unconformity

简明释义

英[ʌnkənˈfɔːmɪtɪ]美[ˌʌnkənˌfɔrməti]

n. （地质）不整合接触；不一致

复 数 u n c o n f o r m i t i e s

英英释义

单词用法

同义词

反义词

例句

1.Unconformity areas to normal school is most in summer, especially on lower reaches of Yellow River and west of Yunnan.

在夏季正态分布适合度最差，且在黄河下游、云南西部地区偏离最严重。

2.Vertically, rocks near the unconformity appear layers which are in turn semi-weathering rock, weathering clay bed and basal conglomerate.

不整合附近的岩层在纵向上呈层分布：从下至上依次为半风化岩石、风化粘土层和底砾岩。

3.Vertically, rocks near the unconformity appear layers which are in turn semi-weathering rock, weathering clay bed and basal conglomerate.

不整合附近的岩层在纵向上呈层分布：从下至上依次为半风化岩石、风化粘土层和底砾岩。

4.An angular unconformity within the Pliocene stratum was found during field exploration in northwestern part of the Gonghe Basin.

通过共和盆地西北部晚新生代地层的野外地质调查，发现上新世地层中存在一期角度不整合面。

5.The pathway system is classified into 3 types of fault, carrier bed and unconformity in Bachu area, the Tarim Basin.

从塔里木盆地巴楚地区输导体系类型入手，将其分成断裂、输导层和不整合面等3类。

6.Unconformity plays an important role in hydrocarbon accumulation.

不整合对油气藏形成有重要作用。

7.The factors that affect hydrocarbon migration are fault, carrier bed and unconformity in Bachu area.

影响巴楚地区油气运移的因素有断裂、不整合面及输导层。

8.Understanding unconformities is crucial for reconstructing past environments.

理解不整合面对重建过去的环境至关重要。

9.An unconformity can provide valuable insights into the history of Earth's crust.

一个不整合面可以为地球地壳的历史提供有价值的见解。

10.The geologist noted an unconformity in the rock layers, indicating a significant gap in geological time.

地质学家注意到岩层中的不整合面，这表明在地质时间上存在显著的间隙。

11.The presence of an unconformity suggests that erosion occurred before the next layer of sediment was deposited.

一个不整合面的存在表明在下一层沉积物沉积之前发生了侵蚀。

12.During the field trip, we observed an unconformity where sedimentary rocks were deposited over older metamorphic rocks.

在实地考察中，我们观察到一个不整合面，沉积岩覆盖在较老的变质岩之上。

作文

In the study of geology, one term that often comes up is unconformity, which refers to a significant gap in the geological record. This gap occurs when sedimentary rock layers are not deposited continuously, resulting in a discontinuity between older and younger strata. Understanding unconformity is crucial for geologists as it provides insights into the Earth's history and the processes that have shaped its surface over millions of years.There are several types of unconformity, including angular unconformity, disconformity, and nonconformity. Angular unconformity occurs when tilted or folded sedimentary rocks are overlain by younger, more horizontally layered rocks. This type of unconformity indicates that there has been a period of deformation and erosion before the deposition of the younger layers. Disconformity, on the other hand, represents a gap in the sedimentary record where layers are parallel but separated by a period of erosion. Finally, nonconformity occurs when sedimentary rocks are deposited on top of igneous or metamorphic rocks, indicating a significant time gap between the formation of these different rock types.The concept of unconformity is essential not only for understanding geological formations but also for interpreting the history of life on Earth. Fossils found in sedimentary layers can provide clues about past environments, climate changes, and biological evolution. When geologists identify an unconformity, they can infer that a substantial amount of time has passed without any sediment being deposited, which may correlate with major events in Earth's history, such as mass extinctions or significant climatic shifts.For example, the famous Grand Canyon in the United States showcases various unconformities that reveal a complex geological history. The canyon's walls expose layers of rock that date back nearly two billion years, with some sections indicating that vast periods of time were missing from the record. This unconformity allows scientists to piece together the events that led to the current landscape, including volcanic activity, erosion, and sedimentation processes.Moreover, the study of unconformity has practical applications in fields such as natural resource exploration. Oil and gas companies often rely on geological maps that include information about unconformities to locate potential reservoirs. By understanding the relationships between different rock layers and the presence of unconformity, geologists can make informed predictions about where hydrocarbons might be found.In conclusion, the term unconformity encompasses a vital concept in geology that helps scientists understand the Earth's past and its dynamic processes. By studying unconformities, researchers can reconstruct the geological timeline, gain insights into the evolution of life, and even guide resource exploration. As our understanding of the planet continues to evolve, so too will our appreciation for the complexities revealed by unconformity in the geological record.

在地质学研究中，一个经常出现的术语是不整合面，它指的是地质记录中的一个重要间隙。这个间隙发生在沉积岩层没有连续沉积时，导致老层和年轻层之间存在不连续性。理解不整合面对地质学家来说至关重要，因为它提供了关于地球历史和塑造其表面的过程的见解，历时数百万年。有几种类型的不整合面，包括角度不整合面、缺整合面和非整合面。角度不整合面发生在倾斜或褶皱的沉积岩被年轻的水平层覆盖时。这种类型的不整合面表明在沉积年轻层之前经历了一段变形和侵蚀期。而缺整合面则表示沉积记录中的一个间隙，其中层是平行的，但被侵蚀期分隔。最后，非整合面发生在沉积岩上方沉积在火成岩或变质岩之上，这表明这些不同岩石类型形成之间存在显著的时间间隔。不整合面的概念不仅对理解地质构造至关重要，而且对于解释地球上生命的历史也很重要。沉积层中的化石可以提供关于过去环境、气候变化和生物进化的线索。当地质学家识别出不整合面时，他们可以推断出在没有任何沉积物沉积的情况下，已经过去了相当长的时间，这可能与地球历史上的重大事件相关，如大规模灭绝或显著的气候变化。例如，美国著名的大峡谷展示了各种不整合面，揭示了复杂的地质历史。峡谷的墙壁暴露出近二十亿年前的岩层，其中一些部分表明记录中缺失了大量的时间。这种不整合面使科学家能够拼凑出导致当前景观的事件，包括火山活动、侵蚀和沉积过程。此外，对不整合面的研究在自然资源勘探等领域也具有实际应用。油气公司通常依赖于包含有关不整合面信息的地质图来寻找潜在的储层。通过了解不同岩层之间的关系以及不整合面的存在，地质学家可以做出关于碳氢化合物可能存在位置的明智预测。总之，术语不整合面涵盖了地质学中的一个重要概念，帮助科学家理解地球的过去及其动态过程。通过研究不整合面，研究人员可以重建地质时间线，获得关于生命演化的见解，甚至指导资源勘探。随着我们对地球的理解不断发展，我们对地质记录中由不整合面揭示的复杂性的欣赏也将不断加深。