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Article: Geochemical Studies of Eclogites and from Sujiahe in the Western Dable Mountains

TitleGeochemical Studies of Eclogites and from Sujiahe in the Western Dable Mountains
Authors
KeywordsEclogites
Geochemistry
Isotopes
Marbles
Sujiahe
Western Dabie Mountains
Issue Date1998
Citation
Acta Geologica Sinica, 1998, v. 72 n. 4, p. 336-339 How to Cite?
AbstractThe isotope compositions of hydrogen, oxygen, strontium and neodymium and the compositions of rare earth elements (REE) were measured on and/or whole-rocks from Xiongdian and Yangchong eclogites and Hujiawan garnet amphibolite in the Sujiahe district, the Mountains. δ 18O values of whole-rocks for the Xiongdian eclogites and Hujiawan garnet amphibolite are as high as +8.8 % to +11.2%, those for the Yangehong eclogite are as low as +4.3% The whole-rock δD from -55% to -75%. These results indicate the oxygen and hydrogen with seawater under both high and low temperatures. The Sr and Nd isotope compositions as well as REE distribution show that the Sujiahe eclogites resemble island arc basalts and thus were probably originated from subducted ancient oceanic crust between the Yangtze and Sino-Korean plates, Marbles occur as the country rocks of the eclogites in Sujiahe have lower δ 13C values (-2.6%- + 0.1%) than those from the eastern Dable Mountains (+ 0.5%-+5.7%). This indicates a difference in sedimentary environment between these marble protoliths (i.e. limestones), maybe due to a difference in their diagenetic ages. δ 18C values of from Xiongdian are as low as +2.% - +2.2%, suggesting a water-rock interaction with a low δ 18C fluid (probably ancient water) during and/or prograde metamorphism.
Persistent Identifierhttp://hdl.handle.net/10722/151123
ISSN
2015 SCImago Journal Rankings: 0.552
References

 

DC FieldValueLanguage
dc.contributor.authorFu, Ben_US
dc.contributor.authorZheng, Yen_US
dc.contributor.authorXiao, Yen_US
dc.contributor.authorLi, Yen_US
dc.contributor.authorGong, Ben_US
dc.contributor.authorLi, Sen_US
dc.contributor.authorSun, Wen_US
dc.contributor.authorZhang, Sen_US
dc.contributor.authorZhang, Zen_US
dc.date.accessioned2012-06-26T06:17:23Z-
dc.date.available2012-06-26T06:17:23Z-
dc.date.issued1998en_US
dc.identifier.citationActa Geologica Sinica, 1998, v. 72 n. 4, p. 336-339en_US
dc.identifier.issn0001-5717en_US
dc.identifier.urihttp://hdl.handle.net/10722/151123-
dc.description.abstractThe isotope compositions of hydrogen, oxygen, strontium and neodymium and the compositions of rare earth elements (REE) were measured on and/or whole-rocks from Xiongdian and Yangchong eclogites and Hujiawan garnet amphibolite in the Sujiahe district, the Mountains. δ 18O values of whole-rocks for the Xiongdian eclogites and Hujiawan garnet amphibolite are as high as +8.8 % to +11.2%, those for the Yangehong eclogite are as low as +4.3% The whole-rock δD from -55% to -75%. These results indicate the oxygen and hydrogen with seawater under both high and low temperatures. The Sr and Nd isotope compositions as well as REE distribution show that the Sujiahe eclogites resemble island arc basalts and thus were probably originated from subducted ancient oceanic crust between the Yangtze and Sino-Korean plates, Marbles occur as the country rocks of the eclogites in Sujiahe have lower δ 13C values (-2.6%- + 0.1%) than those from the eastern Dable Mountains (+ 0.5%-+5.7%). This indicates a difference in sedimentary environment between these marble protoliths (i.e. limestones), maybe due to a difference in their diagenetic ages. δ 18C values of from Xiongdian are as low as +2.% - +2.2%, suggesting a water-rock interaction with a low δ 18C fluid (probably ancient water) during and/or prograde metamorphism.en_US
dc.languageengen_US
dc.relation.ispartofActa Geologica Sinicaen_US
dc.subjectEclogitesen_US
dc.subjectGeochemistryen_US
dc.subjectIsotopesen_US
dc.subjectMarblesen_US
dc.subjectSujiaheen_US
dc.subjectWestern Dabie Mountainsen_US
dc.titleGeochemical Studies of Eclogites and from Sujiahe in the Western Dable Mountainsen_US
dc.typeArticleen_US
dc.identifier.emailLi, Y:yiliang@hkucc.hku.hken_US
dc.identifier.authorityLi, Y=rp01354en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0348229255en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0348229255&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume72en_US
dc.identifier.issue4en_US
dc.identifier.spage336en_US
dc.identifier.epage339en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridFu, B=35960736900en_US
dc.identifier.scopusauthoridZheng, Y=7404838286en_US
dc.identifier.scopusauthoridXiao, Y=7403260575en_US
dc.identifier.scopusauthoridLi, Y=27171876700en_US
dc.identifier.scopusauthoridGong, B=7102144191en_US
dc.identifier.scopusauthoridLi, S=23983105000en_US
dc.identifier.scopusauthoridSun, W=7404011201en_US
dc.identifier.scopusauthoridZhang, S=7409376397en_US
dc.identifier.scopusauthoridZhang, Z=15040154100en_US

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