专业释义英英释义
Allanite
- abstract: Allanite is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare earth elements. The mineral occurs mainly in metamorphosed clay rich sediments and felsic igneous rocks.
以上来源于: WordNet
柯林斯英汉双解大词典
allanite /ˈæləˌnaɪt/
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1.
N a rare black or brown mineral consisting of the hydrated silicate of calcium, aluminium, iron, cerium, lanthanum, and other rare earth minerals. It occurs in granites and other igneous rocks. Formula: (Ca,Ce,La,Y)2(Al,Fe,Be,Mn,Mg)3(SiO4)3(OH) 褐帘石
双语例句
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It was found that except for usual eclogitic minerals such as garnet, omphacite and rutile, the eclogites contain allanite and fluor-apatite.
对北大别西南部“罗田穹隆”中超高压榴辉岩进行了变质岩石学研究，发现其中含有褐帘石和氟磷灰石。
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Mineralogically, zoisite is a member of the epidote group, the other members of which are clinozoisite, epidote perse, piemontite, and allanite.
从矿物学上讲，黝帘石是绿帘石家族的一员，绿帘石还有褐帘石等。
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Most of these epidotes are idiomorphic, and they are featured frequently with melting corrosion structure and occasionally with allanite-rich cores.
这些绿帘石呈自形晶，普遍发育熔蚀结构，部分具褐帘石核。
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