Academic literature on the topic 'Dabieshan'

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Journal articles on the topic "Dabieshan"

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Xia, Feng Yong, Ya Qiong Wang, and Xue Meng Jiang. "Analysis and Field Test about Operation Ventilation Effect of Dabieshan Highway Tunnel." Applied Mechanics and Materials 438-439 (October 2013): 1000–1003. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.1000.

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Twin tubes complementary ventilation technology was applied in Dabieshan highway tunnel for the first time in domestic. Based on test of the amount of carbon monoxide, smoke concentration and wind velocity, and analysis of the data, it is concluded that the twin tubes complementary ventilation technology is workable and reliable. In addition, the results provide the reference for the ventilation monitoring of Dabieshan tunnel and also for the technical guidance of ventilation mode in the later similar engineering design.
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Wang, Chunyong, Xiankang Zhang, Buyun Chen, Xuebo Chen, Songyan Song, Jinhan Zheng, Hongxiang Hu, and Hai Lou. "Crustal structure of Dabieshan orogenic belt." Science in China Series D: Earth Sciences 40, no. 5 (October 1997): 456–62. http://dx.doi.org/10.1007/bf02877609.

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Wang, Qingchen, and Bolin Cong. "UHP rocks and the Dabieshan Orogenic Belt." Geological Society, London, Special Publications 226, no. 1 (2004): 177–92. http://dx.doi.org/10.1144/gsl.sp.2004.226.01.10.

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Wang, Anan, Zheng Pang, Lin Liu, Qianwen Ma, Yize Han, Zhijie Guan, Hao Qin, and Guoyu Niu. "Detection and Phylogenetic Analysis of a Novel Tick-Borne Virus in Yunnan and Guizhou Provinces, Southwestern China." Pathogens 10, no. 9 (September 5, 2021): 1143. http://dx.doi.org/10.3390/pathogens10091143.

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Dabieshan tick virus (DTV) is a novel tick-borne virus with the potential to infect both animals and humans. It has been confirmed that DTV is widely distributed in Shandong and Zhejiang Provinces. In this study, a total of 389 ticks were sampled from Honghe city of Yunnan Province and Bijie city of Guizhou Province, and then divided into 148 pools according to the location and species. QRT-PCR and nested PCR were performed to confirm the presence of DTV. The results showed a minimum infection rate of 2.43% (5/206) in Yunnan Province and 3.28% (6/183) in Guizhou Province, respectively. Interestingly, DTV was identified in Rhipicephalusmicroplus for the first time besides Haemaphysalis longicornis. Phylogenetic analysis showed that DTV from Yunnan and Guizhou Provinces shared over 94% identity with isolates derived from Hubei and Shandong Provinces, and DTV was relatively conservative in evolutionary dynamics. These findings provide molecular evidence of Dabieshan tick virus in different species of ticks from unrecognized endemic regions and suggest that DTV may be widely prevalent in southwestern China.
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Qiu, H. N., and J. R. Wijbrans. "When did amphibolite-facies overprinting occur in Dabieshan?" Geochimica et Cosmochimica Acta 70, no. 18 (August 2006): A512. http://dx.doi.org/10.1016/j.gca.2006.06.941.

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LIU, KUN, SHOU-BIAO ZHOU, YAN-SONG CHEN, and XIN HONG. "Lysimachia dabieshanensis sp. nov. (Primulaceae), a new species from Dabieshan Mountain, China." Phytotaxa 174, no. 2 (July 9, 2014): 119. http://dx.doi.org/10.11646/phytotaxa.174.2.8.

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A new species of Primulaceae, Lysimachia dabieshanensis K. Liu & S.B. Zhou, is described and illustrated from Dabieshan mountain, Anhui, China. It is similar to L. melampyroides var. amplexicaulis and L. klattiana in leaf and flower shape, but can be distinguished by its taller plant, connate-perfoliate leaves at lower nodes of stem and branch, and obviously raised veins abaxially.
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Wang, Ying, Wen Ma, Shoubiao Zhou, and Kun Liu. "Lysimachia tianmaensis (Primulaceae), a new species from Anhui, China." PhytoKeys 98 (May 16, 2018): 117–24. http://dx.doi.org/10.3897/phytokeys.98.23751.

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A new species of Lysimachia (Primulaceae), Lysimachiatianmaensis K. Liu, S.B. Zhou & Ying Wang sp. nov., is described and illustrated from Jinzhai County, Anhui, China. It is endemic to Dabieshan Mountain, China. The new species has yellow flowers and belongs to the subgenus LysimachiasectionNummularia series Grammicae. It is very easily distinguishable from other related species by having alternate leaves with brown patches beneath and an auriculated leaf base.
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Mingguo, Zhai, Cong Bolin, Zhang Qi, and Wang Qingchen. "The Northern Dabieshan Terrain: A Possible Andean-Type Arc." International Geology Review 36, no. 9 (September 1994): 867–83. http://dx.doi.org/10.1080/00206819409465492.

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Carswell, D. A., R. N. Wilson, and M. Zhai. "Ultra-high pressure aluminous titanites in carbonate-bearing eclogites at Shuanghe in Dabieshan, central China." Mineralogical Magazine 60, no. 400 (June 1996): 461–71. http://dx.doi.org/10.1180/minmag.1996.060.400.07.

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AbstractPetrographic features and compositions of titanites in eclogites within the ultra-high pressure metamorphic terrane in central Dabieshan are documented and phase equilibria and thermobarometric implications discussed. Carbonate-bearing eclogite pods in marble at Shuanghe contain primary metamorphic aluminous titanites, with up to 39 mol.% Ca(Al,Fe3+)FSiO4 component. These titanites formed as part of a coesite-bearing eclogite assemblage and thus provide the first direct petrographic evidence that AlFTi−1O−1 substitution extends the stability of titanite, relative to rutile plus carbonate, to pressures within the coesite stability field. However, it is emphasised that A1 and F contents of such titanites do not provide a simple thermobarometric index of P—T conditions but are constrained by the activity of fluorine, relative to CO2, in metamorphic fluids — as signalled by observations of zoning features in these titanites.These ultra-high pressure titanites show unusual breakdown features developed under more H2O-rich amphibolite-facies conditions during exhumation of these rocks. In some samples aluminous titanites have been replaced by ilmenite plus amphibole symplectites, in others by symplectitic intergrowths of secondary, lower Al and F, titanite plus plagioclase. Most other coesite-bearing eclogite samples in the central Dabieshan terrane contain peak assemblage rutile often partly replaced by grain clusters of secondary titanites with customary low Al and F contents.
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Wu, Xiuling, Dawei Meng, Xiaoyu Fan, Xin Meng, Jianping Zheng, and Roger Mason. "Defect microstructures in garnet, omphacite and symplectite from UHP eclogites, eastern Dabieshan, China: a TEM and FTIR study." Mineralogical Magazine 72, no. 5 (October 2008): 1057–69. http://dx.doi.org/10.1180/minmag.2008.072.5.1057.

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AbstractGarnets, omphacite and the minerals of a clinopyroxene/amphibole/plagioclase symplectite in UHP eclogites from Yingshan, Dabieshan have been investigated by TEM and Micro-FTIR. TEM reveals that the predominant microstructures in eclogites and symplectite-forming minerals are chain multiplicity faults (CMFs), dislocation substructures, clusters of water molecules up to ∼50 nm in diameter and recrystallized grains ∼1.75 μm in diameter. This indicates dynamic recrystallization of omphacite, probably during an eclogite-facies metamorphic episode. The deformation structures in symplectite-forming minerals were produced by plastic deformation related to an amphibolite-facies retrograde metamorphic event. CMFs described in the present work demonstrate the existence of an infrequent ½<011> (010) slip system for P2/n omphacite from an UHP eclogite sample from Dabieshan. The frequent occurrence of CMFs in omphacite suggests that they indicate an important deformation mechanism in omphacite and shows that this slip system plays a significant role in the deformation and recovery of eclogite. The hydrous components of deformed minerals may cause plastic deformation of the rocks by dislocation movement and accelerate retrograde metamorphism. Micro-FTIR results show that all the garnets and omphacites contain structural water occurring as hydroxyl groups (OH) or water (H2O). The structural water contents in omphacite range from 110—710 ppm and in garnet from 0—180 ppm. Water released during decompression might supply an early-stage retrograde metamorphic fluid.
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Dissertations / Theses on the topic "Dabieshan"

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Chavagnac, Valérie. "Behaviour of the Sm-Nd isotopic system during metamorphism : examples from HT-LP metamorphic terrane of the Limpopo Belt, South Africa and the UHP metamorphic terrane of Dabieshan, Central China." Rennes 1, 1998. http://www.theses.fr/1998REN10101.

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Les objectifs de cette these sont (1) de determiner si les ages modeles en nd obtenus sur des terrains proterozoiques migmatises correspondent reellement a l'age d'extraction du magma de sa source mantellique (exemple du limpopo belt en afrique du sud) et (2) de comparer les ages sm-nd sur grenat et les ages u-pb sur zircon determines sur des eclogites (exemple du dabieshan en chine centrale). La zone centrale du limpopo belt est constituee principalement d'orthogneiss et de paragneiss. Elle a subi un metamorphisme granulitique a 2. 0 ga (trajectoire pression et temperature dans le sens horaire). Nous avons effectue des analyses isotopiques en sm-nd et u-pb combinees aux analyses en elements majeurs et traces sur trois exemples de migmatites formees a 2. 0 ga afin d'etudier le fractionnement chimique et isotopique qui pourrait avoir lieu au cours de la migmatisation. La fusion partielle selon la reaction de deshydratation de la biotite met en exergue des comportements differents du systeme isotopique sm-nd dans les metagrauwackes et dans les metapelites.
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Chavagnac, Valérie. "Behaviour of the Sm-Nd isotopie system during metamorphism : Examples from the HT-LP metamorphic terrane of the Limpopo Belt, South Africa and the UHP metamorphic terrane of Dabieshan, Central China." Phd thesis, Université Rennes 1, 1998. http://tel.archives-ouvertes.fr/tel-00620022.

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Les buts de cette thèse sont (1) de déterminer si les âges modèles en Nd obtenus sur des terrains protérozoïques migmatisés correspondent réellement à l'âge d'extraction du magma de sa source mantellique (exemple du Limpopo Belt en Afrique du Sud) et (2) de comparer les âges Sm-Nd sur grenat et les âges U-Pb sur zircon déterminés sur des éclogites (exemple du Dabieshan en Chine Centrale). La Zone Centrale du Limpopo Belt est constituée principalement d'orthogneiss et de paragneiss. Elle a subi un métamorphisme granulitique suivi par des conditions métamorphiques de décompression à 2.0 Ga (trajectoire pression et température dans le sens horaire). Nous avons effectué des analyses isotopiques en Sm-Nd et U-Pb combinées aux analyses en éléments majeurs et traces sur trois examples de migmatites formées à 2.0 Ga afin d'étudier le fractionnement chimique et isotopique qui pourrait avoir lieu au cours de la migmatisation. La fusion partielle selon la réaction de déhydratation de la biotite met en exergue des comportements différents du système isotopique Sm-Nd dans les métagreywackes et dans les métapélites. Dans le premier cas, l'équilibre chimique et l'homogénéisation isotopique en Nd n'ont pas été achevés à cause de la fusion incongruente du plagioclase et de l'influence des minéraux accessoires sur la composition chimique des liquides. Il est démontré que la monazite est préférentiellement entraînée dans les leucosomes plutôt que l'apatite, provoquant ainsi la domination de la composition chimique de la monazite sur celles des liquides. De plus, la composition isotopique en Nd non-radiogénique de ce minéral accessoire domine celle du leucosome. Ainsi, les âges modèles en Nd des leucosomes sont jusqu'à 400 Ma plus vieux que ceux obtenus sur les paléosomes. Les âges modèles en Nd obtenus sur ces roches ne peuvent donc pas être uti lisés comme âge de formation de la croûte continentale en Afrique du Sud. Dans le cas des métapelites, la fusion incongruente du plagioclase a influencé la distribution des éléments majeurs, des Larges Ion Lithophi le Element ainsi que des Rare Earth Efement entre les paléosomes et les leucosomes. L'échange isotopique -en Nd entre les différents composants migmatitiques a été pratiquement atteint, au contraire des isotopes du Pb qui ne montrent qu'une homogénéisation partielle. Cependant, deux leucosomes à grenat présentent des compositions isotopiques en Sm-Nd et U-Pb supérieures aux autres composants migmatitiques. Ceci suggère qu'en règle générale les minéraux accessoires ont été chimiquement et isotopiquement équilibrés avec les leucosomes et les paléosomes. De ce fait, les âges modèles en Nd calculés sur les paléosomes et les leucosomes représentent des âges significatifs pour la formation de la croûte continentale dans la Zone Centrale du Limpopo Belt. Le dernier exemple est un orthogneiss migmatitique qui s'est formé par ségrégation métamorphique à des conditions subsolidus. La distribution des éléments majeurs et traces est directement proportionnelle à la quantité de chaque minéraux formant les composants migmatitiques. L'échange __ _ ___ _ isotopique en Pb a été achevé comme le montre l'isochrone en Pb-Pb sur les roches -:_~~ totales à 2.0 Ga. De plus, les caractéristiques géochimiques associées à une modélisation de la distribution des REE indiquent que le système est resté clos à - -----l'échelle de la roche totale durant le processus de migmatisation .. Ainsi, la composition isotopique en Nd du protolithe a pu être déterminée grâce à l'équation de conservation de masse et peut être utilisée pour défini~ l'âge de la formation de la croûte continentale. Le terrain Métamorphique de Ultra-Haute Pression (UHPM) du Dabieshan ______ est caractérisé par la présence de coésite et de quartz pseudomorphe dans les éclogites de composition basaltique mais aussi dans les roches d'origine sédimentaire. Les Isochrones en Sm-Nd sur grenat-omphacite-roche totale des éclogites à coésite du Massif de Bixiling donnent des âges variant entre 210 ± 9 Ma et 218 ± 4 Ma, très similaires aux âges U-Pb sur zircon à 218.4 ± 1.8 Ma et 218.4 ± 2.5 Ma (Ames et al., 1995). De plus, une isochrone Sm-Nd sur grenat-disthène-roche totale d'une éclogite rétromorphosée donne un âge à 231 ± 35 Ma en accord avec un âge à 233 ± 21 Ma (intercepte bas dans le diagramme concordia). Nous avons (:lffectué des datations par les méthodes Rb-Sr et Ar-Ar sur des phengites et des biotites de l'encaissant des éclogites à coésite de Bixiling. Les âges varient entre 198 ± 4 Ma et 212 ± 2 Ma recouvrant les âges précedemment obtenus par Sm-Nd sur les éclogites à coésite. Par conséquent, les âges Sm-Nd sur grenat sont en accord avec les âges U-Pb sur zircon et montrent que les gneiss quartzo-feldspathiques ont subi un événement métamorphique à -210 Ma comme les éclogites. L'homogénéisation isotopique en Nd entre les différents minéraux semblent être atteinte à l'âge du métamorphisme.
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Chavagnac, Valérie. "Behaviour of the Sm-Nd isotopic system during metamorphism : examples from the HT-LP metamorphic terrane of the Limpopo Belt, South Africa and the UHP metamorphic terrane of Dabieshan, Central China /." Rennes : Géosciences, Université de Rennes I, 1999. http://catalogue.bnf.fr/ark:/12148/cb370399598.

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Albrecht, Nina [Verfasser], Gerhard [Akademischer Betreuer] [Gutachter] Wörner, and Andreas [Gutachter] Pack. "Metamorphic fluids at extreme pressure conditions and their significance for element transfer in subduction zones : A multidisciplinary study on metamorphic veins in UHP/HP eclogites from Dabieshan, China / Nina Albrecht ; Gutachter: Gerhard Wörner, Andreas Pack ; Betreuer: Gerhard Wörner." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://d-nb.info/1132717515/34.

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Albrecht, Nina. "Metamorphic fluids at extreme pressure conditions and their significance for element transfer in subduction zones." Doctoral thesis, 2017. http://hdl.handle.net/11858/00-1735-0000-0023-3E42-C.

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Books on the topic "Dabieshan"

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Henan Dabieshan Ziran Baohuqu ke xue kao cha ji: Scientific survey of Henan Dabieshan nature reserve. Beijing: Ke xue chu ban she, 2012.

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Wagner, Donald B. Dabieshan: Traditional Chinese iron-production techniques practised in southern Henan in the twentieth century. London: Curzon, 1985.

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Dabieshan: Traditional Chinese iron-production techniques practised in southern Henan in the twentieth century. London: Curzon Press, 1985.

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Dabieshan kou de mei li jia yuan: Beautiful homeland at the pass of Dabie mountains. Beijing Shi: She hui ke xue wen xian chu ban she, 2008.

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Shan cun jing ji: Dabie shan lu nong min jiu ye yu zeng shou = Shancun jingji : Dabieshanlu nongmin jiuye yu zengshou. Beijing: Zhonguo she hui ke xue chu ban she, 2007.

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Li, Xianzi. Qinling--Dabieshan hua gang yan. Xin hua shu dian zong dian ke ji fa xing suo jing xiao, 1993.

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Wagner. Dabieshan (Nordic Institute of Asian Studies). RoutledgeCurzon, 1995.

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Po-lin, Tsʻung, ed. Ultrahigh-pressure metamorphic rocks in the Dabieshan-Sulu region of China. Beijing: Science Press, 1996.

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Ultrahigh-Pressure Metamorphic Rocks in the Dabieshan-Sulu Region of China (Petrology and Structural Geology). Springer, 1997.

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Book chapters on the topic "Dabieshan"

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"Dabieshan (Huanggang) National Geopark, Hubei." In Dictionary of Geotourism, 113. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2538-0_451.

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"Mount Dabieshan (Liu’an) National Geopark, Anhui." In Dictionary of Geotourism, 408. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2538-0_1619.

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Han, Y., X. Wu, D. Meng, J. Sun, J. Zheng, L. Huang, B. Xie, and X. Fan. "Characteristics of fine fluid inclusions in quartz and symplectitic minerals from UHP jadeite quartzite, Dabieshan China." In Water-Rock Interaction. Taylor & Francis, 2007. http://dx.doi.org/10.1201/noe0415451369.ch18.

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