allotriomorphic granular texture

简明释义

他形粒状结构;

英英释义

例句

1.In petrology, recognizing an allotriomorphic granular texture can help differentiate between intrusive and extrusive rocks.

在岩石学中，识别异形颗粒结构可以帮助区分侵入岩和喷出岩。

2.Samples with an allotriomorphic granular texture are often used in studies of mineral growth patterns.

具有异形颗粒结构的样本常用于矿物生长模式的研究。

3.Geologists often analyze the allotriomorphic granular texture of igneous rocks to understand their formation history.

地质学家常常分析火成岩的异形颗粒结构以了解其形成历史。

4.The rock sample displayed an allotriomorphic granular texture, indicating that the minerals had crystallized in a space filled with other materials.

这块岩石样本显示出一种异形颗粒结构，表明矿物是在充满其他材料的空间中结晶的。

5.The presence of an allotriomorphic granular texture in the granite suggests a slow cooling process beneath the Earth's surface.

花岗岩中存在的异形颗粒结构表明其在地球表面下缓慢冷却的过程。

作文

The study of geology reveals a vast array of textures and formations that define the Earth's crust. Among these, the term allotriomorphic granular texture stands out as a significant feature in the classification of igneous rocks. This texture is characterized by the presence of grains that are not equidimensional and do not exhibit a preferred orientation. Instead, they are often irregular in shape and size, resulting from the cooling and solidification process of molten rock. Understanding this texture is crucial for geologists as it provides insights into the conditions under which the rock formed.In simpler terms, allotriomorphic granular texture (非自形颗粒结构) signifies that the mineral grains within the rock have crystallized without a specific geometric arrangement. This can occur in environments where the magma cools slowly, allowing larger crystals to form, but also where there is a complex interplay of different minerals. Such textures are often found in intrusive igneous rocks, such as granite, where the slow cooling beneath the Earth’s surface allows for the growth of sizable crystals.The significance of allotriomorphic granular texture extends beyond mere classification. It serves as a window into the geological history of an area. For instance, when geologists encounter rocks with this texture, they can infer that the region experienced a prolonged period of cooling. This information can lead to further investigations regarding the tectonic activities that may have influenced the area.Moreover, the presence of allotriomorphic granular texture can also inform scientists about the mineral composition of the rock. Different minerals crystallize at varying temperatures and pressures, and the specific arrangement of these grains can indicate the original conditions of the magma. By analyzing the texture, geologists can deduce whether the rock formed from a high-temperature environment or if it underwent metamorphic processes after its initial formation.In educational settings, the concept of allotriomorphic granular texture can be challenging for students to grasp. However, through practical examples and hands-on experiences, such as examining rock samples, students can better appreciate the complexities of geological formations. Field trips to geological sites where these textures are prevalent can also enhance understanding, allowing students to connect theoretical knowledge with real-world applications.In conclusion, the term allotriomorphic granular texture (非自形颗粒结构) encapsulates a vital aspect of igneous rock formation. It reflects not only the physical characteristics of the rocks but also their historical and environmental contexts. As we delve deeper into the study of geology, appreciating such textures will enhance our understanding of the Earth's dynamic processes and the intricate history embedded within its crust.