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长石
相关语句
  feldspar
    RESEARCH ON THE ORDERING PATH OF ALKALINE FELDSPAR
    碱长石有序化途径的再研究
短句来源
    Accurate Determination of Potassium and Sodium in Potash Feldspar and Soda Feldspar Reference Samples
    钾长石和钠长石标准样品中钾和钠的准确测定
短句来源
    X-RAY STUDIES OF ALKALI FELDSPAR PHENOCRYST FROM ALKALINE LAVA AT TIANCHI, CHANGBAISHAN
    长白山天池碱性熔岩中碱性长石斑晶的X射线研究
短句来源
    LEAD ISOTOPIC COMPOSITIONS OF FELDSPAR AND ORE AND THEIR GEOLOGIC SIGNIFICANCE
    长石铅和矿石铅同位素组成及其地质意义
短句来源
    A DISCUSSION ON THE DYNAMIC PROCESS OF KAOLINIZATION OF FELDSPAR
    关于长石→高岭石动态形成过程的讨论
短句来源
更多       
  feldspars
    THE TREND-SURFACE ANALYSIS FOR COMPOSITIONS OF HIGH TERNARY FELDSPARS
    高三元长石成分的趋势面分析
短句来源
    A Study of Modulated Structures and Complex Structures in Natural Alkali Feldspars:Ⅳ.Studies on Complex Structures of Alkali Feldspars of Volcaniclastic Rocks in the Northeast Part of Jiangxi Province
    自然界碱性长石调制结构及复结构的研究 四、赣东北地区火山碎屑岩中
短句来源
    Characteristics of Feldspars from the Lingshan Granite Body and Their Petrogenetic Significance
    灵山花岗岩的长石特征及其成因意义
短句来源
    MINERALOGICAL CHARACTERISTICS,DEVELOPMENT AND UTILIZATION OF POTASSIUM FELDSPARS IN ALTAY,XINJIANG
    新疆阿尔泰钾长石矿物学特征及开发利用
短句来源
    MICROSTRUCTURES AND ~(29)Si NMR SPCTRA OF ALKALINE FELDSPARS IN Al-Si ORDERING
    碱性长石Al-Si有序化进程中微结构和~(29)Si NMR谱的表现
短句来源
更多       
  feldspathic
    It is showed that: the Chang 4+5 and Chang 6_1 reservoir rock types are mainly as clastic feldspar sand and feldspathic clast sand;
    研究指出,姬塬地区长4+5、长6_1储层岩石类型以岩屑长石砂岩和长石岩屑砂岩为主;
短句来源
    Chang 4+5 sandstones of Yanchang Formation in Yanchi-Jiyuan area are mainly composed of platform-type and slope-type delta front sandbodies. Lithic feldspathic and feldspathic sandstones are chief rock types, of which the average content of quartz, feldspar and rock fragments are 24.7%, 43.2% and 10.0%, respectively, and metamorphic and igneous fragments are dominant constitutes, accounting for 88.0% of total fragment content.
    盐池—姬塬地区延长组长4+5砂岩由台型和坡型三角洲前缘砂体组成,以岩屑长石砂岩和长石砂岩为主,其中石英、长石和岩屑平均含量分别为24.7%、43.2%和10.0%,岩屑也以变质岩屑和火成岩屑为主,占岩屑总量的88.0%。
短句来源
    CONVERSION OF COMPONENTS OF FELDSPATHIC PHASE IN GRANITOIDS AND ITS APPLICATION TO DIAGENETIC TEMPERATURE CALCULATION
    花岗岩类长石相成分换算及其应用
短句来源
    1. The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.
    1.延长组储集岩主要为细粒的长石砂岩、长石岩屑砂岩、岩屑长石砂岩等,还有少量的石英砂岩。
短句来源
    Lithology of the Chang-8 oil reservoirs is mainly fine-medium lithic feldspathic sandstone and feldspathic detritus sandstone.
    长8油层组储层岩性以细—中粒岩屑长石长石岩屑砂岩为主。
短句来源
更多       
  “长石”译为未确定词的双语例句
    THE COMPARISON OF DIFFERENT METHODS (INFRARED SPECTRUM, X-RAY DIFFRACTION ANALYSIS AND OPTICAL ANALYSIS) FOR DETERMINING THE ORDER-DEGREE OF ALKALI-FELDSPAR
    测定碱性长石有序度的红外光谱法、X光衍射法和光学方法的对比
短句来源
    Determination of Al/Si Distribution of K-feldspars With X-ray Powder Method
    X-射线衍射研究钾长石结构中的Al/Si分布状态
短句来源
    APPLICATION ON SERIES PHASE DIAGRAM OF POTASH-FELDSPAR-ALBITE-ANORTHITE -QUARTZ-WATER AND DIFFERENTIAL INDEX IN WESTERN YUNNAN GRANITES AND THEIR TIN MINERALIZATION STUDIES
    钾长石-钠长石-钙长石-石英-水系列相图及分异指数等在滇西花岗岩及其锡矿化研究中的应用
短句来源
    Calculation Method of the Thermodynamic Characteristic Parameters of K-feldspar
    钾长石热力学特征参数的计算方法
短句来源
    Ar/Ar analyses of biotites and muscovites in gneiss collected along the Sanzhu river on the hangwall of Kezieryieer fault yield total gas ages of 370 to 350Ma, Apatite fission track central ages for these gneisses range from 22. 1 + 104 to 13. 7 + 1. 5Ma.
    据Ar/Ar热年代学测试分析结果,断层上盘片麻岩中的黑云母、绢云母的总气体年龄为370~350Ma,钾长石样品的冷却年龄为晚中生代—早新生代,片麻岩中磷灰石的裂变径迹年龄为22.1±1.4~13.7±1.5Ma.
更多       
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  feldspar
The rocks are classified into greywackes or feldspar sandstones, grains of which are the mixtures of mafic rocks, felsic rocks, and quartz+calcite.
      
In conjunction with high abundances of Ba and Sr, as well as low abundances of Y and HREE, these patterns suggest a feldspar-poor, garnet±amohibole-rich fractionation mineral assemblage.
      
Empirical relationships describing the composition dependences of the chemical durability of glasses in the diopside-albite, diopside-anorthite, diopside-orthoclase, diopside-quartz, and diopside-feldspar systems are derived.
      
Two glasses of the same chemical composition manufactured while using two different sources of aluminosilicates: (1) sodium feldspar and (2) volcanic tuffs have been compared [1].
      
The influence of bacterial activity on glauconite formation is supported by the study of dissolution zones on quartz and feldspar grains, which revealed biomorphic structures akin to fossilized bacteria.
      
更多          
  feldspars
It is shown that, in the composition range with an iron content of lower than 3.3 wt %, cenospheres involve nanosized crystalline phases, such as feldspars, ferrispinels, and pyroxenes.
      
The presence of rocks on Mercury's surface, such as anorthosites (consisting mainly of calcium plagioclase) and feldspars, was reliably established in the course of such investigations.
      
Thermal infrared spectra are also indicative of the presence of feldspars, pyroxenes, and igneous nepheline-bearing alkali syenites.
      
The fine silt fraction consists of quartz, kaolinite, chlorite, hydromica, smectite, and feldspars.
      
The medium silt fraction consists of quartz, kaolinite, mica, and feldspars.
      
更多          
  feldspathic
With the lowest abundances of Fe, Ti, and Th found on the Moon, the lunar highland terrains are quite homogeneous with two major large feldspathic units, one being slightly more mafic than the other.
      
The differences between the simulated melt compositions are interpreted with regard for variations in the temperature and composition of the parental magnesian liquids that assimilated compositionally similar feldspathic material.
      
Feldspathic metasomatic rocks from the Lermontovo deposit, Primorye, Russia
      
The deposition of quartz-feldspathic flyschoid sequences as products of scouring of sialic basement of the continental block was inherent to the Ukelayat type of sedimentation.
      
It was established that the assimilation of parental mantle basaltic melts by crustal, mainly feldspathic material is a decisive factor in the formation of multiple gabbro-granite complexes.
      
更多          


This paper investigates from petrochemical and mineralogical point of view the Cenozoic basaltic rocks in Kiangsu and Eastern Anhwei Province. It is determind that as a whole they belong to alkali basaltic series. They were the products of the early-, middle- and late- magmatic cycles of Himalayan movement. These rocks consist of olivine basalt, alkali olivine basalt, basanite and nephelinite, together with alkali diabase, tholeiitic diabase and analcite syenite which have been formed as a result of differentiation...

This paper investigates from petrochemical and mineralogical point of view the Cenozoic basaltic rocks in Kiangsu and Eastern Anhwei Province. It is determind that as a whole they belong to alkali basaltic series. They were the products of the early-, middle- and late- magmatic cycles of Himalayan movement. These rocks consist of olivine basalt, alkali olivine basalt, basanite and nephelinite, together with alkali diabase, tholeiitic diabase and analcite syenite which have been formed as a result of differentiation and contamination. The "alkali degree" of the later basaltic rocks is higher than the earlier, and that of the rocks in the western region is also higher than the eastern. Although most basalts have somewhat similar composition, but due to fractional crystallization and contamination there occurs a series of regular changes in petrochemistry and mineral composition. This paper also attempts to estimate the depth of magma chamber on the basis of the types of basaltic magma and composition of ultramafic inclusions and augite, anorthoclase, garnet megacrysts. There is no doubt to believe that from east to west in this region the depth of magma chamber increased from 35~50 km to 75~90 km ca.

本文从岩石化学和矿物学角度,研究了江苏及皖东新生代玄武质岩石,初步确定它们属于碱性玄武岩系列;是喜山运动早、中、晚三个岩浆旋迥的产物;主要岩石类型有橄榄玄武岩、碱性橄榄玄武岩、碧玄岩、霞石岩以及由分异作用或混染作用形成的碱性辉绿岩、拉斑辉绿岩和方沸正长岩;岩石的碱性程度自老至新、自东向西增强;由于岩浆的分离结晶作用和受硅铝层混染,引起一系列岩石化学和矿物成分的规律性变化。本文还试图根据玄武质岩浆类型和包裹的超镁铁包体,以及普通辉石、歪长石、石榴石大晶体的成分,估计岩浆源的深度,自东向西由35~50公里加深到75~90公里左右。

The studied area is located some 70—80 km. northwest of Nanking of the Kiangsu province, This area is composed of complexly folded late pre-Cambrian metamorphics, deeply eroded to a peneplane. The Changbaling formation is of late Sinian age (dated to be 864—1 ,026 m. y. by Uranium-lead methed), and comprises Volcanics of submarine origin and marine sediments, consisting chiefly of a thick series of quartz keratephyres interealated with minor amount of spilites and related volcanic clastics and tufaceous sediments,...

The studied area is located some 70—80 km. northwest of Nanking of the Kiangsu province, This area is composed of complexly folded late pre-Cambrian metamorphics, deeply eroded to a peneplane. The Changbaling formation is of late Sinian age (dated to be 864—1 ,026 m. y. by Uranium-lead methed), and comprises Volcanics of submarine origin and marine sediments, consisting chiefly of a thick series of quartz keratephyres interealated with minor amount of spilites and related volcanic clastics and tufaceous sediments, accompanied by marine chert beds, dolomitic limestone lenses, siltstones, and shales. The whole series has suffered to a low-grade regional metemorphism, corresponding to the green schists facies. The rocks of the quartz keratophyres possess porphyritic textures and some rhyolitic flow structures. Their principle mineral constituents are albite 55—70%, quartz 29—40%, muscovite (sericite) 3—7%, with minor amount of microcline, and apatite and magnetite as accessories. Microscopically, the rocks possess obvious successive replacement features. Earlier soda-metamorphism forms albite motacrysts, which include residual masses of orthoclase. Later soda-metamorphism (metasomatism) is represented by albito-quartz veinlets, which cut the earlier albite metacrysts, and also form minute polysynthetically twinned albite rims around their borders. Still later comes some microcline which replaces earlier albite along its cleavage planes and grain borders. Last is silicification. Thus, the sequence of metasomatic replacement is: soda-metamorphism → Soda-silica metasomatism → potassium metasomatism → silicification. Corroded quartz phenocrysts contain minute melting inclusions with some devitrification effects, of which, the temperature of homogenization is measured to be 1,030—1180℃. The decrepitation temperature of the liquid inclusions which occur along certain zones in the bordering parts of quartz crystals, is measured to be 300℃. The spilites here occur as intercalated beds in the quartz keratophyre series, and partly they form dikes or some other sub-volcanic forms. Mineralogically, they are composed of albite, epidote, chlorite, magnetite calcite, sodic actinolire, etc. Similarly, the spilites also show obvious features of sodic replacement. Sugary grains of albite cut or replace earlier-formed albite, forming zigzag boudaries around the latter. All the above features indicate that, both the quartz keratophyres and the spilites were formed as a result of successive soda metamorphism (soda replacement). The petro-chemical characters of the quartz keratophyres and the spilites are as shown in the following table: Based upon the petro-chemical properties and the plotting of the data, as Calculated from a large number of rock analyses, according to the various plotting methods, it is brought out that the metamorphosed volcanics of the Changbaling area belong to sub-alkaline volcanic series, being sodic spilite-quartz keratophyre series. The spilites and quartz keratophyres are comagmatic rocks, and their primary magma was probably intermediate to acidic in character. According to the geologic environments for the formation of the associated sedimentary strata, the volcanic rock combination, and their petrologic and petrochemical char acteristics, the writers are inclined to think, that, such a volcanic-sedimentary series with the acidic volcanic components constituting the major part, was probably formed in rather shallow seas near some continental margin, or close to some island arc during the early stage of development, and that, they are different from those spilites or spilite-keratophyre series with the basic componemts constituting the major parts, which represent probably earlier basic volcanic phases deposited in some deep eugeosynclines, or close to some spreading center of ancient sea floor. Of Course, they are also different from the andesiterhyolite series of continental origin. The primary magma here was probably intermediate to acidic in character, which has differentiated into the acidic and basic extremities. During the course or fractional crystallization, the magmas were contaminated by soda from the sea water and the marine sediments, and later the voicanics suffered from soda metamorphism and metasomatism during the time of deep burial and later regional orogenesis and metamorphism. Such is the writers' idea about the origin of the spilite-Quartz keratophyre series here.

前寒武纪张八岭建造是一套海底喷发的火山岩系,其原岩由大量石英角斑岩和少数细碧岩及其火山碎屑岩、凝灰质沉积岩组成,并与海相的硅质岩、白云质石灰岩透镜体、粉砂岩、页岩等伴生。受区域变质作用影响,形成绿片岩相的矿物组合。岩石具典型的熔岩组构。主要矿物成分为:石英、低温完全有序的钠长石(An<5)和绿泥石、绿帘石、磁铁矿等。岩石有明显的交代观象,其交代顺序为:钠化→钠硅化→钾化→硅化。据玻璃质固化包裹体测温,其岩浆温度为1030—1180℃;液相包裹体测温,其热液蚀雯温度为300℃。由岩石化学分析资料说明:变质火山岩为弱碱质钠质细碧岩——石英角斑岩系。两者为同源岩浆岩。其原始岩浆成分为——中酸性岩浆。经分异作用,主要向酸性岩浆转化;少量向基性。在岩浆结晶分异的同时并遭受海水及海相沉积物中钠质的混染,成为富钠质的岩浆,逐渐演变成富钠的透岩浆溶液,发生钠质交代,这种作用继续延到岩浆期后的热液期。其后岩石又经低级区域变质作用,形成石英角斑岩及细碧岩。根据变质火山岩的岩石学、岩石化学及火山岩中伴生岩石特征等地质因素,说明:它形成于浅海环境,靠大陆边沿,或岛弧。它是以酸性火山岩为主的,细碧岩——石英角斑岩系,与产于...

前寒武纪张八岭建造是一套海底喷发的火山岩系,其原岩由大量石英角斑岩和少数细碧岩及其火山碎屑岩、凝灰质沉积岩组成,并与海相的硅质岩、白云质石灰岩透镜体、粉砂岩、页岩等伴生。受区域变质作用影响,形成绿片岩相的矿物组合。岩石具典型的熔岩组构。主要矿物成分为:石英、低温完全有序的钠长石(An<5)和绿泥石、绿帘石、磁铁矿等。岩石有明显的交代观象,其交代顺序为:钠化→钠硅化→钾化→硅化。据玻璃质固化包裹体测温,其岩浆温度为1030—1180℃;液相包裹体测温,其热液蚀雯温度为300℃。由岩石化学分析资料说明:变质火山岩为弱碱质钠质细碧岩——石英角斑岩系。两者为同源岩浆岩。其原始岩浆成分为——中酸性岩浆。经分异作用,主要向酸性岩浆转化;少量向基性。在岩浆结晶分异的同时并遭受海水及海相沉积物中钠质的混染,成为富钠质的岩浆,逐渐演变成富钠的透岩浆溶液,发生钠质交代,这种作用继续延到岩浆期后的热液期。其后岩石又经低级区域变质作用,形成石英角斑岩及细碧岩。根据变质火山岩的岩石学、岩石化学及火山岩中伴生岩石特征等地质因素,说明:它形成于浅海环境,靠大陆边沿,或岛弧。它是以酸性火山岩为主的,细碧岩——石英角斑岩系,与产于优地槽(或大洋扩张部位)发展早期的蛇绿岩套;包括基性、超基性岩。硅质岩及以基性组分为主的细碧岩——角斑岩建造是迥然不同的。它与岛弧晚期阶段的陆相安山岩——流纹岩也有一定的差别,可能是岛弧早期的产物。

This paper investigates from petrochemical and mineralogical point of view the Cenozoic basaltic rocks in Kiangsu and Eastern Anhwei Province. It is determind that as a whole they belong to alkali basaltic series. They were the products of the early-, middle- and late-magmatic cycles of Himalayan movement. These rocks consist of olivine basalt, alkali olivine basalt, basanite and nephelinite, together with alkali diabase, tholeiitic diabase and analcite syenite which have been formed as a result of differentiation...

This paper investigates from petrochemical and mineralogical point of view the Cenozoic basaltic rocks in Kiangsu and Eastern Anhwei Province. It is determind that as a whole they belong to alkali basaltic series. They were the products of the early-, middle- and late-magmatic cycles of Himalayan movement. These rocks consist of olivine basalt, alkali olivine basalt, basanite and nephelinite, together with alkali diabase, tholeiitic diabase and analcite syenite which have been formed as a result of differentiation and contamination. The "alkali degree" of the later basaltic rocks is higher than the earlier, and that of the rocks in the western region is also higher than the eastern. Although most basalts have somewhat similar composition, but due to fractional crystallization and contamination there occurs a series of regular changes in petrochemistry and mineral composition. This paper also attempts to estimate the depth of magma chamber on the basis of the types of basaltic magma and composition of ultramafic inclusions and augite, anorthoclase, garnet megacrysts. There is no doubt to believe that from east to west in this region the depth of magma chamber increased from 35~50 km to 75~90 km ca..

本文从岩石化学和矿物学角度,研究了江苏及皖东新生代玄武质岩石,初步确定它们属于碱性玄武岩系列;是喜山运动早、中、晚三个岩浆旋迥的产物;主要岩石类型有橄榄玄武岩、碱性橄榄玄武岩、碧玄岩、霞石岩以及由分异作用或混染作用形成的碱性辉绿岩、拉斑辉绿岩和方沸正长岩;岩石的碱性程度自老至新、自东向西增强;由于岩浆的分离结晶作用和受硅铝层混染,引起一系列岩石化学和矿物成分的规律性变化。本文还试图根据玄武质岩浆类型和包裹的超镁铁包体,以及普通辉石、歪长石、石榴石大晶体的成分,估计岩浆源的深度,自东向西由35~50公里加深到75~90公里左右。

 
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