Volatile (C, N, Ar) variability in MORB and the respective roles of mantle source heterogeneity and degassing: the case of the Southwest Indian Ridge

@inproceedings{Cartigny2001VolatileN,
  title={Volatile (C, N, Ar) variability in MORB and the respective roles of mantle source heterogeneity and degassing: the case of the Southwest Indian Ridge},
  author={Pierre Cartigny and Nathalie Jendrzejewski and Françoise Pineau and Elodie Petit and Marc Javoy},
  year={2001}
}
In order to better constrain the origin of volatile variability of mid ocean ridge basalt (MORB), we have performed crushing analyses on 33 fresh basaltic glasses. Most samples originate from the Southwest Indian Ridge (i.e. 78–49°E, EDUL cruise, August 97), the Southeast Indian Ridge, the Central Indian Ridge and the Rodriguez Triple Junction. δ13C and δ18O of CO2, δ15N of N2 together with C, N and Ar contents were determined. δ15N values vary between −5.9‰ and +2.1‰ while δ13C values range… CONTINUE READING

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