Postcollisional flow of aqueous fluid within ultrahigh-pressure eclogite in the Dabie orogen

2006 ◽  
Vol 89 (1-3) ◽  
pp. 115-118 ◽  
Author(s):  
Tian-Shan Gao ◽  
Song-Shan Wang ◽  
Bing Gong ◽  
Yuan-Bao Wu ◽  
Yong-Fei Zheng
Keyword(s):  
Aqueous Fluid ◽  
Ultrahigh Pressure ◽  
Dabie Orogen

Two-Stage Exhumation of Ultrahigh-Pressure Metamorphic Rocks from the Western Dabie Orogen, Central China

2011 ◽  
Vol 119 (1) ◽  
pp. 15-31 ◽  
Author(s):  
Yuanbao Wu ◽  
Shan Gao ◽  
Xiaochi Liu ◽  
Jing Wang ◽  
Min Peng ◽  
...  
Keyword(s):  
Central China ◽  
Ultrahigh Pressure ◽  
Metamorphic Rocks ◽  
Two Stage ◽  
Dabie Orogen

Zircon U-Pb age and Hf isotope composition of a quartz vein in ultrahigh-pressure eclogite from the western Dabie orogen

2009 ◽  
Vol 54 (10) ◽  
pp. 1449-1454 ◽  
Author(s):  
HuJun GONG ◽  
SaiHong YANG ◽  
Min PENG ◽  
XiaoChi LIU ◽  
WenFang JIAO ◽  
...  
Keyword(s):  
Quartz Vein ◽  
Isotope Composition ◽  
Hf Isotope ◽  
Ultrahigh Pressure ◽  
Dabie Orogen

Growth of metamorphic and peritectic garnets in ultrahigh-pressure metagranite during continental subduction and exhumation in the Dabie orogen

Lithos ◽  
2016 ◽  
Vol 266-267 ◽  
pp. 158-181 ◽  
Author(s):  
Qiong-Xia Xia ◽  
Hao-Zheng Wang ◽  
Li-Gang Zhou ◽  
Xiao-Ying Gao ◽  
Yong-Fei Zheng ◽  
...  
Keyword(s):  
Ultrahigh Pressure ◽  
Dabie Orogen ◽  
Continental Subduction

Ultrahigh-pressure eclogite transformed from mafic granulite in the Dabie orogen, east-central China

2007 ◽  
Vol 25 (9) ◽  
pp. 975-989 ◽  
Author(s):  
Y.-C. LIU ◽  
S.-G. LI ◽  
X.-F. GU ◽  
S.-T. XU ◽  
G.-B. CHEN
Keyword(s):  
Central China ◽  
Mafic Granulite ◽  
Ultrahigh Pressure ◽  
Dabie Orogen ◽  
East Central

scholarly journals Gradual and selective trace-element enrichment in slab-released fluids at sub-arc depths

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Simona Ferrando ◽  
Maurizio Petrelli ◽  
Maria Luce Frezzotti
Keyword(s):  
Trace Element ◽  
Aqueous Fluid ◽  
Major And Trace Elements ◽  
Ultrahigh Pressure ◽  
Silicate Melts ◽  
Convergent Margins ◽  
Hydrous Silicate ◽  
Dehydration Reactions ◽  
Element Enrichment ◽  
Trace Element Enrichment

Abstract The geochemical signature of magmas generated at convergent margins greatly depends on the nature of fluids and melts released during subduction. While major- and trace-elements transport capacity of ultrahigh pressure (UHP) hydrous-silicate melts has been investigated, little is known about solute enrichment and fractionation in UHP (>3.5–4 GPa) solute-rich aqueous fluids released along colder geothermal gradients. Here, we performed in situ LA-ICP-MS trace-element analyses on selected UHP prograde-to-peak fluid inclusions trapped in a kyanite-bearing quartzite from Sulu (China). The alkali-aluminosilicate-rich aqueous fluid released from the meta-sediments by dehydration reactions is enriched in LILE, U, Th, Sr, and REE. Inclusions trapped at increasing temperature (and pressure) preserve a gradual and selective trace-element enrichment resulting from the progressive dissolution of phengite and carbonate and the partial dissolution of allanite/monazite. We show that, at the investigated P-T conditions, aqueous fluids generated by dissolution of volatile-bearing minerals fractionate trace-element distinctly from hydrous-silicate melts, regardless of the source lithology. The orogenic/post-orogenic magmas generated in a mantle enriched by metasomatic processes involving either solute-rich aqueous fluids or hydrous-silicate melts released by the slab at UHP conditions can preserve evidence of the nature of these agents.

Zircon geochemistry records the action of metamorphic fluid on the formation of ultrahigh-pressure jadeite quartzite in the Dabie orogen

2015 ◽  
Vol 419 ◽  
pp. 158-175 ◽  
Author(s):  
Xiao-Ying Gao ◽  
Yong-Fei Zheng ◽  
Yi-Xiang Chen ◽  
Hao-Lan Tang ◽  
Wan-Cai Li
Keyword(s):  
Ultrahigh Pressure ◽  
Metamorphic Fluid ◽  
Dabie Orogen

Zircon U–Pb age, Hf and O isotope constraints on protolith origin of ultrahigh-pressure eclogite and gneiss in the Dabie orogen

2006 ◽  
Vol 231 (1-2) ◽  
pp. 135-158 ◽  
Author(s):  
Yong-Fei Zheng ◽  
Zi-Fu Zhao ◽  
Yuan-Bao Wu ◽  
Shao-Bing Zhang ◽  
Xiaoming Liu ◽  
...  
Keyword(s):  
Ultrahigh Pressure ◽  
Dabie Orogen ◽  
O Isotope
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