袁洪林
地球化学;同位素地球化学;分析地球化学;分析化学
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- 姓名:袁洪林
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学术头衔:
博士生导师, 教育部“新世纪优秀人才支持计划”入选者
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学科领域:
地球化学
- 研究兴趣:地球化学;同位素地球化学;分析地球化学;分析化学
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袁洪林, Hong-Lin Yuan a, b, *, Shan Gao a, Meng-Ning Dai a, Chun-Lei Zong a, Detlef Günther c, Gisela Helene Fontaine c, Xiao-Ming Liu a, ChunRong Diwu a
Chemical Geology 247 (2008) 100-118,-0001,():
-1年11月30日
We describe an in situ method for simultaneous measurement of U–Pb–Hf isotopes and trace element compositions of zircons using a quadrupole and multiple-collector inductively-coupled-plasma mass spectrometer (Q-ICP-MS and MC-ICP-MS, respectively) connected to a single excimer laser-ablation system. A laser-generated zircon aerosol was split behind the ablation cell into two transport tubes via a Y-shaped connector and simultaneously introduced into the two mass spectrometers. Hafnium isotopes were measured on the MC-ICP-MS instrument, while U–Pb ages and trace element compositions were determined using the Q-ICP-MS. The precision and accuracy of this method was evaluated using six well-known and widely used zircon standards (91500, Temora-2, GJ-1, Mud Tank, BR266 and Monastery). Analyses were carried out using spot sizes of 32, 44 and 60 μm. For the 44 and 60 μm spot, the resulting U–Pb ages, Hf isotopic and rare earth element (REE) compositions of these six zircons agree with recommended/reported values within 2σ error. The difference in relative standard deviations (RSD) of 206Pb/238U ages between split-flow measurements and those obtained separately on the Q-ICP-MS is within ∼20% for 91500, Temora-2 and GJ-1, and ∼60% for Mud Tank (due to its lower U and Pb concentrations). Our method provides a precise approach for determining the U–Pb age and the Hf isotopic and trace element compositions of zircon within a single ablation event. This is in particular important for analysis of zircons that are small or contain complicated zoning patterns. Finally, the REE composition of zircon BR266 is more homogeneous than other zircons and could be a suitable standard by which to benchmark new standards for microprobe analyses of zircons.
Zircon, Hf isotopes, U-Pb dating, Trace elements, Laser ablation, ICP-MS
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袁洪林, Honglin Yuan a, b, Shan Gaoa, b, ⁎, Roberta L. Rudnick c, Zhenmin Jin b, Yongsheng Liu b, Igor S. Puchtel c, Richard J. Walker c, Ridong Yu b
Chemical Geology 236 (2007) 323-338,-0001,():
-1年11月30日
Serpentinized garnet peridotites from the Xugou peridotite body of the Sulu ultrahigh-pressure (UHP) metamorphic terrane, central eastern China, are refractory (olivines have Fo91.7–93.1), indicating their origin as residual mantle. Negative correlations between whole-rock MgO and TiO2, Al2O3, total Fe2O3 and CaO (r=−0.90 to −0.95) and positive correlations between wholerock Al2O3 and CaO and incompatible elements [Li, V, Cu, Ga, Sr, Y, Zr, heavy rare earth elements (HREEs), Hf, Pb and U] (r=0.69 to 0.98) likely reflect melt depletion trends. Four highly refractory samples were selected for Re–Os isotopic analysis. Although they show evidence of variable enrichment of incompatible elements during serpentinization/metasomatism, no correlations exist between 187Re/188Os or 187Os/188Os with either La or Re (r=0.00 to 0.17). These results indicate that any Re addition was fairly recent and did not affect the Os isotopic composition significantly.The correlation between 187Os/188Os and 187Re/188Os ratios thus, most likely reflects an ancient melt extraction event. The TRD, TMA and errorchron ages of the Xugou peridotites are all similar, suggesting that these peridotites formed around 2.0 Ga ago. This age is similar to Os model ages of mantle peridotites from the Dabie terrane, but contrasts markedly with the Archean ages of the continental lithospheric mantle (CLM) beneath the eastern block of the North China craton (NCC). If we assume that the Dabie–Sulu belt formed by the Triassic collision of the Yangtze craton with the eastern block of NCC and that the Archean aged CLM of the latter persisted until the Triassic, the Paleoproterozoic ages suggest derivation of these Dabie–Sulu mantle peridotites from the Yangtze craton. A Yangtze craton origin is consistent with the existing tectonic model of the Dabie– Sulu UHP belt. Our results support the hypothesis that the crust and underlying lithospheric mantle of the Yangtze craton were subducted to depths of N180–200 km to form the world's largest UHP belt.
Re-Os isotopes, Dabie-Sulu, Eastern China, CLM
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袁洪林, 高山, 罗彦, 宗春蕾, 戴梦宁, 柳小明, 第五春荣
矿物岩石地球化学通报,26:71,-0001,():
-1年11月30日
本文利用多收电感拥合等离子体质谱仪(MC-ICP-MS)进行了同位素稀释法Lu-Hf年代学研究,建立了全岩La、Hf的分离条件。分离持Lu溶液中176LU/189YB大于30,分离后HF溶液中LU和YB对HF的干扰(176LU/HF和176YB/176HF均小于2*10-6和2*10-4)采用指数法则进行校正。建立了MC-ICP-MS进行LU、HF同位素高精度准确测度的校正方法。天然样品中HF同位素176HF177HF的内部测试精度优于0.00015%,外部精密度优于0.0010%。应用本文建立的方法获得大别双河榴辉岩石榴子石-全岩LU-HF等时线年龄为(254+-16)MA(2A)。年龄冲天差稍大与该样品石榴子三石中较低LU含量(1.1Ug/g)和榴子石-全岩未充分分开的178LU/177HF比值(分别为0.05和0.01)有关。
Lu-Hf年代学, 榴辉岩, MC-ICP-MS
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【期刊论文】Geochemistry and U-Pb zircon geochronology of Late-Mesozoic lavas from Xishan, Beijing
袁洪林, YUAN Honglin, LIU Xiaoming, LIU Yongsheng, GAO Shan, & LING Wenli
Science in China: Series D Earth Sciences 2006 Vol. 49 No.150-67,-0001,():
-1年11月30日
Zircon U-Pb dating by both SHRIMP and LA-ICP-MS and geochemical study of the Tiaojishan Formation and the Donglintai Formation from Xishan, Beijing, reveal that ages of upper lavas of Tiaojishan Formation and Middle of Donglintai Formation are 137.1±4.5 Ma(2 σ) and 130- 134 Ma, respectively. The fomer is slightly older than the latter and the age difference between these two formations is less than 5 Ma. These lines of evidence prove that the two volcanoes erupted within a short time. The age of the Tiaojishan Formation from Xishan, Beijing is distinctively different from that of the Chende Basin. This indicated that the ages of Tiaojishan lavas varied in different regions. The Tiaojishan Formation consists of typical adakite (SiO2=56%, Na2O = 3.99-6.17, Na2O/K2O = 2.2 -3.1, Sr = 680-1074×10−6, Y = 13.2-16.3×10−6, Yb = 1.13-1.52×10−6, Sr/Y = 43-66), high-Mg adakite and high-Mg andesite (Mg# = 54-55). Features of continental crust of adakite from the Tiaojishan Formation and its syngeneric middle silicic vocanic rocks, such as typical Nd-Ta negative abnormality and Pb possive abnormality, indicate that these lavas are originated from partial melts of continental crust. These results suggest that the adakite from the Tiaojishan Formation of Xishan, Beijing derived from thickened eclogitic lower crust and lithosphere beneath the North China craton at mesozoic that was foundered into the aesthenosphere, and subsequenctly partially melted and interacted with mantle olivine during melts upward migration. The age of lavas from the Tiaojishan Formation restrained the foundation which should last at least until 137 Ma. Lavas of the Donglintai Formation are rhyolith and andesite with normal Mg# and thus they did not interact with the mantle. These lavas represent remobilized melts of lower crust material caused by mantle aesthenosphere upwelling migration induced by foundation.
adakite, eclogite, geochemistry, North China craton, lower crust foundation.,
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袁洪林, YUAN Honglin, WU Fuyuan, GAO Shan, , LIU Xiaoming, XU Ping & SUN Deyou
Chinese Science Bulletin 2003 Vol. 48 No.22: 2411-2421,-0001,():
-1年11月30日
Using the in situ zircon U-Pb dating method of LA-ICPMS, we analyzed the 31 Ma old SHRIMP U-Pb age of the Yongsheng nepheline syenite from southern Jilin Province under different spot sizes. The obtained ages are comparable with that of SHRIMP in both accuracy and precision. The age is also identical to that of the Yinmawanshan gabbro from the Liaodong Peninsula within error. Both the Yongsheng nepheline syenite and the Yinmawanshan gabbro represent the youngest known exposed intrusions in northeastern and even eastern China. The results indicate the Eocene mantle-derived magmatic underplating, and the rapid crustal uplifting of this region since 30 Ma. The analyses also document extremely high LREE concentrations and relatively flat REE patterns for the zircons from the Yongsheng nepheline syenite, which represent a new type of zircon REE pattern.
LA-ICPMS, U-Pb dating, Cenozoic, gabbro, syenite, zircon.,
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袁洪林, Honglin Yuan a, *, Shenghong Hu a, Jian Tong b, Lihua Zhao b, Soulin Lin b, Shan Gao a
Talanta 52 (2000) 971-981,-0001,():
-1年11月30日
Ultra-pure water is prepared by distillation, and followed by ion exchange and passing through an E-PURE water purifier. The resulting ultra-pure water has an electrical conductivity of 18 MV. Ultra-pure nitric, hydrochloric, hydrofluoric and perchloric acids are prepared by sub-boiling distillation. Spectra for mass range 3–240 amu are scanned by inductively coupled plasma mass spectrometry for tap, distilled, deionized and ultra-pure waters, and extra- and ultra-pure acids. The results show that the sub-boiling distillation greatly improves the quality of all the four acids under investigation. Metal impurities such as 75, 93, 121, 123, 134–138, 181 and 206–209 amu were remarkably reduced (sub-ppb level) after sub-boiling distillation. Configuration of peaks due to the formation of polyatomic ions was similar to the literature values reported elsewhere (S.H. Tan, G. Horlick, Appl. Spectrosc. 40 (4) (1986) 445). © 2000 Elsevier Science B.V. All rights reserved.
Ultra-pure water, Ultra-pure acids, Background, ICP-MS
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袁洪林, Hong-Fei Zhang a, *, Randall Parrish b, Li Zhang a, Wang-Chun Xu a, Hong-Lin Yuan c, Shan Gao a, Quentin G. Crowley b
Lithos 97 (2007) 323-335,-0001,():
-1年11月30日
The Songpan–Garze fold belt covers a huge triangular area (N200,000 km2), confined by the South China (Yangtze), North China and Tibetan Plateau continental blocks. In the Songpan–Garze fold belt, Triassic adakitic granitoids have been identified. However, whether there are Triassic A-type granites is unclear. Here, we report our first finding of an A-type granite (Nianbaoyeche), which occurs in the central part of the Songpan–Garze fold belt. The Nianbaoyeche granite (~820 km2) is characterized by arfvedsonite in its mineral assemblage. Using both LA-ICPMS and TIMS U–Pb zircon dating methods, we obtain a magma crystallization age of 211±1 Ma, which is slightly younger than Triassic adakitic granitoids (216–221 Ma) in the Songpan–Garze fold belt. The Nianbaoyeche granite is enriched in Si, K, Na, Rb, REE, HFSE (Nb, Ta, Zr, Hf), with elevated FeOtot/(FeOtot+MgO) and Ga/Al ratios, but is depleted in Al, Mg, Ca, Ba and Sr. The REE compositions show moderately fractionated patterns with (La/Yb)N=2.67–7.54 and Eu~/Eu=0.09–0.34. These geochemical characteristics indicate that the Nianbaoyeche granite has an A-type affinity. Geochemical data and U–Pb zircon age, combined with regional studies, show that the Nianbaoyeche granite formed in a post-collisional tectonic setting. Sr–Nd isotopic data for the granite exhibit ISr=0.7090-0.7123 and εNd(t)=−2.72 to-4.26 with TDM=1.15–1.51 Ga, suggesting that the magma has a dominantly crustal source, though a minor contribution from the mantle cannot be ruled out. Melting to produce an A-type granite may have resulted from Triassic lithospheric delamination after Triassic crustal thickening of the Songpan–Garze fold belt due to convergence between the Yangtze, North China and North Tibet continental blocks. The lithospheric delamination model also helps to explain the Triassic adakitic magma generation in the Songpan–Garze belt. We conclude that association of A-type granite and adakitic granitoids in postcollisional environment could be a useful indicator of lithospheric delamination.
A-type granite, U-Pb age, Magmatism association, Post-collision, Lithospheric delamination, Songpan-Garze fold belt, West China
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袁洪林, Yongsheng Liu, *a Zhaochu Hu, a Honglin Yuan, b Shenghong Hua and Haihong Chenga
J. Anal. At. Spectrom., 2007, 22, 582-585,-0001,():
-1年11月30日
We report a new volume-optional and low-memory (VOLM) chamber for laser ablation-ICP-MS, which includes an active inner cell and an external cell. The external cell has a gas inlet and is a closed design cell, which can be large enough to accommodate as many targets as required. The inner cell is a transparent cylinder in which the gas outlet is fixed and connected to the outer transfer tube. The VOLM chamber has three outstanding advantages: (1) improved sensitivity (3.5–13.0- and 1.1–2.0-fold greater than for single-pulse and continuous ablation in a standard cell, respectively); (2) good stability (reproducible sampling positions); and (3) low cell-related memory effects (washout time 1–4 s). These advantages mean that the VOLM chamber is suitable for investigating the compositions of small samples in terms of profile and depth analyses.
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【期刊论文】The uncertainty budget of the multi-element analysis of glasses using LA-ICP-MS
袁洪林, Yan Luo, wa Shan Gao, bc Henry P. Longerich, d Detlef Gu¨ nther, e Samuel Wunderli, f Hong-Lin Yuanc and Xiao-Ming Liuc
J. Anal. At. Spectrom., 2007, 22, 122-130,-0001,():
-1年11月30日
A first attempt was made to estimate an uncertainty budget for the multi-element analysis of glasses using LA-ICP-MS, in accordance with the ‘‘Bottom-up’’ approach of the EURACHEM/ CITAC-Guide.1 Analyses of NIST SRM 612, 614 and USGS glasses BCR-2G and BIR-1G were carried out using a 193 nm excimer LA-ICP-MS under routine conditions. Calibration was performed using NIST 610 with internal standardisation using Ca. The uncertainty budgets for the analytes Co, La and Th were studied. Instrumental drift and uncertainties from working values of NIST 610, as reported by Pearce et al.,2 are the dominant sources of uncertainty for a typical individual analysis of NIST 612 and BCR-2G/BIR-1G with mass contents of Co, La and Th ranging from 6 to 52 mg g_1. In contrast, the uncertainty contributions from Poisson counting statistics prevail for those of NIST 614 and BIR-1G with the three elements having a lower range between 0.029 and 0.75 mg g_1. La was an exception. Its combined uncertainties were consistently dominated by its uncertainty from the working value of NIST 6102 at all mass content ranges investigated, suggesting that more accurate reference values for the analyte in NIST 610,2 and for all analytes with large uncertainties, are needed. Additionally, a z-score assessment was carried out using procedures similar to those used in the International Proficiency Test for Analytical Microprobe Geochemistry Laboratories. The z-scores in this study were in the range _2 o z o 2, indicating that there were no significant unsuspected influences in the analytical system. This suggests that the uncertainty budget reported here contains all the significant parameters.
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【期刊论文】The chemical-temporal evolution of lithospheric mantle underlying the North China Craton
袁洪林, Fu-Yuan Wu a, *, Richard J. Walker b, Yue-Heng Yang a, Hong-Lin Yuan c, Jin-Hui Yang a
Geochimica et Cosmochimica Acta 70 (2006) 5013-5034,-0001,():
-1年11月30日
Previous studies of samples of subcontinental lithospheric mantle (SCLM) that underlay the North China Craton (NCC) during the Paleozoic have documented the presence of thick Archean SCLM at this time. In contrast, samples of SCLM underlying the NCC during the Cenozoic are characterized by evidence for melt depletion during the Proterozoic, and relatively recent juvenile additions to the lithosphere. These observations, coupled with geophysical evidence for relatively thin lithosphere at present, have led to the conclusion that the SCLM underlying the NCC was thinned and modified subsequent to the late Paleozoic. In order to extend the view into both the Paleozoic and modern SCLM underlying the NCC, we examine mantle xenoliths and xenocrystic chromites extracted from three Paleozoic kimberlites (Tieling, Fuxian and Mengyin), and mantle xenoliths extracted from one Cenozoic basaltic center (Kuandian). Geochemical data suggest that most of the Kuandian xenoliths are residues of small degrees of partial melting from chemically primitive mantle. Sr–Nd–Hf isotopic analyses indicate that the samples were removed from long-term depleted SCLM that had later been variably enriched in incompatible elements. Osmium isotopic compositions of the two most refractory xenoliths are depleted relative to the modern convecting upper mantle and have model melt depletion ages that indicate melt depletion during Paleoproterozoic. Other relatively depleted xenoliths have Os isotopic compositions consistent with the modern convecting upper mantle. This observation is generally consistent with earlier data for xenoliths from other Cenozoic volcanic systems in the NCC and surrounding cratons. Thus, the present SCLM underlying the NCC has a complex age structure, but does not appear to retain materials with Archean melt depletion ages. Results for what are presumed to be early Paleozoic xenoliths from Teiling are generally highly depleted in melt components, e.g. have low Al2O3, but have also been metasomatically altered. Enrichment in light rare earth elements, low eNd values (__10), and relatively high 87Sr/86Sr (0.707–0.710) are consistent with a past episode of metasomatism. Despite the metasomatic event, 187Os/188Os ratios are low and consistent with a late Archean melt depletion event. Thus, like results for xenoliths from other early Paleozoic volcanic centers within the NCC, these rocks sample dominantly Archean SCLM. The mechanism for lithospheric thinning is still uncertain. The complex age structure currently underlying the NCC requires either variable melt depletion over the entire history of this SCLM, or the present lithospheric material was partly or wholly extruded under the NCC from elsewhere by the plate collisions (collision with the Yangtze Craton and/or NNW subduction of the Pacific plate) that may have caused the thinning to take place.
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