Hot, Wide, Continental Back-arcs Explain Earth’s Enigmatic mid-Proterozoic Magmatic and Metamorphic Record

Higher than average thermobaric ratios (temperature/pressure) of metamorphic rocks and abundant ‘dry’ ferroan magmatism including massif anorthosite suites are two enigmatic features of the mid-Proterozoic (1.85–0.85 Ga) that have unclear origins. It has been proposed that elevated mantle temperatu...

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Hauptverfasser:	Nick Roberts, Kent Condie, Richard Palin, Christopher Spencer
Format:	Artigo
Sprache:	Inglês
Veröffentlicht:	Tektonika 2023-03-01
Schriftenreihe:	Tektonika
Schlagworte:	mid-Proterozoic Boring billion geodynamics back-arc plate tectonics secular cooling
Online-Zugang:	https://tektonika.online/index.php/home/article/view/32
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