维普中文期刊产品整合服务
75篇 您的检索式:作者名="ZHOU MeiFu"
    题名 作者 年代 出处 被引量
1REE and C-O Isotopic Geochemistry of Calcites from the World-class Huize Pb-Zn Deposits,Yunnan,China:Implications for the Ore Genesis显示文摘在西南的中国,云南省的世界级的 Huize Pb-Zn 存款在 Sichuan-Yunnan-Guizhou Pb-Zn polymetallic metallogenic 省的中心定位了,在 Pb+Zn 等级有超过500万吨的 Pb+Zn 储备比25%高并且包含丰富的联系金属例如 Ag , Ge , Cd ,并且 Ga 。存款在更低的含碳的碳酸盐阶层和在 orefield 的北、西南的部分散布了的二叠的 Emeishan 暗岩被招待。方解石是在沉积物的主要矿石的唯一的脉石矿物质并且能被分类进三种类型,也就是笨重,根据他们的出现的补丁和静脉方解石。在方解石和矿石矿物质之间并且在方解石的三种类型之中有没设置的接触,显示他们是有不同阶段的一样的形成矿石的年龄,它的形成的顺序从对到静脉方解石的补丁笨重。HUANG Zhilong LI Xiaobiao ZHOU Meifu LI Wenbo JIN Zhongguo 2010Acta Geologica Sinica(English Edition)2010,84,3:42
2Platinum-group element(PGE)geochemistry of the Emeishan basalts in the Pan-Xi area,SW China显示文摘在 Pan-Xi 区域的 Longzhoushan 和 Ertan 暗岩被部分融化的相对低的度产生(<7% ,在哪个期间当磅和 Pd 是不兼容的时,红外, Ru,和 Rh 是兼容的。大多数这些样品原始披风比那些有高 PGE 集中和大部分 higherPd/lr 和 Cu/Pd 比率。硫化物的小数量(~0.007%) 在部分融化期间留在披风来源,而岩浆的部分到达了硫化物浸透和分离 PGE 富有的硫化物(~0.020%-0.033 百分比) 在期间上升时期。锇,红外,和磅能形成在部分结晶化期间在铬铁矿或硫化物招待的金属性的合金处理的铂组,导致磅和 Pd 内容的去耦和红外内容的可观的变化。硫化物从玄武岩的岩浆分离了可以在岩浆水管附近在 themafic-ultramafic 侵入为 Cu-Ni-PGE 存款(矿化作用) 的形成提供重要材料来源。ZHONG Hong ZHU Weiguang QI Liang ZHOU Meifu SONG Xieyan ZHANG Yi 2006Chinese Science Bulletin2006,51,7:18
3Distinctive melt activity and chromite mineralization in Luobusa and Purang ophiolites, southern Tibet: constraints from trace element compositions of chromite and olivine显示文摘To investigate the factors controlling the mineralization in ophiolites we systematically compared the petrology and mineral compositions of the harzburgites/lherzolites, dunites and chromitites in the Luobusa and Purang ophiolites. Generally, the petrological features and trace element compositions of chromite and olivine in peridotite and chromitite are distinctly different between the two ophiolites.In Luobusa, boninitic melts are inferred to have interacted with the harzburgites and modified the distributions of some trace elements(e.g., Ni, Mn and V) in chromite and olivine. The subsequently formed dunites and chromitites experienced significant elemental exchange. In contrast, the Purang ophiolite contains a wider range of chromitite compositions and records diverse melt activities, such as the growth of relatively abundant secondary clinopyroxene. The metasomatic melts were enriched in Al and depleted in Si, Na and highly incompatible trace elements(e.g., Nb, Zr). Such melts resemble MORBlike melts proposed in the literature but are assumed to be more hydrous than typical MORB because of presence of hydrous minerals. The parental magmas of the Purang dunites and intermediate chromitites are inferred to be compositionally intermediate between boninitic and MORB-like melts. In addition,the more refractory nature of the Luobusa harzburgites facilitated a high Cr concentration gradient with the interacting melts, making it easier to increase Cr in the melts. Crystallization of clinopyroxene and amphibole in the Purang ophiolite accommodated significant amounts of Cr and water, respectively,and negatively affected Cr concentration and chromite crystallization. The concentration of chromite to form chromitites requires the presence of focused melt channels.Benxun Su Meifu Zhou Jiejun Jing Paul T. Robinson Chen Chen Yan Xiao Xia Liu Rendeng Shi Davide Lenaz Yan Hu 2019Science Bulletin2019,64,2:15
4The Pengguan tectonic dome of Longmen Mountains, Sichuan Province:Mesozoic denudation of a Neoproterozoic magmatic arc-basin system显示文摘Neoproterozoic igneous and metamorphic complexes occur as tectonic domes in the Longmen Mountains of the western margin of the Yangtze Block, and are important in reconstructing the Rodinian supercontinent and constraining the timing and mechanism of tectonic denudational processes. The Pengguan dome consists of granitic intrusions and metamorphic rocks of the Huangshuihe Group and is tectonically overlain by ductilly deformed Sinian to Paleozoic strata. The plutonic intrusions consist of granites with abundant amphibolite enclaves. New LA-ICP-MS zircon U-Pb dating yielded an emplacement age of 809±3 Ma and a protolith age of 844±6 Ma for the granite. The granitic rocks have geochemical signatures typical of A-type granites, indicating their formation under an extensional environment, by melting of newly formed tonalite-trondhjemite-granodiorite (TTG) rocks. A detachment fault, characterized by variable ductile shear deformation of S-C fabric and ESE-ward kinematics, separates the Pengguan dome from the Sinian-Paleozoic cover. 40Ar/39Ar dating of muscovite from the mylonite in the detachment fault of the dome demonstrates that ductile deformation occurred at ~160 Ma. This study indicates the existence of a Neoproterozoic magmatic arc-basin system, which was denudated by a Jurassic middle crustal ductile channel flow along the Longmenshan thrust belt.YAN DanPing ZHOU MeiFu WEI GuoQing GAO JianFeng LIU ShaoFeng XU Ping SHI XiaoYing 2008Science China Earth Sciences2008,51,11:9
5Subduction Initiation for the Formation of High-Cr Chromitites in the Kop Ophiolite, NE Turkey显示文摘The Kop ophiolite in NE Turkey,representing a forearc fragment of Neo-Tethys ocean,mainly consists of a paleoMoho transition zone(MTZ)and a harzburgitic upper mantle unit.The Kop MTZ locally containsZHANG Pengfei Ibrahim UYSAL ZHOU Meifu SU Benxun Erdi AVCI 2016Acta Geologica Sinica(English Edition)2016,90,S1:6
6Iron Isotopic Fractionation and Origin of Chromitites in the Paleo-Moho Transition Zone of the Kop Ophiolite, NE Turkey显示文摘The Kop ophiolite in NE Turkey is a fragment of Neo-Tethyan forearc.It can be mainly divided into a paleo-Moho transition zone(MTZ)in the North and a harzburgitic mantle sequence in the South.Dunites are predominant in the MTZ of the Kop ophiolite,and they are locally interlayered with chromitites and enclose minor bodies of harzburgites near the petrological Moho boundary.Large Fe isotopic variations were observed for magnesiochromite(-0.14‰to 0.06‰)and olivine(-0.12‰to 0.14‰)from the MTZ chromitites,dunites and harzburgites.In individual dunite samples,magnesiochromite usually has lighter Fe isotopic compositions than olivine,which was probably caused by subsolidus Mg-Fe exchange between the two mineral phases.Both magnesiochromite and olivine display an increasing trend ofδ56Fe along a profile from chromitite todunite.This trend reflects continuous fractional crystallization in a magma chamber,which resulted in heavier Fe isotopes concentrated in the evolved magmas.In each cumulative cycle of chromitite and dunite,dunite was formed from relatively evolved melts after massive precipitation of magnesiochromite.Mixing of more primitive and evolved melts in the magma chamber was a potential mechanism for triggering the crystallization of magnesiochromite,generating chromitite layers in the cumulate pile.Before mixing happened,the primitive melts had reacted with mantle harzburgites during their ascendance;whereas the evolved melts may lie on the olivine-chromite cotectic near the liquidus field of pyroxene.Variable degrees of magma mixing and differentiation are expected to generate melts with differentδ56Fe values,accounting for the Fe isotopic variations of the Kop MTZ.ZHAGN Pengfei ZHOU Meifu SU Benxun Ibrahim UYSAL Paul T.ROBINSON Erdi AVCI HE Yongsheng 2017Acta Geologica Sinica(English Edition)2017,91,S1:3
7A new model for chromitite formation in ophiolites: Fluid immiscibility显示文摘Although the involvement of hydrous fluids has been widely invoked in formation of podiform chromitites in ophiolites, there is lack of natural evidence to signify the role and mechanism of fluids. In this study, a new model for the genesis of podiform chromitite is proposed on basis of revisits of comprehensive petrological, mineralogical and geochemical results of the well-preserved K?z?lda? ophiolite and the well-characterized Luobusa chromite deposit. In this model, ascending magmas intruding oceanic lithospheric mantle would presumably form a series of small magma chambers continuously connected by conduits. Tiny chromite nuclei would collect fluids dispersed in such magmas to form nascent droplets. They tend to float upward in the magma chamber and would be easily transported upward by flowing magmas. Chromite-rich droplets would be enlarged via coalescence of dispersed droplets during mingling and circulation in the magma chamber and/or transport in magma conduits. Crystallization of the chromite-rich liquid droplets would proceed from the margin of the droplet inward, leaving liquid entrapped within grains as precursor of mineral inclusions. With preferential upward transportation, immiscible chromite-rich liquids would coalesce to a large pool in a magma chamber. Large volumes of chromite would crystallize in situ, forming podiform chromitite and resulting in fluid enrichment in the chamber. The fluids would penetrate and compositionally modify ambient dunite and harzburgite, leading to significant fractionations of elemental and isotopic compositions between melts and fluids from which dunite and chromitite respectively formed. Therefore, fluid immiscibility during basaltic magma ascent plays a vital role in chromitite formation.Benxun SU Xia LIU Chen CHEN Paul TROBINSON Yan XIAO Meifu ZHOU Yang BAI Ibrahim UYSAL Pengfei ZHANG 2021Science China Earth Sciences2021,64,2:3
8Standard pancreatoduodenectomy versus extended pancreatoduodenectomy with modified retroperitoneal nerve resection in patients with pancreatic head cancer:a multicenter randomized controlled trial显示文摘Background:The extent of pancreatoduodenectomy for pancreatic head cancer remains controversial,and more high-level clinical evidence is needed.This study aimed to evaluate the outcome of extended pancreatoduodenectomy(EPD)with retroperitoneal nerve resection in pancreatic head cancer.Methods:This multicenter randomized trial was performed at 6 Chinese highvolume hospitals that enrolled patients between October 3,2012,and September 21,2017.Four hundred patients with stage I or II pancreatic head cancer and without specific pancreatic cancer treatments(preoperative chemotherapy or chemoradiation)within three months were randomly assigned to undergo standard pancreatoduodenectomy(SPD)or EPD,with the latter followed by dissection of additional lymph nodes(LNs),nerves and soft tissues 270◦on the right side surrounding the superior mesenteric artery and celiac axis.The primary endpoint was overall survival(OS)by intention-to-treat(ITT).The secondary endpoints were disease-free survival(DFS),mortality,morbidity,and postoperative pain intensity.Results:TheR1 ratewas slightly lower with EPD(8.46%)thanwith SPD(12.56%).The morbidity and mortality rates were similar between the two groups.The median OS was similar in the EPD and SPD groups by ITT in the whole study cohort(23.0 vs.20.2 months,P=0.100),while the median DFS was superior in the EPD group(16.1 vs.13.2 months,P=0.031).Patients with preoperative CA19–9<200.0 U/mL had significantly improved OS and DFS with EPD(EPD vs.SPD,30.8 vs.20.9 months,P=0.009;23.4 vs.13.5 months,P<0.001).The EPD group exhibited significantly lower locoregional(16.48%vs.35.20%,P<0.001)andmesenteric LNrecurrence rates(3.98%vs.10.06%,P=0.022).The EPD group exhibited less back pain 6 months postoperation than the SPD group.Conclusions:EPD for pancreatic head cancer did not significantly improve OS,but patients with EPD treatment had significantly improved DFS.In the subgroup analysis,improvements in bothOS and DFS in the EPD armwere observed in patients with preoperative CA19–9<200.0 U/mL.EPD could be used as an effective surgical procedure for patients with pancreatic head cancer,especially those with preoperative CA19–9<200.0 U/mL.Qing Lin Shangyou Zheng Xianjun Yu Meifu Chen Yu Zhou Quanbo Zhou Chonghui Hu Jing Gu Zhongdong Xu LinWang Yimin Liu Qingyu Liu MinWang Guolin Li He Cheng Dongkai Zhou Guodong Liu Zhiqiang Fu Yu Long Yixiong Li Weilin Wang Renyi Qin Zhihua Li Rufu Chen 2023Cancer Communications2023,43,2:3
9Geochemistry and petrogenesis of 270Ma Ni-Cu-(PGE) sulfide-bearing mafic intrusions in the Huangshan district,Eastern Xinjiang,Northwest China:implications for the tectonic evolution of the Central Asian orogenic belt显示文摘Zhou Meifu Michael Lesher C Yang Zhengxi 2004Chemical Geology2004,209,:1
10Granites: Origin and associated mineralization显示文摘As a dominant components in continental crust,granite is certainly the key target to investigate the crustal evolution, and more economically,to explore the mineral resources. With the improvement of our analytical approaches at dif- ferent scales,significant advances have been made in the origin of granites and associated mineralization in China. This is mainly focused on the following three aspects:(1)the geochemical differentiation of granitic melts during their production by partial melting and emplacement by fractional crystallization,(2)the growth and reworking of crustal rocks at convergent plate boundaries,and (3)the concentration of metallogenic elements and eventually ore deposition in the crust.Rucheng WANG Meifu ZHOU 2018Science China Earth Sciences2018,61,12:1
11Secular evolution of the lithosphere beneath the eastern North China Craton: Evidence from Mesozoie basalts and high-Mg andesites显示文摘Zhang Hongfu Sun Min Zhou Xinhua Zhou Meifu Fan Weiruing Zheng Jianping 2003Geochim Cosmochim Acta2003,67,22:1
12Constraints on the depth,geometry and kinematics of blind detachment faults provided by fault-propagation folds:An example from the Mesozoic fold belt of South China显示文摘Yan Danping Zhang Bing Zhou Meifu  2009Journal of Structural Geology2009,31,2:1
13Emeishan large igneous province,SW China显示文摘Jason R A Thompson G M Zhou Meifu 2005Lithos2005,79,:1
14Helium and argon isotope geochemistry of alkaline intrusion-Associated gold and copper deposits along the Red River-Jinshajiang fault belt,SW China显示文摘 Burnard P G Bi Xianwu Zhou Meifu Peng Jiantang Su Wenchao Wu Kaixing 2004Chemical Geology2004,203,:1
15Detrital zircon record of Neoproterozoic active- margin sedimentation in the eastern Jiangnan Orogen, South China显示文摘Wang Wei Zhou Meifu Yan Danping 2013Precambrian Research2013,235,:1
16Geochemistry and origin of listwanites in the Sartohay and Luobusa Ophiolites, China显示文摘Paul Robinson John Malpas Zhou Meifu 2005International Geology Review2005,47,:1
17The role of potash in sustainable agriculture,poster:The effect of K fertilizer on cash crops and fruit in Guangxi显示文摘Hongwei Tan Liuqiang Zhou Rulin Xie and Meifu Huang 2002Feed the soil to feed the people2002,,:1
18Paleoproterozoic rift-related volcanism of the Xiong'er Group, North China Craton: Implication for the breakup of Columbia显示文摘Zhao Taiping Zhou Meifu Zhai Mingguo 2002International Geology Review2002,44,:1
19Origin and tec- tonic significance of a Mesozoic multi-layer over-thrust system within the Yangtze Block (South China)显示文摘Yan Danping Zhou Meifu Song Hongling 2003Tectonophysics2003,361,34:1
20Geochemistry and petrogenesis of 270 Ma Ni-Cu-(PGE) sulfide-bearing mafic- ultramafic intrusions in Huangshan district, eastern Xinjiang, northwest China: implications for the tectonic evolution of the Central Asian orogenic belt显示文摘Zhou Meifu Leshen C M Yang Zhengxi 2004Chemical Geology2004,209,:1
返回顶部 每页显示:
共4页 首页 上一页 第1页 下一页 末页 /4 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费