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Archean相关的网络例句

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与 Archean 相关的网络例句 [注:此内容来源于网络,仅供参考]

The Au background values are generally high in the amphibolitic rocks of the Archean metamorphic series, which is the main source bed of the region. Amphibolite facies is the major Au-bearing lithofacies.

太古宙变质岩系中的"角闪质"岩石的金元素背景值普遍较高,为本区的主要矿源层,角闪岩相是含金的主要岩相。

Temperatures during the Archean were at least as high as they are today, despite the weaker sun, he says.

他说,尽管当时的阳光较弱,太古代期间的温度至少跟现在一样高。

Various geochronometric methods have been applied to dating of important geologic events in complex Archean terranes.

在复杂的太古代地体的重要地质事件定年中已采用了多种地质年龄测定方法。

The early Archean supracrustal rocks in this region are composed of the meta-volcanic rocks and metasedimentary rocks.

本区早太古宙上壳岩是由变质火山岩和变质沉积岩组成。

The fault zone perhaps originated at later Archean and controlled the formation of the two greenstone belts.

本断裂带可能在晚太古代形成雏形,并控制了两期绿岩带的形成。

The genesis of Archean granitoids are a long controversy problem.

太古宙花岗岩类的成因是地学界争论颇久的问题。

The complex was traditionally considered as the Archean basement of the Yangtze Block, but recent isotopic dating results indicate that it was not formed in Archean.

康定杂岩以往被认为是扬子地块太古宇的基底,但近年来的同位素年龄测定结果表明其并不是形成于太古宙。

Strike-slipping shearing at the margin of Archean craton during late Archean to early Proterozoic.

区域普遍存在两期主要的金矿化,且与两期重要的构造一热事件有关。

Recently komatiite with a typical spinifex texture has been discovered at Sujiagou Village, Dabu Township, Mengyin County, Shandong Province, which further verifies that western Shandong is one of the most typical Archean greenstone belt in the North China platform and even in the world and provides new information for the research on the Archean greenstone belt and its mineral resources in western Shando...

最近,在蒙阴县坦埠镇苏家沟村发现的具典型鬣刺结构科马提岩,进一步证实了鲁西地区是华北地台上乃至世界上最典型的太古代绿岩带之一,为鲁西地区太古代绿岩带及其矿产的研究提供了新的信息。

The Pb isotopic compositions of the ores are similar to those of the syenite, as shown in the 207Pb/206Pb-208Pb/206Pb diagram, the ores, syenite, and Archean metamorphic rocks are linearly correlated and the ores are more closely related to the syenite than Archean metamorphic rocks do.

矿石铅同位素组成与正长岩杂岩体相似,在207Pb/206Pb-208Pb/206Pb图解上,矿石、正长岩、矿石中的钾长石脉石及太古宇桑干群变质岩呈线性分布,矿石与正长岩在铅同位素组成上更接近,而与太古宙变质岩有明显的区别。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

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