我们现在生活在人类世,用人类来决定地质年龄的世界。
We now live in the Anthropocene, a geological age of mankind's making.
结合同位素地质年龄,区域对比分析,确认昔格达组属上新世至早更新世沉积。
Isotopic dating and regional stratigraphic correlation indicate that the Xigeda Formation is Pliocene-Early Pleistocene sediment.
尽管乔利的计算有误,但其计算显然支持了那些坚持认为地球的年龄远远超过几百万年的地质学家。
Even though in error, Joly's calculations clearly supported those geologists who insisted on an age for Earth far in excess of a few million years.
勒克瑙大学的地质学教授辛格议员说:“其实,石头神像吸收液体是个很自然的现象,而且,石头的年龄越长,吸收的液体会越多。”
"It is very natural for any stone idol to absorb any liquid and the older the stone the more it absorbs," M.P.Singh, a geology professor at Lucknow University, said.
勒克瑙大学的地质学教授辛格议员说:“其实,石头神像吸收液体是个很自然的现象,而且,石头的年龄越长,吸收的液体会越多。”
"It is very natural for any stone idol to absorb any liquid and the older the stone the more it absorbs," M. P. Singh, a geology professor at Lucknow University, said.
勒克瑙大学的地质学教授辛格议员说:“其实,石头神像吸收液体是个很自然的现象,而且,石头的年龄越长,吸收的液体会越多。”
"It is very natural for any stone idol to absorb any liquid and the older the stone the more it absorbs," M.P. Singh, a geology professor at Lucknow University, said.
地质学家在石笋上钻孔,使用铀衰变成钍的同位素的方法确定它们的年龄。
In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium.
地质学家已经计算出了地球的年龄。
用色彩编码岩层,以及用符号标注地质构造,所以年龄关系是明显的。
Rock formations are color-coded and symbols for geological structures are annotated, so age relationships are evident.
该岩溶地下水年龄之所以偏大,主要是因为受制于其所处的地质环境的制约,水循环交替比较缓慢。
The major reason for the groundwater getting older is the water cycle becoming slower that is influenced by the geologic environment.
岩石同位素年龄已成为解决地质问题的一个重要手段。
Isotopic age has become an important means solving geological problems.
冷却年龄只能限制变质-变形事件发生的时间区间,不能真正代表地质事件的发生时间。
Cooling ages are only restricted within the time range of occurrence of an event of metamorphism-deformation and cannot represent the real time of occurrence of a geological event.
尽管我国好多矿床已经测得了大量同位素年龄资料,但这决不等于这些年龄数据均能标定成矿过程中某一地质事件发生的时代。
A lot of isotopic age data of many significant ore deposits in China have been obtained, but a certain geologic event in the mineralization process can not be marked by them.
利用不同地质样品的冷却年龄峰值,可以定性地估算区域隆升速率和隆升高度。
The statistical peaks of cooling ages of distinct geological samples can be used to qualitatively estimate the uplifting ratio and the uplifting height of a region.
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。
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.
根据地质体的形成温度和被测定矿物封闭温度之间的关系,讨论了各个年龄的地质含义。
According to the relationship between the formation temperatures of geological bodies and the sealing temperature of ar in minerals, the geological implications of various ages are discussed.
对放射性同位素衰变的测量,尤其是铀、锶、铷、氩和碳,可允许地质学家更精确地确定岩层的年龄。
The measurement of the decay of radioactive isotopes, especially uranium, strontium, rubidium, argon and carbon, has allowed geologists to more precisely determine the age of rock formations.
今天我想讨论我们确定一块土地的年龄或者其他地质学特征的方法-年代测定技术。
Today I want to talk about way at which we are able to determine how old a piece of land or some other geologist feature is-dating techniques.
并应用环境氚和分带-混合模型佔算地下水年龄和储存量根据水文地质构造条件和地下水年龄,该岩溶水被分为老水和新水。
The environmental tritium and zoning-mixing model is used to assess its age and reserve. According to the hydrogeological structure and groundwater age, the water is divided into "old" and "new".
地质学家已经计算出了地球的年龄。
The geologist theorized brilliantly about the age of the earth.
显然,如果只想使用任何一种地质事件的年龄来确定碰撞作用的初始作用时间都是很困难的。
Obviously, it is very difficult to determine the initial age of subduction by using the isotopic age of only one geological event.
显然,如果只想使用任何一种地质事件的年龄来确定碰撞作用的初始作用时间都是很困难的。
Obviously, it is very difficult to determine the initial age of subduction by using the isotopic age of only one geological event.
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