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REE

REE的相关文献在1981年到2022年内共计156篇,主要集中在地质学、农业基础科学、肿瘤学 等领域,其中期刊论文145篇、专利文献11篇;相关期刊75种,包括吉林大学学报(地球科学版)、东华理工大学学报(自然科学版)、岩石学报等; REE的相关文献由510位作者贡献,包括刘普灵、华仁民、王京彬等。

REE—发文量

期刊论文>

论文:145 占比:92.95%

专利文献>

论文:11 占比:7.05%

总计:156篇

REE—发文趋势图

REE

-研究学者

  • 刘普灵
  • 华仁民
  • 王京彬
  • HAN Runsheng
  • SHAO Yongjun
  • SUN Zijian
  • XIONG Yiqu
  • ZHOU Haodi
  • 付伟
  • 刘淑文
  • 期刊论文
  • 专利文献

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    • 蔡厚安; 杨自安; 王艳丽; 李艳艳
    • 摘要: 塔里木盆地西北缘分布着一条碱性岩带,该碱性岩带是我国重要的稀有稀土成矿带之一。就碱性岩体的空间分布特征看,哈拉峻地区最为集中。本文在详细的野外调查和取样分析的基础上总结了哈拉峻地区碱性岩的地质地球化学特征,进而提出了区内稀有稀土矿进一步勘探工作的远景区,包括:巴什苏洪远景区和喀拉多维远景区。霍什布拉克岩体、克兹尔托岩体和古尔拉勒岩体也有很好的稀有稀土矿矿化线索,也是值得进一步开展勘探工作的区域。
    • Jinchuan Huang; Jiantang Peng
    • 摘要: The Baoshan Cu–Pb–Zn deposit, located in the central part of the Qin–Hang belt in South China, is closely related to the granodiorite-porphyry. However, the characteristics and the source of the ore-forming fluid are still ubiquitous. According to the crosscutting relationships between veinlets and their mineral assemblages, three stages of hydrothermal mineralization in this deposit were previously distinguished. In this contribution, two different colored fluorites from the major sulfide mineralization stage are recognized:(1) green fluorites coexisting with Pb–Zn ores;and(2) violet fluorites coexisting with pyrite ores. Y/Ho ratios verify the green fluorites and violet fluorites were co-genetic. The fluorites display elevated(La/Yb)Nratios, which decrease from 1201 to 5710 for green fluorites to 689–1568 for violet fluorites, indicating that they precipitated at the early hydrothermal sulfide stage,and Pb–Zn ores crystallized earlier than pyrite ores. The similar Tb/La ratios of the fluorites also indicate that they precipitated at an early stage within a short time. From the green fluorites to violet fluorites, the total rare earth element(ΣREE)concentrationsdecreasefrom1052–1680 ppm to 148–350 ppm, indicating that the green fluorites precipitated from a more acidic fluid. The Eu/Eu*ratios increase from 0.17 to 0.30 for green fluorites to0.29–0.48 for violet fluorites, and the Ce/Ce* ratios decrease from 1.08–1.13 to 0.93–1.11, suggesting a gradual increase in oxygen fugacity(fO_(2)) and pH value of the mineralization fluid. Though the fluorites display similar REE patterns to the granodiorite-porphyry and limestone,the ΣREE concentrations of the fluorites are significantly higher than those of limestone and the granodiorite-porphyry, suggesting that an important undetected non-magmatic source is involved to provide sufficient REE for fluorites. The most plausible mechanism is fluid mixing between magma fluid and an undetected non-magmatic fluid.
    • 张友军; 雷福斌; 李明龙; 黄强
    • 摘要: 扬子北缘中—上二叠统界线处的王坡层黏土岩与峨眉山大火成岩省密切相关,但其成因仍存在争议。近期云贵川上二叠统底部黏土岩中均发现了与峨眉山玄武岩风化有关的Nb、REE等稀有金属矿床,而扬子北缘王坡层黏土岩的含矿性研究还较薄弱。以鄂西恩施地区王坡层黏土岩为研究对象,通过详细的岩石学和地球化学研究,探讨其成因,并对其稀有金属找矿潜力进行初步评价。结果表明,研究区王坡层黏土岩具有低Al_(2)O_(3)/TiO_(2)比值(4.04~8.21)、较高的烧失量(LOI=7.24%~11.71%)、极高的化学蚀变指数(CIA=87.99~97.31)和较低的成分变异指数(ICV=0.36~0.87),而且镜下可见大量基性火山物质和气孔构造,长石亦无磨圆,推测其主要为强烈风化条件下峨眉山玄武岩近源堆积产物。黏土岩中Nb含量介于108~326μg/g,平均值187.67μg/g;Ta含量介于6.15~17.7μg/g,平均值10.74μg/g;REE介于298.6~1123.5μg/g,平均值623.79μg/g,显示其具有较好的找矿前景;Zr、Nb、Ta等元素异常富集,个别样品Eu和Ce显示正异常,表明黏土岩可能存在碱性火山灰的混入,Nb、REE等稀有元素在母岩风化沉积和成岩过程中经强烈蚀变而富集。本研究对完善峨眉山大火成岩省成矿系统具有一定意义。
    • Aliou Mamouda; Sylvestre Ganno; Guy Tchoupe Takam Bertin; Arnold Mbita Motto Steven; Hermann Donald Fossi; Jean Paul Nzenti; Joseph Mvondo Ondoa
    • 摘要: In this contribution,detailed field descriptions together with petrographic and bulk-rock major,trace and rare earth elements(REE)data are used to constrain the origin and geodynamic setting of the mafic magmatic enclaves(MMEs)recently discovered within the Pan-African Ngaoundal pluton,Adamawa area,central Cameroon.The investigated MMEs are dark-colored with chilled margins,and display medium to coarse-grain igneous textures.The mineral assemblage is either dominated by K-feldspar and carbonate(group Ⅰ),or by amphibole and plagioclase(group Ⅱ),though the overall mineral phases made of amphibole,plagioclase,K-feldspar,and biotite are similar to that of their host syenite but in different proportions.The MMEs in Ngaoundal area are foid-gabbro in composition with SiO_(2) contents ranging between 41.52% and 43.74% and are contiguous with their host granitoids of intermediate composition(SiO_(2)=57.52% to 58.98%).The host granitoid rocks are metaluminous,and belong to the shoshonitic series.Petrographic and geochemical data have revealed that the Ngaoundal MMEs derived from rapid cooling of hot injected lithospheric mantle-derived magma within cooler host granitoids magma and were emplaced in the intraplate geodynamic setting.
    • 蔡厚安; 李顺庭; 刘增仁; 杨自安
    • 摘要: 新疆巴什苏洪稀有稀土矿床处于西南天山南缘和塔里木盆地北缘,构造位置优越.针对巴什苏洪碱性杂岩体进行了系统的调查和采样,对各个岩性进行了岩石学和地球化学研究.结果表明,辉长岩具有富Fe2 OT3、MgO、CaO、TiO2、P2 O5,贫SiO2,呈碱性、准铝质等特点,高场强元素(HFSE)相对于大离子亲石元素(LILE)的富集程度较低,具有明显的Ba正异常,不具有明显的Nb-Ta负异常.霓石正长岩、碱长花岗岩具有富SiO2,贫Fe2 OT3、TiO2、P2 O5等,大多呈碱性的特点,有从过铝质到过碱质演化的特征,明显亏损Ba、Sr、P、Ti,富集Rb和K,稀土元素蛛网图表现为平缓、轻微右倾的海鸥式分布模式,Eu的负异常十分明显.岩石学和岩石地球化学特征表明辉长岩是由软流圈地幔部分熔融,经过一定的分离结晶作用,上升侵位形成的产物;碱长花岗岩由软流圈地幔的底侵导致地壳重熔,经过结晶分异作用,上升侵位形成;霓石正长岩由结晶分异后的基性岩浆和酸性岩浆发生混合作用,再经过一定程度的分离结晶作用,最后上升侵位形成.辉长岩和霓石正长岩与后期的陆内裂谷体系有关,碱长花岗岩经历了陆内裂谷的构造环境.
    • 陈晓薇; 陈秀玲; 周笑笑; 范逸飞; 刘杰
    • 摘要: 霍童溪是福建沿岸重要的入海河流,为揭示其沉积物的物源信息,对霍童溪上游至下游的表层沉积物进行了稀土元素特征参数、配分模式、粒度等研究,并与长江、瓯江、闽江沉积物以及福建土壤背景值、中国南方红土进行对比分析.结果表明:霍童溪表层沉积物整体表现出明显Eu负异常,弱Ce异常,轻稀土相对富集、重稀土相对亏损的显著分异特征;结合粒度研究发现,REE总体上与平均粒径(Mz)、粒级组分(砂粒、粉砂、黏土体积分数)之间具有较大相关性,但粒度对研究区表层沉积物稀土元素含量的影响十分有限;物源判别结果表明:霍童溪沉积物的源岩很可能以上陆壳长英质岩石为主,源区大致相同,物质来源主要为区域陆源碎屑物质,部分源于流域自身的水土侵蚀物质.
    • 陈帅奇; 刘珏懿; 梁恩云; 赵玉鹏
    • 摘要: 保靖地区位于湘西-鄂西成矿带上,区调填图发现区内存在石英脉,而湘西铅锌矿与石英脉关系密切.针对区内石英脉进行研究,对其进行稀土元素和氢氧同位素分析.石英脉稀土元素总量低,配分模式为轻稀土富集右倾型,轻稀土内部分馏明显,重稀土内部分馏不明显,具铕、铈微弱负异常,与围岩稀土特征差异明显.石英δ18O变化范围在14.2‰~19.1‰,石英中包裹体δD范围在-62.4‰~-73‰,δ18OH2O为-0.7‰~-1.9‰,流体具地热水特征.据此推测在晚泥盆世拉张裂谷时期,盆地流体大规模运动,流体沿加里东期形成的构造裂隙运移富集形成石英脉.
    • GONG Daxing; HUI Bo; DAI Zongming; LAI Yang; TIAN Enyuan
    • 摘要: Objective A set of REE-rich clay rocks is formed at the top of the Emeishan basalt in the eastern Yunnan-Western Guizhou area,accompanied by Nb,Zr,Ga.It is a new type of REE deposit and has great resource potential.This paper introduces its metallogenic conditions and element occurrence states,discusses the genetic mechanism.
    • 杨天云露; 彦廷龙; 陈伟; 陆亮
    • 摘要: 银厂铅锌矿床是滇东北会泽地区矿山厂—金牛厂构造带中部典型的灯影组铅锌矿床,矿体产出受层位、岩性和构造控制明显,呈似层状、脉状及透镜状产于上震旦统灯影组白云岩中.矿石矿物以闪锌矿和方铅矿为主,次为少量黄铜矿和辉银矿,脉石矿物主要有重晶石、白云石和石英.本文通过对银厂铅锌矿床矿石主微量、REE和不同阶段单矿物S同位素组成进行测试分析.结果表明,矿石微量元素Ge和Ti含量分别为(2.12~3.07)×10-6(平均2.68×10-6)和(1.22~2.15)×10-6(平均1.61×10-6),稀土总量为(31.39~73.94)×10-6(平均49.27×10-6),变化范围较大,总体呈现比较平缓的右倾型稀土元素配分模式,LREE/HREE为(2.60~3.84)(平均3.02),LaN/YbN为2.63~3.84(平均3.02),具有轻稀土元素相对富集、分异程度相对较低的特征.矿区重晶石的硫同位素以富δ34S为特征,介于26.8‰~29.3‰,平均27.8‰,沉积期黄铁矿δ34S值介于-7.2‰~5‰,变化范围较宽,平均-0.25‰;而热液改造期硫化物的δ34S组成相对稳定,变化范围为8.4‰~13.2‰,平均10.76‰,该阶段同一手标本中δ34S闪锌矿>δ34S方铅矿,暗示S同位素分馏达到平衡,成矿流体的δ34S∑s值相当于硫化物的平均δ34S值(10.76‰).根据矿石主微量、稀土元素含量和与矿区不同时代地层和峨眉山玄武岩进行对比,认为成矿物质来源具有“多源性”,成矿元素主要来源于上震旦统灯影组围岩和峨眉山玄武岩,S主要来源于赋矿地层中的硫酸盐和早阶段形成的重晶石,生物还原作用(BSR)是沉积期还原硫形成的关键机制,而改造期的S则主要是硫酸盐矿物热化学还原(TSR)作用的产物.
    • Rahul Verma
    • 摘要: The present work is an attempt to assess the effect of crustal contamination through the Granitoids host rock, within the southern Bastar mafic dykes of Chhattisgarh, India, in the light of geochemical characteristics. Petrographically, these dykes are classified as Amphibolite, Dolerite/Meta-Dolerite and Diorite. Geochemically, all dyke samples have been classified as “high iron sub-alkaline Tholeiites”. On account of overlapping magnesium and iron concentration in Amphibolite and Dolerite dykes, distinctly higher High-Field Strength Element (HFSE), higher Rare-Earth Element (REE) concentrations in the Dolerite dykes than in the Amphibolite dykes, it is inferred that both dyke swarms are fed from two different Tholeiitic magmas. Conclusively, these dykes are recognized as belonging to two different swarms, BD1 and BD2 respectively. This is also corroborated by differences in the LREE patterns i.e. BD2 dykes have relatively enriched LREE pattern than that of BD1 dykes. It is evident from higher LaN/LuN ratio in the BD2 swarm, than in BD1 dyke swarm. These dykes intrude in the coarse-grained leucocratic Bastar Granitoids/Granite Gneisses, which are the host for these dykes. The comparative study of the Primordial mantle-normalized multi-element spider grams, and Chondrite-normalized rare-earth element patterns for the average of BD1 and BD2 dykes and the average of Bastar Granitoids, clearly reflect that the great degree of variation in LIL elements, observed in the Bastar dykes, is either due to metamorphism or due to secondary alteration, and not due to crustal contamination. This is further supported by much higher average “Nb”/“La” ratios in Bastar Mafic Dykes, than in the Bastar Granitoids. Crustal assimilation plays almost no role in the petrogenesis of the Bastar mafic dykes. The Bastar mafic dykes owe their incompatible element characteristics, certainly mantle derived.
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