilli涵盖了火山地质学的一个迷人方面。这些小岩石碎片不仅帮助科学家理解火山喷发的动态，还在建筑和园艺中发挥实用作用。通过欣赏lapilli在自然和人为环境中的角色，我们可以更深入地理解地球的过程及其产生的材料。对lapilli和其他火山材料的研究仍然是一个重要的研究领域，为我们对地质学的知识做出贡献，并帮助我们应对活火山带来的挑战。