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Trace element exhibits enrichment of LREE and antipathic elements. Trace element spidergram of obvious right deviation and extremely high containing of Sr, Zr and Hf are different from the negative anomaly of dunite which lies the bottom of ophiolite, but has weak positive anomaly.
微量元素显示LREE和不相容元素的富集，右倾的微量元素分布模式，异常高的Sr含量，Zr、Hf不同于蛇绿岩底部纯橄榄岩的负异常，而显示出微弱正异常，这些特征都与经典蛇绿岩层序底部的地幔橄榄岩不同。
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It mainly reaches the following achievements:1 Through the research of petrology and geochemistry, it is found that dunite takes over 85 percent in ultramafic intrusion, which largely contains Mg(39.66%-47.20%) and Fe(733%-11.17%). The containing of Mn. K. Na, P and Ti is less than 0.1 percent respectively. So it has typical characteristic of leaving of mantle rocks, while it doesnt have partly characteristic of melting.
主要取得以下认识： 1 通过对超镁铁质岩体的岩石学、地球化学研究发现，松树沟超镁铁质岩体主要由纯橄榄岩和方辉橄榄岩组成，纯橄榄岩占85%以上，变质浅，变形相对简单，富含Mg(39.66%—47.20%)和Fe(7.33%—11.17%)，Mn、K、Na、P和Ti的含量通常都低于0.1%，具有明显的地幔岩残留体性质，而不具有部分熔融的特征。
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There are two types of peridotites within this UHP belt.(1) Garnet peridotite consists of garnet lherzolite, garnet-bearing dunite, garnet-free dunite and garnet pyroxenite, which could be considered as one of the critical rock types in a continental-type subduction zone.
根据岩石学特征，我们确定柴北缘超高压带中发育有两种类型的橄榄岩：(1)石榴橄榄岩，岩石类型包括石榴二辉橄榄岩、石榴方辉橄榄岩、纯橄岩和石榴辉石岩，是大陆型俯冲带的标志性岩石。
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There are two types of peridotites within this UHP belt.(1) Garnet peridotite consists of garnet lherzolite, garnet-bearing dunite, garnet-free dunite and garnet pyroxenite, which could he considered as one of the critical rock types in a continental-type subduction zone.
根据岩石学特征，我们确定柴北缘超高压带中发育有两种类型的橄榄岩：(1)石榴橄榄岩，岩石类型包括石榴二辉橄榄岩、石榴方辉橄榄岩、纯橄岩和石榴辉石岩，是大陆型俯冲带的标志性岩石。
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The mineral chemistry, trace elements and Sr-Nd isotopic geochemistry of different types of deep-seated inclusions indicate that Group Ⅰinclusions in western Shaudong could be the relicts of high degree of partial melting of the mantle-derived peridotites and then subjected to mantle metasomatism; the dunite and harzburgite in Group Ⅱ inclusions could be resulted from the metasomatism of silica-rich melts in the upper mantle; the olivine-pyroxenite and pyroxenite in Group Ⅱ and Group Ⅲ inclusions could be magmatic cumulates derived from magma underplating in the upper mantle.
不同结构类型深源岩石包体的矿物化学、元素和同位素地球化学研究表明，鲁西具有变质变形结构特征的橄榄岩类岩石包体为岩石圈地幔橄榄岩部分熔融后的残留体，其后又遭受了地幔交代作用的改造；具有变质变形结构，并叠加有矿物反应结构的纯橄岩和方辉橄榄岩类包体为古老岩石圈地幔被富硅质熔体改造的结果；具有残留岩浆结晶结构的橄榄岩、橄辉岩类岩石包体以及具有变晶结构或堆晶结构的辉石岩类包体为地幔更早期岩浆作用的在上地幔的堆积体。
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The meta-peridotite consists of dunite, harzburgite, lherzolite, feldspar-bearing lherzolite and garnet-bearing lherzolite and contains residual spinel with Cr#s [100*Cr/] of 30-57 and Mg#s [100*Mg/(Mg+Fe2+)] of 50-75, indicating an Al- and Mg-rich series.
变质橄榄岩主要为纯橄岩、方辉橄榄岩、二辉橄榄岩、含长二辉橄榄岩和含石榴石二辉橄榄岩，岩石中残余尖晶石的Cr'值=100×Cr/(Cr+Al为30～57，Mg'值=100×Mg/(Mg+Fe2+为50～75，指示一个富Al和Mg成分系列。
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Volcanic rocks contain plenty of mantle-derived xenoliths, including spinel lherzolites with subordinate wehrlite, dunite, olivine websterite, clinopyroxenite and garnet lherzolite , and few olivine, clinopyroxene and spinel xenocrysts.
火山岩中含有的地幔捕虏体类型主要有：尖晶石二辉橄榄岩、石榴石二辉橄榄岩、纯橄岩、异剥橄榄岩和单斜辉石岩；捕虏晶主要有橄榄石、单斜辉石和尖晶石。
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Rock types of lithospheric mantle beneath Eastern-North China platform include harzburgite, garnet and/or chromite lherzolite, dunite, wehrlite, pyroxenite, phlogipitite, eclogite, and metasomatic rocks.
华北地台东部古老地幔岩石类型包括方辉橄榄岩、石榴石/铬尖晶石二辉橄榄岩、纯橄榄岩、异剥橄榄岩、各种类型的金云母岩和辉石岩、榴辉岩及交代岩石。
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A dense igneous rock that consists mainly of olivine and is a source of magnesium.
纯橄榄岩一种密度大的大成岩，主要由橄榄石组成，是镁的一种来源
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These processes resulted i n the formation of peculiar dunites in the hyperbasite complexes ,development of low-sulfide horizons and hortonolite dunites in the basite-hyp erbasite layered intrusions (platinum-group metal deposits),and specific proces ses of transmagmatic sulfurization of the iron-rich igneous differentiates (Cu -Ni sulfide and Cu-Zn-Pb sulfide ores).
这些作用导致产在超基性杂岩中的特殊纯橄榄岩、基性超基性层状侵入体中的低硫层和铁镁橄榄石纯橄榄岩的形成，以及富铁火成分异岩的透岩浆硫化作用(Cu-Ni硫化物和Cu-Zn-Pb硫化物矿石)。
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dun：登
但含少量作为副矿物的辉石和铬铁矿. 在北卡罗来纳、南卡罗来纳和佐治亚的纯橄榄岩具有重要的意义,因为商业上的刚玉矿床与它们伴生. 苏联乌拉尔山脉和新西兰有大的岩体群,该岩石是以新西兰著名的登(Dun)山命名的.
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dungy：满地是粪的/肮脏的
dunghill /粪堆/堆肥/简陋的房屋/ | dungy /满地是粪的/肮脏的/ | dunite /纯橄榄岩/
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dunite：纯橄榄岩
自然铂主要产在基性和超基性的火成岩中,尤其是纯橄榄岩(Dunite)内较为常见. 它的化学性质极不活泼,在自然界中以自然金属状态产出,其耐酸碱的能力特别强,除了热王水外,不溶于任何酸中. 自然铂结晶成等轴晶系,具金属光泽,
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enstatite dunite：顽火纯橄榄岩
顽火玻基辉橄岩 enstatite limburgite | 顽火纯橄欖岩 enstatite dunite | 顽火玢岩 enstatite porphyrite
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ilmenite dunite：钛铁纯橄榄岩
钛铁异剥岩 ilmenite diallagite | 钛铁纯橄榄岩 ilmenite dunite | 钛铁苏长岩 ilmenite-norite
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dunn bass：泥质页岩
dunite 纯橄榄岩 | dunn bass 泥质页岩 | duplex 二倍的
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olivine rock：纯橄榄岩
olivine 橄榄石 | olivine rock 纯橄榄岩 | on stream period 连续工妆期
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ilmenite diallagite：鈦铁异剥岩
钛铁古铜灰岩 ilmenite bronzitite | 钛铁异剥岩 ilmenite diallagite | 钛铁纯橄榄岩 ilmenite dunite
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dungyard：粪场 积粪场
dungtub 粪桶 | dungyard 粪场 积粪场 | dunite 纯橄榄岩
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olivine type macrocrystalline glaze：橄榄石型巨晶釉
olivine rock 纯橄榄岩 | olivine type macrocrystalline glaze 橄榄石型巨晶釉 | olivine-apatite rock 橄榄磷灰岩