zircons

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1.
Many scientists are trying to test whether similar conditions produced the ancient Jack Hills zircons .
目前有很多科学家都在尝试，想了解是否因相似的条件而造就了杰克丘的古锆石。
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2.
For instance, zircons and a few grains of quartz have been found on the moon, which never developed a granitic, continental-style crust.
例如，在月球那样绝不会有花冈岩或大陆型态地壳出现的地方，仍可找到锆石及少许的石英结晶。
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3.
These findings imply that the zircons were once plentiful and came from a widespread source region, possibly a continental landmass.
这些发现暗示，锆石的数量曾经很丰富，而且源自一片分布很广的地区，例如一个大陆陆块。
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4.
The analysis results show that there are two types of zircons from the Danzhu granodiorite: magmatic zircon and metamorphic zircon.
研究结果表明，该花岗闪长岩中存在两种不同类型的锆石：岩浆锆石和变质锆石。
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5.
"These zircons have been absolutely hammered, " Rasmussen says.
拉斯姆森表示：“这些锆石绝对经过一番摔打。”
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6.
The distribution of ancient zircons provided additional evidence.
古锆石的分布也提供了其他的证据。
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7.
Zircons in the rocks were exposed to the same conditions.
这些岩石中的锆石也暴露在同样的环境中。
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8.
Today, Earth teems with thousands of kinds of minerals, from agates to zircons .
今天，地球充满从玛瑙到锆石等成千上万种矿物。
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9.
Found in rocks throughout Earth's crust, zircons are some of the oldest bits of mineral on Earth.
广泛分布于地壳各处岩石中的锆石是地球上最古老的矿物之一。
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10.
Petrogenesis of Late Jurassic Jingshan granite in Bengbu uplift, Anhui province: constraints from geochemistry and Hf isotope of zircons
安徽蚌埠荆山晚侏罗世花岗岩岩体成因——来自地球化学和锆石Hf同位素的制约
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