geochronology

简明释义

英[ˌdʒiːəʊkrəˈnɒlədʒi]美[ˌdʒiːoʊkrəˈnɑːlədʒi]

n. 地质年代学

英英释义

单词用法

同义词

反义词

例句

1.Geochronology is the science of measuring ages, rates, and histories of geologic or planetary materials, and using these insights to understand processes and phenomena in earth and planetary science.

同位素地质年代学是测量年龄，利率，和历史或行星的地质资料的一门科学，运用这些见解的过程和现象可以了解地球与行星科学系。

2.Geochronology is the science of measuring ages, rates, and histories of geologic or planetary materials, and using these insights to understand processes and phenomena in earth and planetary science.

同位素地质年代学是测量年龄，利率，和历史或行星的地质资料的一门科学，运用这些见解的过程和现象可以了解地球与行星科学系。

3.The Herto samples were analyzed by Paul Renne of the Berkeley Geochronology Center and in Bill Hart's lab at Miami University. The results gave an age of 160, 000 to 154, 000 years for the skull.

伯克利地质年代中心的保罗·雷恩和比尔·哈特在迈阿密大学的实验室分析了在赫托村发现的这些样品，鉴定结果显示头骨距今约为16万年前至15.4万年前之间。

4.This paper presents a systematic study on morphology, geochemistry and geochronology of a zircon population from the Danzhu granodiorite located in the southwest region of the Zhejiang province.

本文对浙西南地区淡竹花岗闪长岩中的锆石群进行了形态学、地球化学和年代学的系统研究。

5.The succession, division and correlation of these strata are studied with lithostratigraphy, biostratigraphy and isotopic geochronology methods and by the combination of of point, line and area.

采取点、线、面相结合， 岩石地层学、 生物地层学和同位素年代学相结合的工作方法，研究了这套地层的层序、划分和对比问题；

6.This paper includes a systematic analysis and correlation study on the sporopollen assemblage, stratigraphic sequence and geochronology of the Siwangou red bed section in Yaojie, Gansu.

对窑街寺湾沟-炭洞沟红层孢粉和地层层序及时代进行了系统分析与对比研究。

7.Up to now, the Earth's orbital parameters remain the only periodicities in geology subject to precise calculations and, therefore, may provide new scales for geochronology.

迄今为止，地球轨道参数的变化是地质尺度上惟一可以精确定量计算的周期现象，可以用作地质计时的标尺。

8.The results of systematic studies of geochronology, geochemistry and uranium metallogenic condition of volcanic rocks and granites in Guyuan-Duolun Basin are reported.

对沽源-多伦盆地火山岩类和花岗岩类进行了同位素地质年代学、地球化学和铀成矿条件的系统研究。

9.This paper studied the geochronology of sandstone-type uranium deposit in the Dongsheng area of Ordos Basin.

文章研究了鄂尔多斯盆地东胜地区砂岩型铀矿成矿年代学特征。

10.The study of the Earth's history relies heavily on geochronology, which is the science of dating rocks and sediments.

地球历史的研究在很大程度上依赖于地质年代学，即对岩石和沉积物进行定年的科学。

11.In geochronology, radiometric dating techniques are often used to determine the age of geological formations.

地质年代学中，放射性测年技术常用于确定地质构造的年龄。

12.Understanding geochronology helps geologists piece together the timeline of Earth's evolution.

理解地质年代学有助于地质学家拼凑出地球演化的时间线。

13.The findings from geochronology can provide insights into past climate changes.

地质年代学的发现可以为过去的气候变化提供见解。

14.Many fossils are dated using geochronology to understand the history of life on Earth.

许多化石通过地质年代学进行定年，以了解地球上生命的历史。

作文

Geochronology is a branch of geology that focuses on the age of Earth materials and the timing of geological events. This scientific discipline plays a crucial role in understanding the history of our planet, as it allows researchers to determine when specific rocks were formed and how they relate to one another in the geological time scale. By studying the ages of various rock formations, scientists can reconstruct the sequence of geological events that have shaped the Earth over millions of years. The methods used in geochronology (地质年代学) are diverse, including radiometric dating, stratigraphy, and paleomagnetism, each providing unique insights into the Earth's past. One of the most significant contributions of geochronology (地质年代学) is its ability to establish a timeline for major geological events, such as the formation of mountain ranges, volcanic eruptions, and mass extinctions. For instance, the discovery of radiometric dating techniques has revolutionized our understanding of the age of the Earth itself, which is now estimated to be about 4.54 billion years old. This method relies on the decay of radioactive isotopes within minerals to calculate the time elapsed since those minerals formed. As a result, geochronology (地质年代学) has provided critical evidence for the theory of plate tectonics and has helped to explain the dynamic processes that have occurred throughout Earth's history. Moreover, geochronology (地质年代学) is essential in the field of paleontology, where it aids in dating fossils and understanding the evolution of life on Earth. By correlating the ages of rock layers with the fossils they contain, scientists can piece together the timeline of biological evolution and the environmental changes that influenced it. This information is vital for understanding not only the history of life but also the factors that have led to biodiversity and extinction events. In addition to its applications in geology and paleontology, geochronology (地质年代学) has implications for other fields, such as archaeology and climate science. In archaeology, dating artifacts and human remains is crucial for constructing timelines of human history and cultural development. Techniques derived from geochronology (地质年代学), such as carbon dating, allow archaeologists to determine the age of organic materials, providing context for ancient civilizations and their interactions with the environment. Climate science also benefits from geochronology (地质年代学), particularly in the study of ice cores and sediment layers. By analyzing the layers of ice or sediment deposited over time, scientists can infer past climate conditions and understand how the Earth's climate has changed throughout its history. This knowledge is essential for predicting future climate trends and for developing strategies to mitigate the impacts of climate change. In conclusion, geochronology (地质年代学) is a fundamental scientific discipline that provides invaluable insights into the age of Earth materials and the timing of geological events. Its applications span across various fields, enhancing our understanding of the planet's history, the evolution of life, and the changes in climate over time. As research in geochronology (地质年代学) continues to advance, we can expect to uncover even more about the intricate story of our Earth and the forces that have shaped it.

地质年代学是地质学的一个分支，专注于地球材料的年龄和地质事件的时间。这一科学学科在理解我们星球的历史方面发挥着至关重要的作用，因为它使研究人员能够确定特定岩石形成的时间以及它们在地质时间尺度上的相互关系。通过研究各种岩石层的年龄，科学家可以重建塑造地球数百万年来的地质事件的顺序。地质年代学的方法多种多样，包括放射性测年、地层学和古地磁学，每种方法都提供了对地球过去的独特见解。 地质年代学最重要的贡献之一是建立主要地质事件的时间表，例如山脉的形成、火山喷发和大规模灭绝。例如，放射性测年技术的发现彻底改变了我们对地球年龄的理解，现估计地球的年龄约为45.4亿年。这种方法依赖于矿物中放射性同位素的衰变来计算自这些矿物形成以来经过的时间。因此，地质年代学为板块构造理论提供了关键证据，并帮助解释了贯穿地球历史的动态过程。 此外，地质年代学在古生物学领域也至关重要，它有助于为化石定年并理解地球上生命的演化。通过将岩层的年龄与其中包含的化石进行关联，科学家可以拼凑出生物进化的时间表以及影响这一过程的环境变化。这些信息对于理解不仅是生命的历史，还有导致生物多样性和灭绝事件的因素至关重要。 除了在地质学和古生物学中的应用外，地质年代学还对考古学和气候科学等其他领域具有重要意义。在考古学中，给文物和人类遗骸定年对于构建人类历史和文化发展的时间线至关重要。源自地质年代学的技术，如碳测年，使考古学家能够确定有机材料的年龄，为古代文明及其与环境的互动提供背景。 气候科学也受益于地质年代学，特别是在冰芯和沉积层的研究中。通过分析随时间沉积的冰层或沉积物层，科学家可以推断过去的气候条件，并了解地球气候如何在其历史上发生变化。这些知识对于预测未来气候趋势以及制定减轻气候变化影响的策略至关重要。 总之，地质年代学是一个基础科学学科，它提供了关于地球材料年龄和地质事件时间的宝贵见解。其应用跨越多个领域，增强了我们对地球历史、生命演化和气候变化的理解。随着地质年代学研究的不断进展，我们可以期待揭示更多关于我们地球复杂故事及其塑造力量的信息。