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Mantle melting

Brooker RA, Du Z, Blundy JD, Kelley SP, Allan NL, Wood BJ, Chamorro EM, Wartho J-A, Purton JA (2003) The zero charge partitioning behavior of noble gases during mantle melting. Nature (submitted)... [Pg.120]

Rubin KH, Macdougall JD (1988) Ra excesses in mid-ocean-ridge basalts and mantle melting. Nature 335 158-161... [Pg.173]

U-series disequilibria are powerful for studying mantle melting because secular equilibrium between all members of the chain should exist for any parcel of solid mantle upwelling from depth. Prior to formation of any fluid phase (early formed melt or volatile rich fluid), upwelling material will have been solid for times that are much longer than... [Pg.176]

Bourdon B, Zindler A, Elliott T, Langmuir CH (1996b) Constraints on mantle melting at mid-ocean ridges from global U- °Th disequilibrium data. Nature 384 231-235... [Pg.207]

Iwamori H (1993) Dynamic disequilibrium melting model with porous flow and diffusion-controlled chemical equilibration. Earth Planet Sci Lett 114 301-313 Iwamori H (1994) U- °Th- Ra and Pa disequihbria produced by mantle melting with porous and channel flows. Earth Planet Sci Lett 125 1-16... [Pg.209]

Tepley FJT, Lnndstrom CC, Sims K (2001) U-series Diseqnihbria in MORB from Transforms and Implications for Mantle Melting. EOS Trans. AGU 82 (47) Fall meeting snppl. Abstract V51E-07 Thurber DL (1962) Anomalons U " /U in natnre. J Geophys Res 67 4518-4520... [Pg.211]

Wood BJ, Blundy JD, Robinson JAC (1999) The role of clinopyroxene in generating U-series disequilibrium during mantle melting. Geochim Cosmochim Acta 63 1613-1620 Zou H, Zindler A, Niu Y (2002) Constraints on melt movement beneath the East Pacific Rise from °Th- U disequilibrium. Science 295 107-110... [Pg.211]

Ellam RM, Hawkesworth CJ (1988) Elemental and isotopic variations in subduction related basalts evidenee for a three component model. Contrib Mineral Petrol 98 72-80 Elkins Tanton LT, Grove TL, Doimelly-Nolan J (2001) Hot, shallow mantle melting under the Caseades voleanoe are. Geology 29 631-634... [Pg.305]

Pearce JA, Parkinson IJ (1993) Trace element models for mantle melting application to volcanic arc petrogenesis. J Geol Soc Lond 76 373-403... [Pg.307]

Plank T (1993) Mantle melting and crastal recychng in subduction zones. PhD Dissertation, Columbia Utuversity, New York City, New York... [Pg.307]

Some ridge sections are underlain by mantle melt anomalies, or hot spots, such as at the Azores and Galapagos Islands. These are marked by the stars in Figure 19.1 and data points 12 and 13 in Figure 19.5. Mantle upwelhng beneath both these ridge sections has abnormally thickened the oceanic crust to at least about 10 km. Most of the 47 known hot spots lie more than 500 km from a ridge axis. The Hawaiian islands are a notable example. [Pg.477]

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