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zircons 英'zɜːkənz美'zɜːkənz COCA¹⁰⁹¹⁹¹BNC⁷³²²⁰
基本英英例句Thesaurus例句
锆石¹⁰⁰原型zircon的复数
名词 zircon:
a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparentToday, Earth teems with thousands of kinds of minerals, from agates tozircons.今天，地球充满从玛瑙到锆石等成千上万种矿物。
The method based on the detailed determination of the morphology ofzirconsis proposed forthe petrogenetic classification of granites.文章通过对锆石晶形的仔细鉴定来探讨花岗岩的起源。as in.diamond
同义词 gem,jewel,rhinestoneallotrope,corundum,ice,lozenge,paragon,rhombus,rock,solitairebort,brilliant,jager
diamondnoun gemstone
allotrope,bort,brilliant,corundum,gem,ice,jager,jewel,lozenge,paragon,rhinestone,rhombus,rock,solitaire,zircon The dating of these zircons indicates that they can be divided into two groups according to their ages.
定年结果表明，变质英安岩中锆石具有两组年龄。 xuebao.jlu.edu.cn
“ 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。” yeeyan
“ This was a big surprise to us, ” Rasmussen says, especially because the zircons themselves ranged in age from 3.34 billion and 4.24 billion years old.
“这个结果让我们大吃一惊，”拉斯姆森说，特别是因为那些锆石样本自身的年龄已经有33.4亿-42.4亿年了。 yeeyan
A total of485 zircons held inclusions, and about a dozen or so of these contained radioactive trace elements that allowed the researchers to determine their ages.
总共有485块锆石内部带有包体，其中有十几块包体中含有放射性微量元素，研究者可以根据它们来测定包体的年代。 yeeyan
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。 yeeyan
If that type of mineral is missing from all of the zircons in a particular sample, he notes, that's a clue that the inclusions may have been chemically altered.
如果在某一次取样中，所有的锆石里都不含这种矿物，那就是在提示包体的化学成分可能已经发生了改变。 ufochn
In the CathodoluminescenceCL images the zircons extracted from the dioritic gneiss show good crystal morphology and clear oscillatory zoning, as is the case of magmatic zircon.
在阴极发光图像中，片麻岩中的锆石具有较好的晶形，并显示出清晰的岩浆锆石韵律环带结构。 cnki
In the cathodoluminescence images, the zircons show good crystal morphology and clear oscillatory zoning, as is the case of magmatic zircon.
阴极发光图像中，锆石具有较好的晶形，并显示出清晰的岩浆锆石韵律环带结构。 cnki
Rather than matching the ages of the zircons, the researchers note, the ages of the inclusions matched the ages of the metamorphic minerals surrounding the zircons.
研究人员发现，这些包体的年代与锆石样本周围的变质矿物的年代相当，而与包裹它们的锆石样本年代不符。 yeeyan
Several inheritable magmatic zircons appearing different ages implied that NE China experienced multiple tectonic- thermal events in Mesozoic.
多组继承性岩浆锆石年龄的获得，指示东北地区古生代至中生代期间发生过多次构造热事件。 www.say666.com
Some of those inclusions lie along hairline fractures in the zircons, a route by which mineral- rich fluids could have infiltrated, Rasmussen says.
拉斯姆森说，有些包体位于锆石内部的细微裂隙旁边，而这些裂隙可以充当通道让富含矿物质的液体通过它们渗入锆石内部。 yeeyan
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。 geojournals
These zircons ended up in the Jack Hills rocks after eroding from rocks that were even more ancient, and the researchers painstakingly sorted the individual crystals from other bits of minerals.
这些锆石是从年代更久远的岩石上被剥蚀下来之后进入杰克山的岩石中的，研究人员费了很大力气才把这些锆石晶体从其它矿物碎片中拣选出来。 yeeyan
Zircons from Mingxi, Fujian, southern China, grayish-brown in color, have been heat treated.
福建明溪的锆石以灰褐色为多，通过热处理可将其改成浅蓝色或无色。 cnki
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。 ufochn |