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Article: The epithermal deposits in the northern margin of north China Craton: Spatiotemporal distribution and tectonic setting

TitleThe epithermal deposits in the northern margin of north China Craton: Spatiotemporal distribution and tectonic setting
Authors
KeywordsAu/Ag Deposit
Epithermal System
Northern Margin Of North China Craton
Tectonic Setting
Transition From Compression To Extension
Issue Date2004
Citation
Kuangwu Yanshi, 2004, v. 24 n. 3, p. 82-92 How to Cite?
AbstractThis paper summarizes the geological-geochemical characteristics of the E-W trending epithermal Au/Ag deposits in the northern margin of North China craton. The epithermal Au/Ag deposits distribute in the Liao-Ji block, Yanshan orogen and the northern end of the Taihang Mountains, in the Mesozoic volcanic basin which was superimposed onto the cratonic basement. Occurrences of the deposits are controlled by faults and/or volcanic craters. Most of the isotope ages for ores and related igneous rocks fall in a span of 170 Ma-100 Ma. The ore-forming fluid-systems were dominated by meteoric water, with input of magmatic fluid, as traced by D-O isotope systematics. Ore metals, indicated by S-Pb isotopes, were mainly sourced from Precambrian basement and contaminated by cover-strata of the craton. Consequently, it is argued that the metallogenic belt along the northern margin of the North China craton was resulted from the Siberia-North China continental collision, instead of from the subduction of the Paleo-Asian, Pacific and Mongol-Okhotsk oceanic plates. The metallogenic magma-fluid systems were originated from intracontinental (A-type) subduction during continental collision. The large-scale granitic magmatism and metallogenesis occurred at transition regime from collisional compression, to extension.
Persistent Identifierhttp://hdl.handle.net/10722/92326
ISSN
2015 SCImago Journal Rankings: 0.169
References

 

DC FieldValueLanguage
dc.contributor.authorQi, J-Pen_HK
dc.contributor.authorChen, Y-Jen_HK
dc.contributor.authorLi, Q-Zen_HK
dc.date.accessioned2010-09-17T10:42:44Z-
dc.date.available2010-09-17T10:42:44Z-
dc.date.issued2004en_HK
dc.identifier.citationKuangwu Yanshi, 2004, v. 24 n. 3, p. 82-92en_HK
dc.identifier.issn1001-6872en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92326-
dc.description.abstractThis paper summarizes the geological-geochemical characteristics of the E-W trending epithermal Au/Ag deposits in the northern margin of North China craton. The epithermal Au/Ag deposits distribute in the Liao-Ji block, Yanshan orogen and the northern end of the Taihang Mountains, in the Mesozoic volcanic basin which was superimposed onto the cratonic basement. Occurrences of the deposits are controlled by faults and/or volcanic craters. Most of the isotope ages for ores and related igneous rocks fall in a span of 170 Ma-100 Ma. The ore-forming fluid-systems were dominated by meteoric water, with input of magmatic fluid, as traced by D-O isotope systematics. Ore metals, indicated by S-Pb isotopes, were mainly sourced from Precambrian basement and contaminated by cover-strata of the craton. Consequently, it is argued that the metallogenic belt along the northern margin of the North China craton was resulted from the Siberia-North China continental collision, instead of from the subduction of the Paleo-Asian, Pacific and Mongol-Okhotsk oceanic plates. The metallogenic magma-fluid systems were originated from intracontinental (A-type) subduction during continental collision. The large-scale granitic magmatism and metallogenesis occurred at transition regime from collisional compression, to extension.en_HK
dc.languageengen_HK
dc.relation.ispartofKuangwu Yanshien_HK
dc.subjectAu/Ag Depositen_HK
dc.subjectEpithermal Systemen_HK
dc.subjectNorthern Margin Of North China Cratonen_HK
dc.subjectTectonic Settingen_HK
dc.subjectTransition From Compression To Extensionen_HK
dc.titleThe epithermal deposits in the northern margin of north China Craton: Spatiotemporal distribution and tectonic settingen_HK
dc.typeArticleen_HK
dc.identifier.emailChen, Y:ychenc@hkucc.hku.hken_HK
dc.identifier.authorityChen, Y=rp1318en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-10644263580en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-10644263580&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume24en_HK
dc.identifier.issue3en_HK
dc.identifier.spage82en_HK
dc.identifier.epage92en_HK

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