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Late Mesoproterozoic to Early Neoproterozoic tectono-magmatic evolution of the southwestern margin of the Yangtze Block: Evidence from A-type granitoids in the Yuanmou area

delete2026-05-04
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H
Hui Zhang
Z
Zejin Shi *
G
Guan Yin
W
Wenjie Li
Y
Yaming Tian
C
Cang Wang
B
Bin Wen *
DOI:10.1016/j.precamres.2026.108131delete
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Abstract

Abstract

En 中文
• Two-stages (∼1.06 Ga and ∼ 0.82 Ga) of A-type granitoids are identified in the SW-Yangtze Block; • The two-stage granitoids reveal two distinct tectonic settings; • A tectonic transition from rifting setting to multi-stage subduction settings is proposed.
Keywords:
A-type granitoids
tectonic setting
rifting
subduction
Yangtze Block
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Precambrian Research cover
Precambrian Research
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chengdu university of technology
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china university of geosciences
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