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Геодинамика и тектонофизика

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LITHIUM ISOTOPIC CONSTRAINTS ON THE ORIGIN OF I- AND A-TYPE GRANITES FROM EAST JUNGGAR (NW CHINA) OF THE CENTRAL ASIAN OROGENIC BELT: IMPLICATIONS FOR LI ISOTOPIC FRACTIONATION DURING CRUSTAL ANATEXIS

https://doi.org/10.5800/GT-2017-8-3-0253

Полный текст:

Аннотация

Though Li isotope fractionation during mantle melting and differentiation of basaltic melts have been proved insignificant, Li isotopic systems during crustal processes remain unclear. To study this, we report combined petrological, Nd-Sr and Li isotopic data for the late Paleozoic coexisting I- and A-type granites in the East Junggar orogen of the Central Asian Orogenic Belt. The granites were formed responding to underplating of mafic magmas in the lower crust in a postcollisional, extensional regime, and intruded into the Paleozoic foldbelts that formed due to extensive oceanic subduction-accretion processes.

Об авторах

Bin Chen
Hefei University of Technology
Китай

School of Resources and Environmental Engineering,

Hefei 230009



Keke Sun
Peking University
Китай

School of Earth and Space Sciences, 

Beijing 100871



Chao Huang
Hefei University of Technology
Китай

School of Resources and Environmental Engineering,

Hefei 230009



Hai-ou Gu
Hefei University of Technology; University of Science and Technology
Китай

School of Resources and Environmental Engineering, Hefei 230009;

School of Earth and Space Sciences, Hefei 230026



Для цитирования:


Chen B., Sun K., Huang C., Gu H. LITHIUM ISOTOPIC CONSTRAINTS ON THE ORIGIN OF I- AND A-TYPE GRANITES FROM EAST JUNGGAR (NW CHINA) OF THE CENTRAL ASIAN OROGENIC BELT: IMPLICATIONS FOR LI ISOTOPIC FRACTIONATION DURING CRUSTAL ANATEXIS. Геодинамика и тектонофизика. 2017;8(3):429-430. https://doi.org/10.5800/GT-2017-8-3-0253

For citation:


Chen B., Sun K., Huang C., Gu H. LITHIUM ISOTOPIC CONSTRAINTS ON THE ORIGIN OF I- AND A-TYPE GRANITES FROM EAST JUNGGAR (NW CHINA) OF THE CENTRAL ASIAN OROGENIC BELT: IMPLICATIONS FOR LI ISOTOPIC FRACTIONATION DURING CRUSTAL ANATEXIS. Geodynamics & Tectonophysics. 2017;8(3):429-430. https://doi.org/10.5800/GT-2017-8-3-0253

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ISSN 2078-502X (Online)