助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   hybrid magma 的翻译结果: 查询用时:0.066秒
图标索引 在分类学科中查询
所有学科
地质学
更多类别查询

图标索引 历史查询
 

hybrid magma
相关语句
  岩浆混合
     Geochemical features of Mishuling hybrid magma granite and its tectonic significance in Western Qinling
     西秦岭糜署岭岩浆混合花岗岩地球化学特征及构造意义
短句来源
  相似匹配句对
     Hybrid ATM
     混合的ATM技术
短句来源
     Hybrid Mail
     混合邮件
短句来源
     MAGMA HYBRID PROCESS--FIELD EVIDENCES FROM GANSU BEISHAN MOUNTAINS
     岩浆混合作用——来自甘肃北山的野外证据
短句来源
     Geochemical features of Mishuling hybrid magma granite and its tectonic significance in Western Qinling
     西秦岭糜署岭岩浆混合花岗岩地球化学特征及构造意义
短句来源
     The sulfur is magma-derived.
     硫来自岩浆硫.
短句来源
查询“hybrid magma”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  hybrid magma
The connection with the early hybrid magma body was cut off before episode 30.
      
Zones of elevated Mg# and Cr, 6 to 10 m thick, at these two horizons may indicate the thickness of the hybrid magma formed by the mixing of these two compositions.
      
This hybrid magma crystallized during continued influx to produce massive piC at the base of MCU IV.
      
The hybrid magma segregated sulphides or platinum-group-element-rich phases during the course of the contamination in the lower chamber.
      
Three different types of magma are distinguished: Primary simic magma partly of alkali character, hybrid magma of predominantly intermediate composition, and palingenetic acid magma mainly of calk-alkali character.
      
更多          


A large number of directional microgranular dioritic enclaves occur in Changshannan granodiorite from Kunyushan granitoids in the Jiaodong Peninsula, eastern China. Microgranular dioritic enclaves, commonly showing ellipsoidal and spindled shapes, display igneous textures and range from meter- to centimeter-sized fragments. The enclaves are darker-colored and finer-grained than their hosting granodiorite, and exhibit a very similar mineralogy to those of their granitic hosts. The enclaves have higher contents...

A large number of directional microgranular dioritic enclaves occur in Changshannan granodiorite from Kunyushan granitoids in the Jiaodong Peninsula, eastern China. Microgranular dioritic enclaves, commonly showing ellipsoidal and spindled shapes, display igneous textures and range from meter- to centimeter-sized fragments. The enclaves are darker-colored and finer-grained than their hosting granodiorite, and exhibit a very similar mineralogy to those of their granitic hosts. The enclaves have higher contents of ferro-magnesian phases and plagioclase, and lower contents of quartz and K-feldspar than those found in the hosting granodiorite. The chemical composition of biotite and hornblende within the dioritic enclaves is mostly similar to those of the same phases found in the host granodiorite, but the mineralogy display obvious disequilibrium structure. Acicular apatite is common in the enclaves. Those observations suggest that the enclaves are derived from a hybrid-magma formed as a result the intrusion of a mafic magma into the base af a felsic magma chamber. Geochemical data show dioritic enclaves and hosting granodiorite are enriched in LILEs and LREEs and depleted in HFSEs. Enclaves and hosting granodiorite, similar in Sr- and Nd- isotopic compositions, have low initial 87Sr/86Sr ratios (0.70784-0.70818) and negative εNd(t) values (- 15.0 - - 15.5), and display a trend characterized by a linear correlation between major elements. Petrological and zircon Hf isotopic features indicate the occurrence of magma mixing between mafic magma and felsic magma in the original processes of Changshannan granodiorite. During the magma mixing, the Sr and Nd isotope and later crystallized minerals can much quickly homogenize, but major element and Hf isotope of high temperature mineral such as zircon have preserved some information of the primary magmas. The results indicate that although magma mixing has produced similar Sr and Nd isotopic compositions in the enclaves and the hosting granodiorite, the zircon Hf isotope has not easily reached equilibrium and has more effectively traced the hybrid-magma sources and the magma mixing processes.

胶东昆嵛山杂岩文登长山南花岗闪长岩体中广泛分布具有火成结构的闪长质包体,这些包体主要为椭圆形或纺锤形,定向排列,大小不等(几cm至几m),颜色较寄主岩深,粒度较细。包体具有与寄主岩石相似的矿物组合,但铁镁质矿物及斜长石含量明显比寄主岩石高,而石英和钾长石含量低于寄主岩石;镜下包体具有明显的不平衡反应结构,广泛发育针状磷灰石。在地球化学特征上,包体和寄主岩石部富集大离子亲石元素和轻稀土元素,亏损高场强元素,并具有相近的Sr、Nd同位素组成,ISr为0.70784-0.70818,εNd为-15.0--15.5。然而,包体和寄主岩石的主量元素在相关图上呈明显的线性关系, 并且岩石学和锆石Hf同位素特征也明显表明文登长山南岩体在成岩过程中发生了镁铁质岩浆和长英质岩浆的混合作用。在岩浆混合作用过程中,全岩Sr、Nd同位素和晚期生成的矿物组成比较快速地达到了均一化,而主量元素和高温矿物锆石Hf同位素组成则残留了原始岩浆的部分特征。研究表明,锆石Hf同位素在岩浆混合作用过程中不容易达到同位素平衡,其同位素组成比全岩Sr、Nd同位素更能有效地示踪混合岩浆的源区特征和岩浆混合过程。

The enclaves from rapakivi-textured granite plutons in the Qinling orogenic belt are mainly dioritic magmatic enclaves, having low content in SiO2(50%-62%),high in K2O+Na2O(7.01%-9.4%), δ(5-9), F, REE, Cr, Ni, V and Ga. The major oxide contents of the enclaves and their host rocks plots on the same linear trends. The pattern of REE, trace element and isotopic signatures of the enclaves are similar to those of the host granites. Exchanges of active elements, HLE and LREE occurred between the enclaves and the...

The enclaves from rapakivi-textured granite plutons in the Qinling orogenic belt are mainly dioritic magmatic enclaves, having low content in SiO2(50%-62%),high in K2O+Na2O(7.01%-9.4%), δ(5-9), F, REE, Cr, Ni, V and Ga. The major oxide contents of the enclaves and their host rocks plots on the same linear trends. The pattern of REE, trace element and isotopic signatures of the enclaves are similar to those of the host granites. Exchanges of active elements, HLE and LREE occurred between the enclaves and the host rocks and almost reached equilibrium. Those characteristics were resulted from the nature of magma mingling/mixing, i. e. the formation of rapakivi-textured granite plutons at least involved two kinds of magmas hybrid. Low (87Sr/86Sr)i(0.70514-0.70624), high εNd(t)(-0.95- -3.3), Cr, Ni and V of enclaves suggest that their magma of the enclave may have originated from mantle and may have been a basaltic magma in nature before its mixing with the silisic magma. The relationship between the enclaves and host rocks suggests that the way of the magma mingling/mixing is the basic magma injecting into the acidic magma. This study provides new evidence for the genesis of the rapakivi-textured granites. That is, the granites crystallized from a hybrid magma formed by mingling of the crust-derived acidic magma and the mantle- derived basic magma.

秦岭环斑结构花岗岩中的暗色包体主要为闪长质岩浆包体,SiO2(50%-62%)低,K2O+Na2O(7.01%-9.4%) 高,里特曼指数(δ)为5-9,F、过渡性元素和稀土元素富集。包体和寄主岩石的主要氧化物之间具有良好的线性关系、稀土配分曲线和微量元素配分曲线相似,以及活动性组分、高场强元素、轻稀土和同位素特征等显示,寄主岩石和包体之间发生过明显的成分交换,这些成分在二者中大体上趋于平衡。这种特征表明,环斑结构花岗岩岩浆的形成至少与两种岩浆的混合有关。包体的(87Sr/86Sr)i较低(0.70514-0.70624)、εNd(t)值较高(-0.95--3.3)和富过渡性元素的特征揭示,形成包体的原始岩浆为起源于幔源的玄武质岩浆。包体和寄主岩石的关系显示岩浆的混合方式为基性岩浆注入到已经开始结晶的酸性岩浆。这些研究为环斑结构花岗岩是起源于地壳的酸性岩浆和起源于地幔的基性岩浆形成的混合岩浆结晶的产物提供了新证据;同时,也为环斑结构的混合成因研究提供了新思路和途径。

The late Mesozoic Sanfoshan granite formed during the Yanshanian in the eastern Jiaodong Peninsula, between the Sulu Ultra-high-Pressure-Metamorphic Belt and the Jiaodong Terrane of the North China Craton. The granite that belongs to the Kunyushan Complex mainly consists of monzogranite. In this article, we mainly discuss the geochemistry and petrogenesis of the intrusion. In major elements, the granite shows features of the high-K calca-alkaline series. In trace elements, it shows enrichment of LILE, such as...

The late Mesozoic Sanfoshan granite formed during the Yanshanian in the eastern Jiaodong Peninsula, between the Sulu Ultra-high-Pressure-Metamorphic Belt and the Jiaodong Terrane of the North China Craton. The granite that belongs to the Kunyushan Complex mainly consists of monzogranite. In this article, we mainly discuss the geochemistry and petrogenesis of the intrusion. In major elements, the granite shows features of the high-K calca-alkaline series. In trace elements, it shows enrichment of LILE, such as Rb, Th, Ba, Sr and K, and LREE, and depleting of HFS, such as Nb, Ta, Hf, Ti and P, high Sr/Y, La_n/Yb_n (>20) ratios, low HREE, Y (<18×10~ -6 ) and Yb(<2×10~ -6 ), with little negative anomalies of Eu. These features indicate that the granite is similar to the so-called high-Ba-Sr granite. Compared with the petrogenesis of high-Ba-Sr granites, microgranular enclaves in this granite imply that it is a production of mixture between mantle mafic magma and crustal partial melting magma. Garnet, clinopyroxene, amphibole and plagioclase are remanents in the source of the crustal end member and no mass of feldspar fractionated from magma before the hybrid magma solidified, according to the high abundance of Ba, Sr and low Rb/Sr ratios with little negative Eu anomaly. Remanents of the source indicate that the depth of the crustal end member is of about 30 km, which is shallower than that of the earlier formed Kunyushan granite (>40 km), which was formed before 140 Ma. The depth of the two types of granites in the Kunyushan Complex generated from the lowermost crust indicates that an extensive lithospheric thinning event, therefore, peaked around 110 Ma in the Jiaodong peninsula and the crust was thinned to a normal thickness of ca. 30 km.

胶东半岛三佛山岩体是昆嵛山杂岩体的重要组成部分,其岩性主要由二长花岗岩组成,位于苏鲁超高压碰撞带与胶东陆块之间的缝合带中。岩石化学特点具高钾钙碱性岩石系列特征,岩体为准铝I型花岗岩,并具有高Ba-Sr花岗岩的岩石地球化学特征,即高Ba、Sr含量,高Sr/Y、La/Yb、K/Rb值,低Y(<13μg/g)、Yb(1.8μg/g)、Rb/Sr比值(平均为0.33),弱的Eu负异常,亏损Nb、P、Ti等高场强元素。根据该岩体岩石地球化学特征、包体岩石学特征,并结合前人对高Ba-Sr花岗岩成因研究成果,笔者认为该岩体可能是幔源基性岩浆与地壳熔融的酸性端元混合而成。混合后的岩浆没有明显的长石和云母类矿物的结晶分异作用,混合岩浆最大温度在750~800℃左右。酸性岩浆的源区以石榴子石+辉石+角闪石+斜长石的残留为特征。残留相物质组成特征暗示源区应位于壳幔边界,深度30km±,结合早期形成的昆嵛山二长花岗岩源区深度大于40km这一现象,表明胶东地区中生代岩石圈减薄作用在110Ma达到最大,地壳厚度恢复至正常厚度。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关hybrid magma的内容
在知识搜索中查有关hybrid magma的内容
在数字搜索中查有关hybrid magma的内容
在概念知识元中查有关hybrid magma的内容
在学术趋势中查有关hybrid magma的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社