Geochemical tracing of Pacific-to-Atlantic upper-mantle flow through the Drake passage

• Published in: Nature
• Main Authors: Pearce, J.A., Leat, P.T., Barker, P.F., Millar, I.L.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Nature Publishing Group 2001
• Subjects: Antarctic; Drake Passage; Scotia Sea; Pacific; Indian; Alvarez; Australian-Antarctic Discordance; Antarc*
• Online Access: http://nora.nerc.ac.uk/id/eprint/20161/; http://www.nature.com/nature/journal/v410/n6827/full/410457a0.html

The Earth's convecting upper mantle can be viewed as comprising three main reservoirs, beneath the Pacific, Atlantic and Indian oceans. Because of the uneven global distribution and migration of ridges and subduction zones, the surface area of the Pacific reservoir is at present contracting at...