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| 1 | 急性心肌梗塞溶栓治疗对比研究显示文摘37所医院对急性心肌梗塞患者528例,随机分为尿激酶组(272例)和去纤酶组(256例)均为静脉法给药,尿激酶组并辅以阿司匹林和肝素,对比两组溶栓疗效。尿激酶组与去纤酶组比较:血管再通率分别为58.1%对40.6%(P<0.001);4周病死率分别为8.1%对17.6%(P<0.005);出血并发症分别为11.0%对27.0%(P<0.001)。说明尿激酶组疗效明显优于去纤酶组,且出血并发症较少。血管再通者较血管未通者严重并发症和梗塞延展明显减少,明显降低急性期病死率。 | (Collaborative Research Group. Fu Wai Hospital,CAMS, Bei jing 100037) | 1994 | 中华心血管病杂志1994，22，1： | 141 |
| 2 | 瑞舒伐他汀治疗中国高胆固醇血症患者疗效和安全性的随机双盲多中心对照研究显示文摘目的评价瑞舒伐他汀治疗中国高胆固醇血症患者的疗效和安全性。方法采用随机、双盲、多中心研究。患者经6周筛选后符合 LDL-C≥4.14 mmol/L(160 mg/dl),<6.50 mmol/L(250 mg/dl)、TG<4.52 mmol/L(400 mg/dl)者以2:1随机接受瑞舒伐他汀10 mg/d 或阿托伐他汀10mg/d 治疗。12周后瑞舒伐他汀组 LDL-C 未达到 ATPⅢ治疗目标者,予瑞舒伐他汀20 mg 延续治疗8周。结果 304例进入随机治疗阶段,瑞舒伐他汀10 mg/d 组201例,阿托伐他汀10 mg/d 组103例。意向治疗人群290例,符合方案人群263例。瑞舒伐他汀组治疗12周后血 LDL-C 显著下降,下降幅度为45.6%,显著大于阿托伐他汀组的39.0%(P<0.001)。瑞舒伐他汀组患者 LDL-C 达标率也较阿托伐他汀组(78.0%比72.7%)有增高趋势,且在高危人群中优势更为明显(56.5%比35.0%),但差异未达到统计学意义。瑞舒伐他汀降低 TG(-22.8%)以及升高 HDL-C(+6.6%)和ApoA-1(+12.5%)的幅度与阿托伐他汀组差别无统计学意义(分别为-16.6%,+4.3%和+9.8%)。29例患者接受20 mg/d 瑞舒伐他汀延续治疗,22例完成治疗患者中10例(45.5%)LDL-C达标。研究中未发现药物相关的严重不良反应事件。结论本组研究显示瑞舒伐他汀10 mg 降低LDL-C 的疗效优于同等剂量的阿托伐他汀,治疗3个月安全性与之类似。 | Rosuvastatin Registration Clinical Trial Group.Cardiovascular Institute and Fu Wai Hospital,Peking Union Medical College and Chinese Academy of Medical Science,Beijing 100037,China | 2007 | 中华心血管病杂志2007，35，3： | 117 |
| 3 | SHRIMP dating of the Bangong Lake SSZ-type ophiolite: Constraints on the closure time of ocean in the Bangong Lake-Nujiang River,northwestern Tibet显示文摘The Bangong Lake ophiolite is located in the westernmost part of the Bangong Lake-Nujiang River suture zone. It is a tectonic mélange consisting of numerous individual blocks of peridotite, pillowed and massive lavas and mafic dykes with SSZ-type ophiolitic geochemical affinity formed at the end of a Wilson circle. The SHRIMP U-Pb ages of the co-magmatic zircon domains from one gabbroic dyke (Sample 01Y-155) range from 162.5±8.6 Ma to 177.1±1.4 Ma with an average of 167.0±1.4 Ma (n = 12, MSWD = 1.2), suggesting that the subduction of the Bangong Lake Neo-Tethyan Ocean started before the Middle Jurassic. It is inferred that the tectonic transform from spreading to subduction of the Neo-Tethyan Ocean began before the Middle Jurassic in the Bangong Lake area. | SHI RenDeng1,2 1 School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China 2 Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China (email: shird@ustc.edu.cn) | 2007 | Chinese Science Bulletin2007，52，7： | 70 |
| 4 | Preventive effect of glutamine on intestinal barrier dysfunction induced by severe trauma显示文摘AIM: To investigate the mechanism underlying intestinalbarrier function damage after severe trauma and thetherapeutic effect of glutamine.METHODS: Burned patients, and animal models of severstrauma replicated by hemorrhagic shock combined withendotoxin infusion and burn injury, were included in a serialexperiment. Effects of oral glutamine on intestinal barrierfunction were observed in scalded rets. Parametersmeasured in these experiments were as follows: plasmalevels of diamine oxidase (DAO), tumor necrosis factor(TNFα), endotoxin (LPS), and lactate as well as D-lactateby biochemical methods, lactose/mannitol (L/M) ratio inurine by SP-3400, and pathological examination of intestinalmucosa under light microscopy.RESULTS: Plasma DAO activity was significantly increasedafter injury. There was a negative correlation betweenplasma DAO and intestinal mucosal DAO or pHi ( r= -0.93,plasma 0.80 ± 0.93,2.83 ± 1.71, 1.14 ± 0.64,2.36 ± 2.06 and2.49± 1.67 vs intestinal 0.52± 0.12,0.34 ± 0.03,0.45 ± 0.18,0.37± 0.26 and 0.41 ± 0.07; r = - 0.533, plasma 0.87 ± 0.75,1.89± 1.13, 1.21 ± 0.23,3.03 ± 2.61 and 4.70 ± 1.22 Vs pHi7.03± 0.05,7.05 ± 0.06,7.14 ± 0.096,7.20 ± 0.08 and 7.05 ±0.07; P < 0.01-0.05). Positive correlations were foundbetween DAO activity and plasma TNFα, LPS, lactate, L/Mand D-lactate ( r = 0.817, 0.842, 0.872, and 0.951; plasmaDAO 0.87 ± 0.75,1.89 ± 1.13, 1.21 ± 0.23,3.03 ± 2.61 and 4.70± 1.22 vs TNF 0.08 ± 0.02,0.03 ± 0.25,0.17 ± 0.09,0.34 ± 0.15and 0.33 ± 0.18; vs LPS 0.14 ± 0.03,0.16 ± 0.04,0.21 ± 0.02,0.18± 0.16 and 0.37 ± 0.10; vs lactate 9.03 ± 2.19, 18.30 ±2.56,9.81 ± 2.83,12.01 ± 6.83, 12.01 ± 6.84 and 43.61 ± 11.27;vs L/M 0.03 ± 0.01,0.41 ± 0.27,0.62 ± 0.20, 1.70 ± 0.60; r =0.774, plasma DAO 1.25 ± 0.41,2.17 ± 0.71,2.29 ± 0.87, 1.23± 0.55 and 1.11 ± 0.47 vs D-lactate 8.37 ± 2.48, 18.25 ± 6.18,13.96 ± 4.94, 8.93 ± 3.00 and 12.39 ± 4.94; all P < 0.01),repestively. Damage of intestinal mucosa was found bypathological examination. Intestinal barrier function wasimproved to a certain extent by oral glutamine in scaldedrats.CONCLUSION: Intestinal barrier function was damaged in theearly stage after trauma. Plasma DAO activity, D-lactatecontent, intestinal pHi and urine L/M may be sensitivemarkers of intestinal mechanical injury, and glutamine mayprotect against intestinal barrier dysfunction after severetrauma. | Jun-You Li Yi Lu Sen Hu Dan Sun Yong-Ming Yao Burn Institute,Chinese PLA 304 Hospital,Beijing 100037,China | 2002 | World Journal of Gastroenterology2002，8，1： | 74 |
| 5 | SHRIMP zircon U-Pb geochronology of early Mesozoic felsic igneous rocks from the southern Lancangjiang and its tectonic implications显示文摘The SHRIMP zircon U-Pb geochronology of three typical samples, including two monzo nitic granites from the Lincang batholith and a rhyolite from the Manghuai Formation are presented in the southern Lancangjiang, western Yunnan Province. The analyses of zircons for the biotite monzonitic granites from the northern (02DX-137) and southern (20JH-10) Lincang batholith show the single and tight clusters on the concordia, and yield the weighted mean 206Pb/238U ages of 229.4 ± 3.0 Ma and 230.4 ± 3.6 Ma, respectively, representing the crystallized ages of these granites. The zircons for the rhyolitic sample (02DX-95) from the Manghuai Formation give a weighted mean 206Pb/238U age of 231.0 ± 5.0 Ma. These data suggest that the igneous rocks from the Lincang granitic batholith and Manghuai Formation have a similar crystallized age. In combination with other data, it is inferred that both were generated at a narrow age span (~230 Ma) and were originated from the postcollisional tectonic regime. An early Proterozoic 206Pb/238U apparent age of 1977±44 Ma is additionally obtained from one zircon from the biotite monzonitic granite (southern Lincang batholith), indicative of devel- opment of the early Proterozoic Yangtze basement in the region. These precisely geochronological data provide important constraints on better understanding the Paleozoic tectonic evolution of the Tethys, western Yunnan Province. | PENG Touping1,2, WANG Yuejun1, FAN Weiming1, LIU Dunyi3, SHI Yuruo3 & MIAO Laicheng4 1. Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China 2. Graduate University of Chinese Academy of Sciences, Beijing 100039, China 3. SHRIMP isotope Laboratory, Chinese Academy of Geological Sciences, Beijing 100037, China 4. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China | 2006 | Science China Earth Sciences2006，49，10： | 55 |
| 6 | Mianlüe tectonic zone and Mianlüe suture zone on southern margin of Qinling-Dabie orogenic belt显示文摘The Mianle tectonic zone (Mianle zone), an ancient suture zone in addition to the Shangdan suture in the Qinling-Dabie orogenic belt, marks an important tectonic division geo-logically separating north from south and connecting east with west in China continent. To de-termine present structural geometry and kinematics in the Mianle tectonic zone and to recon-struct the formation and evolution history involving plate subduction and collision in the Qinling-Dabie orogenic belt, through a multidisciplinary study, are significant for exploring the mountain-building orogenesis of the central orogenic system and the entire process of the major Chinese continental amalgamation during the Indosinian. | ZHANG Guowei1, DONG Yunpeng1, LAI Shaocong1, GUO Anlin1, MENG Qingren2, LIU Shaofeng3, CHENG Shunyou1, YAO Anping1, ZHANG Zongqing4, PEI Xianzhi5 & LI Sanzhong6 1. Department of Geology, Northwest University, Xian 710069, China 2. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100101, China 3. Earth Science and Resource Faculty, China University of Geosciences, Beijing 100083, China 4. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 5. Changan University, Xian 710054, China 6. Qingdao University of Oceanography, Qingdao 266003, China | 2004 | Science China Earth Sciences2004，47，4： | 57 |
| 7 | Relationship between plasma D(-)-lactate and intestinal damage after severe injuries in rats显示文摘AIM To explore the kinetic changes in plasma D (-)lactate and lipopolysaccharide ( LPS ) levels, and investigate whether D (-)-lactate could be used as a marker of intestinal injury in rats following gut ischemia/reperfusion, burn, and acute necrotizing pancreatitis (ANP).METHODS Three models were developed in rats:gut ischemia/reperfusion obtained by one hour of superior severe burn injury created by 30% of total body surface induced by continuous inverse infusion of sodium taurocholate and trypsin into main pancreatic duct.Plasma levels of D( - )-lactate in systemic circulation and LPS in portal circulation were measured by enzymaticspectrophotometric method and limulus amebocyte lysate (LAL) test kit, respectively. Tissue samples of intestine were taken for histological analysis.RESULTS One hour gut ischemia followed by reperfusion injuries resulted in a significant elevation in plasma D( - )lactate and LPS levels, and there was a significant correlation between the plasma D( - )-lactate and LPS (r =0.719, P<0.05). The plasma concentrations of D(-)lactate and LPS increased significantly at 6 h postburn,and there was also a remarkable correlation between them (r = 0.877, P < 0.01). D ( - )-lactate and LPS levels elevated significantly at 2 h after ANP, with a similar significant correlation between the two levels (r-0.798,P < 0.01 ). The desquamation of intestine villi and infiltration of inflammatory cells in the lamina propria were observed in all groups.CONCLUSION The changes of plasma D( - )-lactate levels in systemic blood paralleled with LPS levels in the portal vein blood. The measurement of plasma D (-)-lactate level may be a useful marker to assess the intestinal injury and to monitor an increase of intestinal permeability and endotoxemia following severe injuries in early stage. | Xiao-Qing Sun Xiao-Bing Fu Rong-Zhan Yi Lü Qun Deng Xiao-Guo Jian Zhi-Yong Sheng Bum Institute, 304~(th)Hospital,Beijing 100037,China Department of General Surgery,Chinese PLA 304 Hospital,Beijing 100037,China | 2001 | World Journal of Gastroenterology2001，7，4： | 56 |
| 8 | 中国大陆地壳“镶嵌与叠覆”的结构特征及其演化显示文摘初步探讨了中国大陆地壳“块带镶嵌多层叠覆”的结构特征和多阶段的构造演化过程。中国大陆地壳新元古代中期以来的一级构造单元有中朝、塔里木、扬子、敦煌4个陆块和中央、西北、东北、西南、东南5个造山区(带)。中朝陆块的形成源于古元古代期间发生的古大陆裂解;扬子、塔里木和敦煌陆块的形成源于新元古代早期发生的古大陆裂解。西北造山区的形成源于古生代晚期洋盆关闭、大陆碰撞并叠加新生代陆内再造山;东北造山带的形成过程包括古生代碰撞造山及中生代增生、碰撞造山;中央造山带至三叠纪大陆碰撞才最后形成并叠加有新生代再造山;东南造山带的形成经历了古生代至新生代的多次造山作用;西南造山带主要是中—新生代造山作用的产物。这些单元都具有“块带镶嵌多层叠覆”的结构特征和多阶段构造演化的特点。中国大陆地壳的形成与演化可以划分为太古宙—古元古代、中元古代—新元古代早期、新元古代中期—古新世和始新世以来4个构造阶段,每个阶段都对应不同的超大陆裂解-聚合旋回。其中新元古代中期以来的地壳形成演化与全球洋陆格局中的古亚洲洋、古特提斯洋、古太平洋、特提斯洋和太平洋5个动力学体制有关,相应地可以归结为古亚洲、古特提斯、古太平洋、特提斯和太平洋5个造山域。 | LI Jinyi(Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China) | 2004 | 地质通报2004，23，9： | 54 |
| 9 | SHRIMP ages of detrital zircons from the Changcheng System in the Ming Tombs area,Beijing:Constraints on the protolith nature and maximum depositional age of the Mesoproterozoic cover of the North China Craton显示文摘The Mesoproterozoic Changcheng System is widely distributed in the North China Craton. Determining its time of deposition and sources is important to understand the Precambrian crustal evolution of the North China Craton. This paper suggests age distribution patterns for detrital zircons from clastic sediments of the Changcheng System in the Ming Tombs area, Beijing. Samples of feldspar-bearing sandstone (CHc-2) and pure sandstone (CHc-9) were collected from the Changzhougou Formation, which constitutes the basal part of the Changcheng System. Detrital zircons show an age range from 2.35 to 2.60 Ga. However, sample CHc-9 in the upper Changzhougou Formation also contains some zircons with ages of 1.9-1.8 Ga and 2.3-2.1 Ga. The age patterns lead to the following conclusions: (1) Most of the detrital material came from a source area composed predominantly of ~2.5 Ga continental crust of the North China Craton; (2) 1.9-1.8 Ga reflects the age record of Palaeoproterozoic continent-continent collisional event in the North China Craton; and (3) the oldest age for deposition of the Changcheng System is 1.8 Ga. | WAN Yusheng1,2, ZHANG Qiaoda1 & SONG Tianrui1 1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2. Beijing SHRIMP Laboratory, Beijing 100037, China Correspondence should be addressed to Wan Yusheng (e-mail: wanyusheng@cags.net.cn) | 2003 | Chinese Science Bulletin2003，48，22： | 60 |
| 10 | SHRIMP zircon U-Pb age and Nd isotopic study on the Nyainqêntanglha Group in Tibet显示文摘The Nyainqêntanglha Group is traditionally viewed as the oldest metamorphic basement in the Lhasa block, but its formation age and tectonic setting remain debate. Zircons extracted from the metamorphic sequence of volcanics and intrusions of the Nyainqêntanglha Group, 10 km west of Nam Co in northern Lhasa block, have been investigated by cathodolu- minescence (CL), backscattered (BSE) and dated by ion microprobe (SHRIMP). We conclude that the U-Pb age of 787±9 Ma of zircons from the trondhjemite imposes a constraint on maxi- mum protolith age, and minimum formation age of the Nyainqêntanglha Group is constrained by U-Pb age of 748±8 Ma of zircons from the granite. The formation age of the Nyainqêntanglha Group is consistent with sedimentary age of Greater Himalayan rocks, showing that they devel- oped coevally in an arc-basin tectonic setting of Neoproterozoic active continental margin along the northern margin of the India shield. The inherited zircons from the tholetiite and granite give older 207Pb/206Pb ages from 947 to 1766 Ma. The positive εNd( t ) value indicates that the mafic rocks were derived from the depleted mantle, but contaminated by the older continental crustal material. Integrated Nd model age and U-Pb age data provide excellent evidence for the exis- tence of Mesoproterozoic basement in the Lhasa block during Neoproterozoic time. | HU Daogong1, WU Zhenhan1, JIANG Wan1, SHI Yuruo2, YE Peisheng1 & LIU Qisheng1 1. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China 2. Institute of Geology, Chinese Academy of Geological Sciences, Beijing SHRIMP Centre, Beijing 100037, China | 2005 | Science China Earth Sciences2005，48，9： | 49 |
| 11 | 急性心肌梗死尿激酶溶栓治疗开始时间对疗效的影响显示文摘目的:为探讨治疗在急性心肌梗死(AMI)发病后各不同时间开始用尿激酶(静脉法)对疗效的影响。方法:37所协作医院收治的AMI患者1138例按统一的治疗方案应用尿激酶,血管再通采用统一的临床间接指标标准判定。比较发病后不同时间开始用药患者的血管再通率和4周病死率。结果:发病后2小时内、2~4小时内、4~6小时内和6~12小时开始用尿激酶的患者分别为128例、461例、434例和115例。其血管再通率分别为71.9%、70.1%、63.6%和40.0%;4周病死率分别为7.0%、6.5%、12.2%和13.9%。发病后2小时内和2~4小时内组血管再通率与4周病死率均无统计学差异,故合并为4小时内组,与4~6小时内组和6~12小时组比较,血管再通率(70.5%)都显著高于后两组,P均<0.001;4周病死率(6.6%)都明显低于后两组,P均<0.01。4~6小时内组与6~12小时组比较:血管再通率前者显著高于后者,P<0.001;4周病死率无显著性差异。 | Collaborative Research Group of National“Eighth Five year”Project(85 915 02 01) (Fu Wai Hospital,CAMS and PUMC,Beijing 100037) | 1996 | 中国循环杂志1996，11，7： | 47 |
| 12 | 全国第二次冠心病介入性治疗病例注册登记资料分析显示文摘目的 分析 1997年和 1998年我国冠心病介入性治疗发展趋势。方法 采用填写统一发放的表格的方法 ,收集 1997、1998两年各医院冠心病介入性治疗病例资料 ,进行回顾性分析。结果共注册经皮冠状动脉腔内成形术 (PTCA)病例总数 872 5例 ,来自全国范围内 75所医院 ,总成功数 83 69例 (95 9% )。其中 1997年 3 74 0例 ,成功 3 5 5 3例 (95 0 % ) ;1998年 4 985例 ,成功 4 816例 (96 6% )。共扩张病变 10 2 18处 ,成功 965 0处 ,病变成功率为 94 4 %。急性心肌梗死 (AMI)急诊PTCA 10 4 5例 ,成功10 0 1例 (95 8% )。全组患者发生重要并发症 95 9例 (11 0 % ) ,包括死亡 3 2例 (0 3 7% )。冠状动脉支架置入术 63 2 9例 ,共置入支架 774 8只 ,其中左冠状动脉主干置入支架 86只 (占 1 1% )。置入成功7677只 (99 1% )。发生重要并发症 5 10例 (8 1% ) ,包括死亡 2 5例 (0 4 0 % )。全部患者服用噻氯匹啶 ,其中 13 8例 (1 8% )发生粒细胞减少症。另外 ,注册登记冠状动脉斑块旋磨术 93例 (94支血管 ) ,成功率为 93 6%。结论 1997年和 1998年我国冠心病介入治疗例数有大幅度增长 ,两年内完成病例数远远超过过去 12年积累病例总数 ,成功率较过去有增加趋势 ,但地区间及医院间发展仍很不平衡。 | Section of Interventional Cardiology, Chinese Society of Cardiology, Chinese Medical Association, et al. (Correspondent: GAO Runlin. Fu Wai Hospital, PUMC & CAMS, Beijing 100037, China) | 2000 | 中华心血管病杂志2000，28，1： | 50 |
| 13 | Petrogenesis and dating of the Kangding complex,Sichuan Province显示文摘An analysis of major and trace element geochemistry and SHRIMP U-Pb zircon dating of mafic, intermediate, and felsic rocks from the Mianning metamorphic complex of Si- chuan Province was conducted. One of our conclusions is that a majority of the zircons crystal- lized between 721 and 773 Ma in a magmatic regime. The complexes contain early to late Pa- leo-proterozoic relict zircons from ancient continental crust. The oldest age, 2468 Ma, may rep- resent the basement of the Yangtze block. Overgrowth zircon rims and palingenetic zircons have been observed and dated, and are believed to have formed after crystallization, during Paleozoic and Mesozoic metamorphic-anatexis. We also conclude that depletion of Nb, Ta, HREE, in a spider-diagram normalized to primitive mantle and calc-alkaline association, implies that they formed in island-arc or under-plating settings. | CHEN Yuelong 1 , LUO Zhaohua 1 , ZHAO Junxiang, LI Zhihong, ZHANG Hongfei & SONG Biao 3 1. Faculty of Earth Sciences and Natural Resources, China University of Geosciences, Beijing 100083, China 2. Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China 3. Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China | 2005 | Science China Earth Sciences2005，48，5： | 40 |
| 14 | Kinematics and dynamics of the Mesozoic orogeny and late-orogenic extensional collapse in the Sino-Mongolian border areas显示文摘The Sino-Mongolian border areas underwent two important tectonic events during Mesozoic time after late Paleozoic orogeny: a late Triassic to earlier Jurassic contractional event that resulted in a large-scale south-vergent thrust during the orogeny and a late Jurassic-earlier Cretaceous extensional event in a north-south direction that formed a metamorphic core complex. The kinematic and dynamic analyses show that the thrust sheet moved southwards with a kinematic vorticity number of ca. -0.10 and sub-horizontal maximum compressive stress axis that belongs to a contraction-thickening shear. The upper plate of the late-orogenic detachment relatively moved in a 165°direction. The average kinematic vorticity in its earlier stage was 0.74 that belongs to simple shear dominated shearing and related to the maximum compressive stress axes dipping at ~66°, while the later average kinematic vorticity was ~0.55°that belongs to pure shear dominated shearing with sub-vertical maximum compressive stress axes. This suggests that the thrusting led to the crust thickened and the lower plate rocks that were originally located in the upper crust depressed through a brittle-ductile transition zone into the lower crust and became warmer. The heated rocks trended to uplift since their increasing volume and decreasing density while the loading of the upper-plate rocks increased due to the structural thickening. Under the combined effect of the loading and the thermal-uplifting, the ductile shear zone in between increased in its component of vertical pure shear. Once its pure-shear component exceeded its simple-shear one the ductile shear zone became an extension-thinned shear zone. This progressive transitional process reflects internal and essential temporal and spatial relationships: the extensional factor nucleated during the crust thickening by thrusting and increase of the extensional factor finally led to late-orogenic collapse. | ZHENG Yadong 1 & WANG Tao2 1. Key Laboratory of Orogenic Belts and Crustal Evolution (Peking University), Ministry of Education, Beijing 100871, China 2. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China | 2005 | Science China Earth Sciences2005，48，7： | 38 |
| 15 | The crustal structure under Sanjiang and its dynamic implications:Revealed by seismic reflection/refraction profile between Zhefang and Binchuan,Yunnan显示文摘The fault belts in Sanjiang mainly include Jinshajiang-Honghe fault, Lancangjiang fault and Nujiang fault (called Sanjiang faults) in western Yunnan Province, China. By interpreting the wide-angle seismic reflection/refraction profile between Zhefang and Binchuan, which crosses Tengchong and Baoshan blocks in Dianxi (western Yunnan) tectonic zone, we recon- struct the crustal structure with seismic traveltime tomography for crustal P-wave velocity and the seismic scattering image for crustal seismic reflection structure. In this paper, we firstly present the crustal structure images of P-wave velocity and seismic reflection under the wide-angle seismic profile. These results demonstrate that, the crustal velocity structure and seismic reflec- tion structure along the profile can be divided into 3 segments, and there is an obvious difference of crustal structure among the eastern, the western and the middle segment. Generally, crustal P-wave velocities in the Baoshan segment are 0.1―0.2 km/s slower and seismic reflection am- plitudes from Moho discontinuity are stronger than the other 2 segments. In the studied area, crustal thickness is about 40 km, and shows the thickening tendency from west to east along the profile. Additionally, it can be seen that there is one strong-amplitude seismic reflection event as bright points at the depths of 8―10 km, along the segment of 80―115 km of the profile (south- ward of Tengchong); and seismic reflection wave-field from Moho discontinuity varies obviously along the lateral direction. Finally, we make some discussions on the crustal thickening pattern in the Sanjiang fault belt, structural environment of earthquake development and the contact rela- tionship between the Tengchong block, Banshan block and Luxi trough. | ZHANG Zhongjie1, BAI Zhiming1, WANG Chunyong2, TENG Jiwen1, Lü Qingtian3, LI Jiliang1, LIU Yifeng1 & LIU Zhenkuan4 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China 2. Institute of Geophysics, China Seismological Bureau, Beijing 100085, China 3. Institute of Deposition Resource, Chinese Academy of Geosciences, Beijing 100037, China 4. School of Exploration and Information, China University of Geosciences, Beijing 100083, China | 2005 | Science China Earth Sciences2005，48，9： | 39 |
| 16 | Ages and Compositions of the Precambrian High-grade Basement of the Qilian Terrane and Its Adjacent Areas显示文摘Based on geological, chronological, geochemical and Nd isotopicstudies of the high-grade basement of the Qilian terrane, the authors have drawn the following main conclusions: (1) the high-grade basement of the Qilian terrane consists mainly of meta-argillo-arenaceous rocks and granites and its bulk part was formed in the period of 0.8-1.0 Ga (the Jinningian period); (2) most of the meta-argillo-arenaceous rocks and granitic rocks have strong negative Eu and Ba anomalies (Eu/Eu*= 0.47-0.71 and Ba/Ba*= 0.16-0.64), with tDM and εNd (1.0 Ga) ranging from 1.87 to 2.26 Ga and from -8.54 to -4.06 respectively, showing relatively high maturity; and (3) the Jinningian granitic rocks are a typical product of continent-continent collision, being probably related to the formation of the supercontinent Rodinia. These studies, com bined with the study of high-grade basement rocks near the Qilian terrane, suggest that before the Jinningian period, the Qilian-Qaidam northern-margin terrane and Dunhuang-Alxa terrane were separated from each other, belonging to differ ent plate systems of the North China craton and Yangtze platform respectively. The Qilian orogenic belt was the same as or similar to the Qiling orogenic belt in terms of the geological evolution history at least before the Jinningian period. | WAN Yusheng, XU Zhiqin, YANG Jingsui and ZHANG Jianxin Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037 | 2001 | Acta Geologica Sinica(English Edition)2001，75，4： | 40 |
| 17 | ^(40)Ar-^(39)Ar dating and geological implication of auriferous altered rocks from the middle-deep section of Q875 gold-quartz vein in Xiaoqinling area, Henan,China显示文摘The 40Ar-39Ar age method is employed in this work to analyze the auriferous altered rocks from the middle-deep section of the Q875 gold-quartz vein in the Xiao-qinling area, and the results show that the main gold deposition of the Q875 occurred in ca. 128-126 Ma. As a typical gold-bearing quartz vein in this gold-rich area, the age data obtained from the Q875 also constrain on the metallogenic time of the lode gold deposits developed in the same geological settings. This geochronological study supplies new evidence for further understanding the timing of gold mineralization, the genesis of gold deposits and the geodynamic settings in Xiaoqinling area. | WANG Yitian, MAO Jingwen, LU Xinxiang & YE AnwangInstitute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China Institute of Geological Sciences, Henan Province, Zhengzhou 450053, China Lingbao Bureau of Geology and Mineral | 2002 | Chinese Science Bulletin2002，47，20： | 36 |
| 18 | The^(40)Ar/^(39)Ar age record of formation and uplift of the blueschists and eclogites in the western Tianshan Mountains显示文摘The 40Ar/39Ar ages indicate that the eclogite facies rocks of the Hasiate slice in the western Tianshan Mountains were formed at the early stage of Devonian (401 Ma) and had been uplifted to the greenschist facies tectonic level in the middle stage of Devonian (381 Ma). The formation and uplift of the blueschists of the Akesayi slice are constrained to the late stage of Devonian (370-364 Ma). The different tectonic slices in the high-pressure metamorphic belt have experienced the different uplift history. | GAO Jun, ZHANG Lifei & LIU Shengwei1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2. Department of Geology, Peking University, Beijing 100871, Chin | 2000 | Chinese Science Bulletin2000，45，11： | 35 |
| 19 | The fragment of Paleo-Tethys ophiolite from central Qiangtang, Tibet:Geochemical evidence of meta-basites in Guoganjianian显示文摘N-MORB-type metabasites are discovered in the Guoganjianian area, central Qiangtang, Tibet, which are mainly metagabbro with cumulate structure and metabasalt. The rocks are distributed nearly from west to east unconformably underlying the Wanghuling Group of upper Triassic. On the basis of geo- chemical analysis, we find that the content of SiO2 is 43.03%―53.42%, and TiO2 1%―2.67%, Al2O3 16.75%―21.52%, CaO 7.03%―11.13%, K2O 0.05%―0.38%; the REE pattern is slight depletion or flat, and the trace spider diagram is like that of N-MORB, so we consider that the metabasite was formed under the setting of mid-ocean ridge or adult back-arc basin, and it is the fragment of Paleo-Tethys ophiolite. | ZHAI QingGuo1,2, LI Cai2 & HUANG XiaoPeng2 1 Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2 College of Earth Sciences, Jilin University, Changchun 130061, China | 2007 | Science China Earth Sciences2007，50，9： | 32 |
| 20 | SHRIMP U-Pb dating and Hf isotopic analyses of Middle Ordovician meta-cumulate gabbro in central Qiangtang, northern Tibetan Plateau显示文摘Metabasites consisting of metamorphic ultra-mafic rocks, cumulate gabbro, gabbro (diabase), basalt, and plagiogranite are exposed at the Taoxinghu area in central Qiangtang, northern Tibetan Plateau. Zircon SHRIMP U-Pb dating for the cumulate gabbro yields a weighted mean age of 467±4 Ma, which is the oldest and most reliable magmatic age in this area. Zircon 176Hf/177Hf ratios range from 0.282615 to 0.282657, with εHf(t) values of 5.02±0.28, indicating that the cumulate gabbro was mainly derived from the depleted mantle. In addition, geochemical data of metabasites suggest that they have similar characteristics to those in the mid-ocean ridge basalts (MORB). The Taoxinghu metabasites may represent the fragment of Early Paleozoic ophiolite in the 'Central Uplift' of the Qiangtang, northern Tibetan Plateau. | ZHAI QingGuo1 WANG Jun1, LI Cai2 & SU Li3 1 Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2 College of Earth Sciences, Jilin University, Changchun 130061, China 3 The Geological Laboratory Center and State Key Laboratory of Geological Processes and Mineral Resources, China University of Geo- sciences, Beijing 100083, China | 2010 | Science China Earth Sciences2010，53，5： | 31 |
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