Jenner, Frances; Arculus, Richard; Mavrogenes, John; Dyriw, Nicholas; Nebel, Oliver; Hauri, E.H.
The Lau Backarc Basin (S.W. Pacific) hosts numerous spreading centers and rifts, including the Rochambeau Rifts (RR), Northwest Lau Spreading Center (NWLSC), and Central Lau Spreading Center (CLSC). Samples from the NWLSC, RR and CLSC show no evidence for a subduction-derived component in their mantle source regions or evidence for S loss during eruption. The contents of S in glasses from the NWLSC and many from the CLSC and the RR are lower than MORB at a given FeO TOT, indicating melts were...[Show more]
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