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Article: Hydrogen and oxygen isotope studies of metamorphic fluid-rock interactions in the Dabie Mountains
Title | Hydrogen and oxygen isotope studies of metamorphic fluid-rock interactions in the Dabie Mountains |
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Authors | |
Keywords | Eclogites Fluid-Rock Interactions Hydrogen Isotopes Oxygen Isotopes The Dabie Mountains Uhp Metamorphism |
Issue Date | 1999 |
Publisher | 中國科學院. The Journal's web site is located at http://jdxg.chinajournal.net.cn/ |
Citation | Science In China, Series D: Earth Sciences, 1999, v. 42 n. 1, p. 61-71 How to Cite? |
Abstract | Hydrogen and oxygen isotope studies were carried out on mineral separates from high to ultrahigh pressure metamorphic rocks at Huangzhen and Shuanghe in the eastern Dabie Mountains, East China. The δ 18O values of eclogites cover a wide range of -5‰ to +9‰, but the δD values of micas fall within a narrow range of -85‰ to -70‰. Both equilibrium and disequilibrium oxygen isotope fractionations were observed between quartz and the other minerals, with reversed fractionations between omphacite and garnet in some eclogite samples. The δ 18O values of -5‰ to -1‰ for some of the eclogites represent the oxygen isotope compositions of their protoliths which underwent meteoric water-rock interaction prior to plate subduction. The preservation of oxygen isotope heterogeneity in the eclogites implies a channelized flow of fluids during progressive metamorphism caused by rapid subduction. Retrograde metamorphism has caused oxygen and hydrogen isotope disequilibria between some of the minerals, but the fluid for retrograde reactions was internally buffered in the stable isotope compositions. |
Persistent Identifier | http://hdl.handle.net/10722/151015 |
ISSN | 2011 Impact Factor: 1.588 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Fu, B | en_US |
dc.contributor.author | Zheng, Y | en_US |
dc.contributor.author | Li, Y | en_US |
dc.contributor.author | Xiao, Y | en_US |
dc.contributor.author | Gong, B | en_US |
dc.date.accessioned | 2012-06-26T06:15:51Z | - |
dc.date.available | 2012-06-26T06:15:51Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | Science In China, Series D: Earth Sciences, 1999, v. 42 n. 1, p. 61-71 | en_US |
dc.identifier.issn | 1006-9313 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/151015 | - |
dc.description.abstract | Hydrogen and oxygen isotope studies were carried out on mineral separates from high to ultrahigh pressure metamorphic rocks at Huangzhen and Shuanghe in the eastern Dabie Mountains, East China. The δ 18O values of eclogites cover a wide range of -5‰ to +9‰, but the δD values of micas fall within a narrow range of -85‰ to -70‰. Both equilibrium and disequilibrium oxygen isotope fractionations were observed between quartz and the other minerals, with reversed fractionations between omphacite and garnet in some eclogite samples. The δ 18O values of -5‰ to -1‰ for some of the eclogites represent the oxygen isotope compositions of their protoliths which underwent meteoric water-rock interaction prior to plate subduction. The preservation of oxygen isotope heterogeneity in the eclogites implies a channelized flow of fluids during progressive metamorphism caused by rapid subduction. Retrograde metamorphism has caused oxygen and hydrogen isotope disequilibria between some of the minerals, but the fluid for retrograde reactions was internally buffered in the stable isotope compositions. | en_US |
dc.language | eng | en_US |
dc.publisher | 中國科學院. The Journal's web site is located at http://jdxg.chinajournal.net.cn/ | zh_HK |
dc.relation.ispartof | Science in China, Series D: Earth Sciences | en_US |
dc.subject | Eclogites | en_US |
dc.subject | Fluid-Rock Interactions | en_US |
dc.subject | Hydrogen Isotopes | en_US |
dc.subject | Oxygen Isotopes | en_US |
dc.subject | The Dabie Mountains | en_US |
dc.subject | Uhp Metamorphism | en_US |
dc.title | Hydrogen and oxygen isotope studies of metamorphic fluid-rock interactions in the Dabie Mountains | en_US |
dc.type | Article | en_US |
dc.identifier.email | Li, Y:yiliang@hkucc.hku.hk | en_US |
dc.identifier.authority | Li, Y=rp01354 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0033018338 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0033018338&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 42 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 61 | en_US |
dc.identifier.epage | 71 | en_US |
dc.identifier.isi | WOS:000078527700008 | - |
dc.publisher.place | China | en_US |
dc.identifier.scopusauthorid | Fu, B=35960736900 | en_US |
dc.identifier.scopusauthorid | Zheng, Y=7404838286 | en_US |
dc.identifier.scopusauthorid | Li, Y=27171876700 | en_US |
dc.identifier.scopusauthorid | Xiao, Y=7403260575 | en_US |
dc.identifier.scopusauthorid | Gong, B=7102144191 | en_US |
dc.identifier.issnl | 1006-9313 | - |