Tracing the Indian Ocean mantle domain through time: isotopic results from old west Indian, east Tethyan, and south Pacific seafloor

• Published in: Journal of Petrology
• Main Authors: Mahoney, J. J., Frei, R., Tejada, M. L. G., Mo, X. X., Leat, P. T., NaGler, T. F.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 1998
• Subjects: Pacific; Indian; Alexander Island; Antarc*; Antarctica; North Atlantic
• Online Access: http://nora.nerc.ac.uk/id/eprint/504183/; https://doi.org/10.1093/petroj/39.7.1285

The isotopic difference between modern Indian Ocean and Pacific or North Atlantic Ocean ridge mantle (e.g. variably lower 206Pb/204Pb for a given εNd and 208Pb/204Pb) could reflect processes that occurred within a few tens of millions of years preceding the initial breakup of Gondwana. Alternatively...