单斜辉石
- 网络clinopyroxene;CPX
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辉石岩包体含有绿色的Cr辉石岩和黑色的Al辉石岩包体两种类型,均为二辉岩,且多数样品中单斜辉石含量高于斜方辉石。
Two types of pyroxenite xenoliths are noted , namely , green Cr-and black Al-pyroxenites . All pyroxenites are websterites in which clinopyroxene is more abundant than orthopyroxene .
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单斜辉石相对富含Al2O3、FeO和TiO2,与中国东部新生代玄武岩中单斜辉石巨晶的成分相当。
The clinopyroxene contains rich Al_ ( 2 ) O_ ( 3 ), FeO and TiO_ ( 2 ) which is equivalent to the clinopyroxene giant crystal in Cenozoic basalt in eastern China .
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单斜辉石的X射线粉末法研究
A study of Clinopyroxenes by X-ray powder method
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旋转台五轴法对Nm近于水平和垂直的单斜辉石、单斜角闪石C∧Ng的测定方法
The Method of Five-Axis Universal Stage in Determination of C ∧ Ng of Monocline Pyroxenes and Amphiboles
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对比分析了华北东部地块陆下岩石圈地幔橄榄石Mg值和单斜辉石的REE配分形式。
Olivine-Mg # values and diopside-REE patterns of mantle peridotites from the . North China were systematically studied .
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尖晶石橄榄岩的相对熔融度可据尖晶石的Cr/(Cr+Al)和单斜辉石的Na含量来判断。
The relative degree of melting of spinel-peridotite may be estimated from the Cr / ( Cr + Al ) ratio of spinel and the Na content of clinopyroxene .
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产于细粒辉长岩和层状辉长岩中的单斜辉石和斜方辉石,它们的Eu和Ce异常的差异,主要受控于矿物结晶时的氧化还原条件。
Eu and Ce anomalies in clinopyroxene and orthopyroxene from finegrained gabbro and bcdded gabbro could be attributed to the oxidation and reduction conditions during the crystallization of the minerals .
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超高压单斜辉石(>5GPa)部分熔融产生的富钾岩浆可以解释碰撞后富钾岩浆的成因,这种富钾岩浆的形成深度一般较大(位于~100km的地幔)。
The K-rich melt that resulted from partial melting of UHP clinopyroxene could account for the genesis of post-collisional K-rich magmatism .
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在俯冲过程中形成的超高压单斜辉石(>5GPa)含一定量的H2O和K2O,它因此能把地球浅部的水和钾携带到地幔深处。
The ultrahigh-pressure ( UHP ) clinopyroxene formed during subduction contains some amounts of H_2O and K_2O . Such UHP clinopyroxene therefore can bring abundant H_2O and K into deep mantle .
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单斜辉石包裹体矿物为绿色,形成温度和压力分别为:1531℃和4.5GPa。
A clinopyroxene inclusion is green in color , and the temperature and pressure determined are 1 531 ℃ and 4.5 GPa , respectively .
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以碱性熔岩为主的HT熔岩是产生于幔源石榴子石稳定区的低度部分熔融,其化学变异受控于单斜辉石(Cpx)[±橄榄石(Ol)]分离作用。
The predominantly HT alkaline lavas were generated by low degrees of partial melting in the garnet stability field of the mantle source . The chemical variation of the HT lavas is controlled by a clinopyroxene ( Cpx ) [ ± olivine ( Ol ) ] fractionation .
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矽卡岩型铅锌矿床石榴石和单斜辉石的红外光谱研究
Infrared spectrum research on garnets and Clinopyroxenes in skarn lead-zinc
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第三阶段,石榴石及钢质单斜辉石消失。
During the last stage , garnet and sodic clinopyroxene were disappeared .
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碱性玄武岩中的某些巨晶单斜辉石&Ⅰ:晶体结构和晶体化学
Some megacryst Clinopyroxenes from alkali basalt & ⅰ: crystal structure and crystal chemistry
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单斜辉石中韭闪石出溶片晶呈平行条带状,其宽度在1~10μm之间。
Exsolution lamellae of pargasite in the clinopyroxene are between 1 ~ 10 μ m.
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徐淮地区镁铁质岩石捕虏体单斜辉石中石榴石和石英的出溶
Garnet and Quartz Exsolutions in Clinopyroxenes of Mafic Rock Xenoliths from Xuzhou-Northern Anhui Province
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一种修正单斜辉石晶体化学式计算的方法&穆斯堡尔谱在计算晶体化学式中的应用
A modified calculation of crystal-chemical formula of clinopyroxene & the application of Mossbauer spectrum
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翡翠的单斜辉石类矿物研究
Study on clinopyroxene minerals of jadeite jade
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该玄武岩中含有丰富的幔源橄榄石、斜方辉石和单斜辉石捕掳晶。
Abundant mantle-derived xenocrysts such as olivine , orthopyroxene and clinopyroxene can be found in the basalt .
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女山单斜辉石巨晶锂同位素组成的离子探针分析
Lithium isotopic composition of clinopyroxene megacrysts from n ü shan , Eastern china : an ion probe analysis
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应用离子探针技术测定了一组女山单斜辉石巨晶的锂同位素组成。
Lithium isotopic composition of clinopyroxene megacrysts from N ü shan has been analyzed by means of ion probe .
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主量和稀土元素组成,反演了矽卡岩形成过程中不同类型单斜辉石和石榴子石的演化顺序。
Major element and rare earth element provide an evidence for the evolution processes of different type clinopyroxenes and garnets .
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方解石+青铝闪石-绿帘石:(4)绿泥石-透闪石+蓝透闪石(±单斜辉石残晶)。
Calcite + crossite + epidote ; and ( 4 ) chlorite + actinolite + winchite ( iclinopyroxene relict ) .
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全岩和单斜辉石中不相容元素含量有可能作为地幔部分熔融和地幔交代作用的指示剂。
Trace element concentrations in the whole rock and clinopyroxene may be used as an index of partial melting and metasomatism .
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这些岩石一般都展示了平衡的矿物共生结构,但在镁铁质麻粒岩的单斜辉石中普遍发育斜方辉石(易变辉石)的出溶片晶。
All metamorphic rocks exhibit an equilibrium texture , but exsolution lamellae of orthopyroxene ( pigeonite ) occur in all clinopyroxenes in mafic granulites .
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这两个地方的捕虏体均为尖晶石相橄榄岩,岩石组合为橄榄石+斜方辉石±单斜辉石±尖晶石。
Xenoliths in the two locations are all spinel peridotite xenoliths , with mineral assemblage of olivine + orthopyroxene stone ± clinopyroxene ± spinel .
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对中国东部赋存于新生代玄武岩中的地幔岩捕虏体的全岩和单斜辉石等作了主元素和微量元素分析。
Major and trace element compositions for whole rocks and clinopyroxene separates in peridotite xenoliths from Cenozoic basalts in eastern China have been analysed .
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蓝宝石是碱性玄武岩浆早期结晶的产物,而且与单斜辉石、长石、石榴石和锆石巨晶共生。
The sapphires are the product of early crystallization of alkali basalt magma and intergroom with clinopyroxene , feldspar , garnet and zircon megacrysts .
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证实了二辉橄榄岩及其单斜辉石在主元素有连续变化的趋势,反映了具部分熔融后残留相的性质。
Major element compositions in lherzolites and clinopyroxene separates display a successive variation , which indicates these rocks are residual phases after partial melting .
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岩石学特征表明,南海新生代玄武岩的矿物组合为橄榄石、单斜辉石、斜长石,与特征的碱性玄武岩的矿物组合一致。
Petrographic studies suggest that the mineral assemblage is composed of olivine , clinopyroxene and plagioclase , which is consistent with common mineral assemblage of a characteristic alkali basalt .