斜长岩的
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The chemical composition of Pingyang gneissic granite with high contents of SiO〓, Na〓O, Sr and Ba was inherited and developed from that of mainly biotite gneiss through anatexis under the background of regional migmatisation, it might also be introduced the fluid material from deep.
平阳片麻状花岗岩的化学成分是在区域混合岩化对岩石成分总体改造趋势的背景下,在黑云斜长片麻岩成分的基础上,通过黑云斜长片麻岩的深熔以及可能的变质脱水反应流体和深部流体的加入演变而成,富SiO〓、Na〓O以及Sr和Ba。
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Composed mainly of anorthosite and plagiogranite, the leucocratic rocks show distinct Eu positive anomaly.
浅色岩类的岩石类型包括斜长岩和斜长花岗岩,它们均呈岩块状包裹于蛇纹岩中。
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SHRIMP zircon U-Pb ages of gabbro, anorthosite, and plagiogranite from the ophiolitic complex, and related marginal granite in the Jinshajiang area, provides important geochronological constraints for the oceanic spreding, the subduction and final collision, therefore, which constructs a time framework for the Jinshajiang Paleo-Tethys evolution.
应用SHRIMP方法测定了金沙江蛇绿岩中的各类辉长岩,斜长岩,斜长花岗岩,及沿金沙江带分布的陆缘型花岗岩的年龄,提供了洋壳形成,俯冲消减和碰撞造山事件等古特提斯演化的重要的同位素地质年代学制约,从而建立了金沙江古提斯演化的年代格架。
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The volcanic rocks of the Xiong'er Group is also widespread in the Baoji and Lvliang area and also appear as 1.75Ga-old mafic dyke swarms, A-type granites, later anorthosite and rapakivi granites (1.75-1.70Ga), and alkaline granitoids (~1.65Ga). These intrusive rocks are assumed to have genetic link to the volcanic rocks of the Xiong'er Group.
熊耳期岩浆活动在华北陆块广泛分布,除了陕西宝鸡附近及山西吕梁地区的火山岩,还广泛分布1.75Ga前后的基性岩墙群、A-型花岗岩以及比熊耳群稍晚的斜长岩、奥长环斑花岗岩等(1.75-1.70Ga)和碱性花岗岩类(~1.65Ga)。
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Pyroxene grains in gabbroic anorthosite,troctolite,microporphyritic crystalline impact melt breccia,and Ti-bearing clasts are mainly low-Ca pigeoniteEn_(63Fs_(32)Wo_5,En_(66)Fs_(23)Wo_(11),En_(55)Fs_(38)Wo_7,and En_(57)Fs_(35) Wo_8,respectively,and those in anorthositie gabbro,gabbro,and the matrix display a wide range of compositionEn_(31~33Fs_(35~48) Wo_(19~34),En_(18~48)Fs_(23~51)Wo_(24~38)+En_(1~9)Fs_(65~86)Wo_(14~26),En_(11~53)Fs_(23~63)Wo_(6~36),respectively,mainly occurring as pigeonite,augite, and trace amounts of pyroxferroite.
辉长质斜长岩、橄长岩、微斑熔融角砾岩等岩屑和含钛玻屑中的辉石相对贫钙,主要为易变辉石(分别为En63 FS32 WO5,En66FS23WO11,En55FS38Wo7和En57FS35WO8),而斜长岩质辉长岩和辉长岩岩屑中的辉石和晶屑辉石的成分变化比较大(分别为En31~33 FS35~48 WO19~34,En18~48 FS23~51 WO24~38+En1~9 FS65~86 WO14~26和En11~53 FS23~63WO6~36),为易变辉石和普通辉石,以及少量三斜铁辉石。
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Below 1100℃, the amount of argon released from irradiated samples is in an order of: plagioclase rock>striped migmatite>granite>garnetiferous mica schist>calciummuddy shale>basalt.
在1100℃之前,辐照样释放的氩气量按顺序排列为:斜长岩>条带状混合岩>花岗岩>含石榴石云母片岩>钙泥质页岩>玄武岩。
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Any of a common rock-forming series of triclinic feldspars, consisting of mixtures of sodium and calcium aluminum silicates.
斜长岩三斜晶长石系列中一种普通的成岩石,由钠和钙铝硅酸盐组成
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Any of a common rock - forming series of triclinic feldspar s,consisting of mixtures of sodium and calcium aluminum silicates.
斜长岩三斜晶长石系列中一种普通的成岩石,由钠和钙铝硅酸盐组成
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Any of a common rock - forming series of triclinic feldspars,consisting of mixtures of sodium and calcium aluminum silicate s.
斜长岩三斜晶长石系列中一种普通的成岩石,由钠和钙铝硅酸盐组成
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Composed mainly of anorthosite and plagiogranite, the leucocratic rocks show distinct Eu positive anomaly.
浅色岩类的岩石类型包括斜长岩和斜长花岗岩,它们均呈岩块状包裹於蛇纹岩中。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。