Emergence of blueschists on Earth linked to secular changes in oceanic crust composition

The oldest blueschists—metamorphic rocks formed during subduction—are of Neoproterozoic age1, and 0.7–0.8 billion years old. Yet, subduction of oceanic crust to mantle depths is thought to have occurred since the Hadean, over 4 billion years ago2. Blueschists typically form under cold geothermal gra...

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Manylion Llyfryddiaeth
Prif Awduron: Palin, R, White, R
Fformat: Journal article
Iaith:English
Cyhoeddwyd: Springer Nature 2015

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