斜长角闪岩
- 网络Amphibolite;Plagioclase amphibolite
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以大理岩为原岩的矿石品质优良,以斜长角闪岩为原岩的矿石品级较低。
Grade of ore formed from marble is higher , that formed from amphibolite is lower .
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东秦岭秦岭岩群是一套中深变质结晶岩系,主要由片麻岩、斜长角闪岩、变粒岩和大理岩组成。
The Qinling Group is lithologically composed of four closely related but different rock sequences , gneiss , amphibolite , metadolerite and marble .
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桂东南云开岩群斜长角闪岩的变质作用PT轨迹及其动力学意义
PT path of metamorphism of amphibolite in Yunkai group complex in southeastern Guangxi and its dynamic significance
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成矿元素Zn等明显增加,Ni,Co,Cr,Cu降低并均进入围岩或聚集于外壳斜长角闪岩中。
The increased metallogenic element such as Zn and the decreased , Ni , Co , Cr , Cu entered adjacent rock or agglomerate in shell amphibolite .
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浙江景宁鹤溪群斜长角闪岩变质新生锆石特征、离子探针(SHRIMP)U-Pb年龄及地质意义
Metamorphic newly produced zircons , shrimp ion microprobe U-Pb age of Amphibolite of Hexi group , Zhejiang and Its Implications
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斜长角闪岩-浅粒岩为同一岩浆连续分异变质火山岩,锆石Pb严重丢失,207Pb/206Pb年龄≥(2488±8)Ma。
Amphibolite-leptite is meta-volcanic rocks resulting from continuous differentiation of the same magma . Zircon Pb loss is serious and the 207Pb / 206Pb age is ≥ 2488 ± 8 Ma .
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对两个斜长角闪岩样品(09T-2、09T-10)进行了锆石U-Pb定年及Lu-Hf同位素研究。
Two amphibolite samples ( 09T-2,09T-10 ) were carried on zircon U-Pb and Lu-Hf isotope study .
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以斜长角闪岩为例,对其实验测量的纵波速度(vP)进行了校正,并与原来的数据作了对比:波速校正量绝对值随着温度的升高逐渐增大;
The experimental v P in amphibolite was corrected by this method and compared with the v P without correction : the absolute correction value turned greater as the temperature increased ;
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榴辉岩转化成含帘石的斜长角闪岩。
As a result , the eclogite was transformed to epidote-bearing amphibolite .
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从大理岩→滑石矿体→斜长角闪岩具有明显的分带现象。
It has obvious horizontal zoning from marble , talc ore body to amphibolite .
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斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比。
The amphibolite and basic granulite may be comparable to the world 's metamorphic tholeiite .
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西昆仑南带斜长角闪岩中方柱石的形成与流体挥发分的作用
The role of volatiles in the formation of scapolite in amphibolites of southern West Kunlun Mountains
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青龙村群岩石类型主要为片岩类、斜长角闪岩类、粗细粒片麻岩类和大理岩夹层。
Qinglongcun Group consists mainly of gneiss , amphibolite , fine-to coarse-grained schist and laminated marble .
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对山东莒南-日照地区榴辉岩与不同围岩的接触关系进行研究发现:包裹榴辉岩的斜长角闪岩有窄的细粒边;
This paper studied the contact relation between eclogite and its country rock in Junan-Rizhao area .
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山东平度斜长角闪岩&大理岩型滑石矿床的成因新认识
New Opinion on the Genesis of the Amphibolite Marble Type Talc Deposit in Pingdu , Shandong Province
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本文研究了金厂峪金矿太古代斜长角闪岩中构造岩的特征和分布特点;
The characteristics and distributing features of the amphibolites from Archaean era are discussed in this paper .
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片麻岩在主量成分上与榴辉岩及其退变产物(斜长角闪岩)存在突变关系,但微量元素与榴辉岩有一定的相似性;
Gneiss is the country rock of eclogites , and there exist mutational relationships in major element components .
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塔里木西南缘下地壳低速层的成因:斜长角闪岩的纵波速度和衰减的限制
Origin of low-velocity layer in the lower crust of Southwest tarim : limits of velocity and attenuation for plagioclase amphibolite
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这些岩石的角闪岩相退变质产物分别是斜长角闪岩、蛇纹岩、长英质片麻岩、长石石英云母片岩、石英岩和大理岩。
They were transformed to amphibolite , serpentinite , gneiss , quartz-mica schist , quartzite and marble during the amphibolite-facies retrogression .
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结果表明,该区的斜长角闪岩是由大洋拉斑玄武岩变质而成,变粒岩则是由酸性沉积岩变质而成。
It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks .
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涑水岩群残存于西姚片麻岩之中,是由斜长角闪岩、磁铁石英岩、黑云变粒岩、钙质片岩和白云质大理岩组成。
Shushui rock group remains in Xiyao gneiss , and made up of amphibolite , magnetite quartzite , biotite granulite , calc-schist and dolomitic marble .
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康定群斜长角闪岩脱水熔融实验研究及康滇构造带壳内低速层成因初步探讨
Experimental Studies on Plagioclase Amphibolites of Kangding Group and Preliminary Discussions on the Formation Cause of Low Velocity Layers in the Crust of Kang-Dian Tectonic Zone
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粗玄岩,辉绿岩一种暗色微粒火成岩;辉绿岩斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比。
A dark , fine - grained igneous rock ; diabase . The amphibolite and basic granulite may be comparable to the world 's metamorphic tholeiite .
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大别核部杂岩单元中斜长角闪岩的地球化学特征对于认识大别核部杂岩单元的特征及归属有着十分重要的意义。
This study of the geochemical characteristics of the amphibolites from the Dabie core complex is important for tracing the origin of the Dabie core complex unit .
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东南极内陆-格罗夫山存在一套经历了麻粒岩相变质作用的镁铁质麻粒岩和斜长角闪岩。
Mafic granulites and amphibolites crop out in the Grove Mountains ( GMs ), 450km south of Zhongshan Station on the coast of Prydz Bay , East Antarctica .
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前寒武纪变质岩系主要由片麻岩、斜长角闪岩、片岩、石英岩和辉石岩组成。上述岩石中含有透镜体产出的榴辉岩或退变质形成的榴闪岩。
The Precambrian metamorphic rock series include of gneiss , amphibolite , shist , quartzite and pyroxenite with lenticular eclogite or garnet amphibolite which formed in retrograde stage .
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北京周口店地区房山岩体周围,分布有一套由片麻岩、斜长角闪岩、混合岩、糜棱岩等组成的变质杂岩。
In the area of Zhoukoudian , Beijing , there is a metamorphic complex compo-sed of gneiss , amphibolite migmatites and mylonites , along with the Fangshan intrusive body .
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孟家屯岩组为鲁西新太古代早期形成的一套表壳岩,代表性的岩石类型为石榴石英岩、黑云母石英片岩、斜长角闪岩等。
The Mengjiatun Formation complex is a suite of supracrustal rocks formed in the early Neoarchean , and its typical rocks include garnet quartzite , biotite-quartz schist and amphibolite .
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深部地壳镁铁质岩石(斜长角闪岩)叶理的组成及形成机制分析&以辽东海城地区变质镁铁质岩石为例
Mechanisms of Development and Components of Foliations in Metamorphosed Mafic Rocks ( Amphibolites ) from Lower Crust & Taking the metamorphic mafic rocks from Haicheng , Liaodong Peninsula for example
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红花沟金矿各主要岩类的金丰度均在3.18~4.2ppb之间,斜长角闪岩的金丰度为4.2ppb,是金的矿源层。
The gold abundance of main types rock in this gold deposit fluctuates within the range of 3.18-4.2 ppb while it is 4.2 ppb for issite which is regarded as main source-bed of gold deposit .