Séminaire de Jabrane Labidi
Title: Hydrothermal 15N15N abundances constrain the origins of mantle nitrogen Nitrogen (N) is the main constituent of the Earth’s atmosphere, but its provenance in the Earth’s mantle is uncertain. The relative contributions of primordial nitrogen inherited from Earth’s accretion versus that subducted from the Earth’s surface remain unclear. Here, we show evidence that mantle nitrogen is…