Mineral inclusions in zircon from gneisses in the ultrahigh-pressure zone of the Dabie mountains, China

J. Liu, K. Ye, S. Maruyama, B. Cong, H. Fan

Research output: Contribution to journalArticle

172 Citations (Scopus)

Abstract

Mineral inclusions in zircon from gneisses in the ultrahigh-pressure (UHP) zone of the Dabie Mountains, China, are studied by using laser Raman spectrophotometry. We identified numerous mineral inclusions including coesite, quartz, clinopyroxene, phengite, barite, anhydrite, and feldspar. Coesite is found to occur as zircon-hosted inclusions in all types of gneisses, indicating that these gneisses had shared the ultrahigh-pressure metamorphic history with the UHP eclogite blocks that reside in them. The occurrence of barite and anhydrite probably implies the existence of SO4 -2-bearing fluids during the UHP metamorphic stage. We also found no simple ways to correlate growth zones of zircon as shown by cathodoluminescence images with metamorphic conditions determined from inclusion in any specific zircon grains. Of particular interest is the discovery of coesite included in zircons from gneiss of the "cold" eclogite zone that was previously considered to have not experienced UHP conditions.

Original languageEnglish
Pages (from-to)523-535
Number of pages13
JournalJournal of Geology
Volume109
Issue number4
DOIs
Publication statusPublished - 2001
Externally publishedYes

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zircon
coesite
mountain
mineral
barite
anhydrite
eclogite
phengite
cathodoluminescence
spectrophotometry
gneiss
clinopyroxene
feldspar
laser
quartz
fluid
history

ASJC Scopus subject areas

  • Geology

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Mineral inclusions in zircon from gneisses in the ultrahigh-pressure zone of the Dabie mountains, China. / Liu, J.; Ye, K.; Maruyama, S.; Cong, B.; Fan, H.

In: Journal of Geology, Vol. 109, No. 4, 2001, p. 523-535.

Research output: Contribution to journalArticle

Liu, J. ; Ye, K. ; Maruyama, S. ; Cong, B. ; Fan, H. / Mineral inclusions in zircon from gneisses in the ultrahigh-pressure zone of the Dabie mountains, China. In: Journal of Geology. 2001 ; Vol. 109, No. 4. pp. 523-535.
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