Bi-directional subduction of the South Tianshan Ocean during the Late Silurian: Magmatic records from both the southern Central Tianshan Block and northern Tarim Craton
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文摘

The Bayanbulak andesite erupted at 423 Ma.

The Ouxidaban quartz diorite formed at 421 Ma.

The Late Silurian magmatic rocks all show arc signature.

The South Tianshan Ocean subducted bi-directionally during Late Silurian.

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