Petrology, petrologic Chemistry, and Matrix Chemical Compositions of the Ningqiang Chondrite. 宁强陨石的岩石学、岩石化学及基质的化学成份。
Only one ore sample is compositionally close to mantle inclusion, chondrite mantle or komatiite, indicating the property of deep mantle source. 仅有一件矿石样品与地幔包体、球粒陨石地幔或科马提岩接近,暗示其深部地幔源区的性质。
The Lujiang meteorite, a chondrite whose petrochemical type is LL6, contains the following opaque minerals: kamacite, taenite, disordered taenite, troilite, chromite, hematite, ilmenite. 研究表明该陨石中不透明矿物有铁纹石、镍纹石、陨硫铁、铬铁矿、钛铁矿和赤铁矿等。
LL group chondrite Study on the Dispersion Character of Fine Oolitic Hematite Ore Particles 低铁低金属群球粒陨石微细粒鲕状赤铁矿颗粒分散特征研究
K-Ar age and~ ( 38) ar exposure age determination of the Kirin chondrite 吉林球粒陨石K-Ar年龄与Ar~(38)暴露年龄研究
Chondrite normalized REE patterns in fluid inclusions of main mineralization stage show patterns with light REE enrichment and a huge positive Eu anomaly. 研究表明,主成矿期流体稀土元素配分模式均为轻稀土富集,Eu具明显正异常。
By analyzing and comparing its REE date related to these typical gold deposits, some chondrite normalized REE distribution patterns for these gold deposits are established and the differences in REE geochemical action related to gold deposits and its relationship between gold mineralization and REE characteristics are discussed. 通过分析比较这些主要矿化类型金矿的REE资料,建立了各典型金矿床的REE配分模式,探讨了各矿化类型金矿床之间的REE地球化学行为差异及其与成矿的关系。
The metal-sulfide phase of previous melting experimental results of Zhaodong chondrite was observed and analysed again. 并与先前肇东陨石全岩样的高压熔融实验进行比较。
REE and other trace element chemistry of CAS in Qingzhen chondrite ( eh3) and their origin implications 清镇陨石(EH3)中陨硫钙石的REE微量元素及成因意义
The lithophile elements in ordinary and carbonaceous chondrite groups may display either chalcophile or siderophile nature in enstatite chondrites. 普通球粒陨石和碳质球粒陨石中的亲石元素在顽火辉石球粒陨石内显示亲铜或亲铁的性质。
An experimental study on heating-melting of Zhaodong chondrite at high pressure 肇东陨石高压加热-熔融实验研究
Isotopic Lead Investigations on Bo County Chondrite of Anhui Province, China 安徽亳县球粒陨石的铅同位素研究
Genetic relationship of supergiant diamond deposits, phosphorite deposits, oil-gas fields and oil shale deposits to carbonaceous chondrite planetesimals 超大型金刚石矿床、磷矿床、油气田、油页岩矿床与碳质球粒陨石星子的成因联系
The large number of meteorites from Antarctica and the desert areas of Australia, Africa and North America changed the previous chondrite classification in recent years. 近年来在南极及澳大利亚、非洲和北美的沙漠地区发现和回收了大量的陨石,改变了以前的球粒陨石分类。
A study on cosmogenic nuclides in the Qingzhen enstatite chondrite and various types of meteorites falling recently in China 清镇顽火辉石球粒陨石及我国新近降落的不同类型陨石宇宙成因核的研究
The transitional element curves standardized by chondrite were all W type curves inclining gently to the right. 过渡元素球粒陨石标准化曲线,也均呈微向右倾斜的W形曲线。
The isotopic compositions of lead were determined on the samples of whole rock, chondrule, olivine, pyroxene and troilite from Bo County chondrite ( class LL4) of Anhui prov., China. 本文报道了安徽亳县LL4型球粒陨石的全岩、球粒、橄榄石、辉石和陨硫铁的铅同位素比值,以及上述部分样品的铀、钍、铅的含量。
A New Cognition of Optic Characteristic of Ningqiang Carbon Chondrite with X-wind Model X-Wind模式下对宁强碳质球粒陨石光学特征的重新认识
Study on Mineralogical and Petrographic Characteristics of Carbonaceous Chondrite in the Ningqiang Area 宁强碳质球粒陨石的岩石、矿物特征研究
Cathodoluminescence with scanning electron microscopy and electron microprobe is applied to the study of some plagioclases in CAIs of the Allende chondrite. 对Allende陨石的富钙铝包裹体中的斜长石,用电子探针和扫描电镜进行阴极发光的研究。
The chemical compositions of the Ningqiang carbonaceous chondrite matrix and a dark rim are analysed with instrumental neutron activation method. 采用仪器中子活化方法分析了宁强碳质球粒陨石基质及暗色边化学成份。
Based on a study of the origin of the solar system, the author believes that there exists genetic relationship of supergiant diamond deposits, phosphorite deposits, oil-gas fields and oil shale deposits with carbonaceous chondrite planetesimals. 通过对太阳系起源的研究,笔者指出,超大型金刚石矿床、磷矿床、油气田和油页岩矿床,都与碳质球粒陨石星子有成因联系。
A study on shock effect and TL characteristics of chondrite 球粒陨石的冲击作用与热释光特征研究
Relations among the element concentrations for chondrules from the Boxian chondrite are discussed using the clustering and factor analysis. 通过模糊聚类分析和因子分析讨论了元素间的相关关系。
Carbonaceous chondrite planetesimals were adsorbed on the mantle surface of the primitive earth, forming primitive carbon-rich areas. 碳质球粒陨石星子被吸积于原始地球上地幔表层,形成原始富碳区。
Each sequence rock rare-earth element geochemistry characteristic, all concentrates are rich of light rare earth, with collision granite class rare-earth element curve basic consistent; But the trace element chondrite spider web chart shape is approximately same. 6. 各个序列岩石稀土元素地球化学特征,都为轻稀土富集型,与碰撞花岗岩类稀土元素曲线基本一致;而微量元素球粒陨石蛛网图形状大致相同。
The REE chondrite standardized model of the ore-bearing host rock show a middle Ce negative anomaly, obviously Eu positive anomaly and the right dip graphics, which are similar to some hot water sediments model. 含矿建造中容矿岩石的REE球粒陨石标准化模式是具有中等的Ce负异常和明显的Eu正异常、向右倾的图形,与一些热水沉积物的模式都有相似之处。
The significant differences of structure and composition in the different carbonaceous chondrite matrix and even the heterogeneous chemical composition in a single meteorite matrix suggest that the early solar nebula is highly heterogeneous in composition. 不同类型碳质球粒陨石基质的结构和成分存在显著差异,同时单个陨石基质的成分分布也极不均匀,这表明早期太阳星云的成分是不均一的。
Chondrite standard curve of rare earth elements reveals LREE enrichment, HREE heavy losses, and slightly right-wing type. 在球粒陨石标准化配分模式图上,表现为轻稀土元素富集,重稀土严重亏损,且略显右倾型。