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NSF Forms - Ridge 2000 Program

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Feineman, M.D. and D.J. DePaolo, Steady-state 226 Ra/ 230 Th disequilibrium in mantle minerals:<br />

Implications for melt transport rates in island arcs. Earth Planet, Sci. Lett., 215, 339-355,<br />

2004.<br />

Fretzdorff, S. et al., 230 Th- 238 U disequilibrium in East Scotia backarc basalts: Implications for<br />

slab contributions. Geology, 31, 693-696, 2003.<br />

Fretzdorff, S., R.A. Livermore, C.W. Devey, P.T. Leat and P. Stoffers, Petrogenesis of the Backarc<br />

East Scotia <strong>Ridge</strong>, South Atlantic Ocean. J. Petrol., 43, 1435-1467, 2002.<br />

George, R., S. Turner, J. Morris, T. Plank, C. Hawkesworth, and J. Ryan, Pressure-temperaturetime<br />

paths of sediment recycling beneath the Tonga-Kermadec arc, Earth and Planetary<br />

Science Letters, 233, 195-211, 2005.<br />

George, R. et al., Chemical versus temporal controls on the evolution of tholeiitic and calcalkaline<br />

magmas at two volcanoes in the Alaska-Aleutian arc. J. Petrol., 45, 203-219, 2004.<br />

George, R. et al., Melting processes and fluid and sediment transport rates along the Alaska-<br />

Aleutian arc from an integrated U-Th-Ra-Be isotope study. J. Geophys. Res., 108, 1-25,<br />

2003.<br />

*German, C.R., E.T. Baker, D.P. Connelly, J.E. Lupton, J. Resing, R.D. Prien, S.L. Walker, H.N.<br />

Edmonds, and C.H. Langmuir, Hydrothermal Exploration of the Fonualei Rift & Spreading<br />

Centre and the North East Lau Spreading Centre, submitted to EPSL (2006).<br />

Gill, J., J.B. Morris and R.W. Johnson, Timescale for producing the geochemical signature of<br />

island arc magmas: U-Th-Po and Be-B systematics in Recent Papua New Guinea lavas.<br />

Geochim. Cosmochim. Acta, 57, 4269-4283, 1993.<br />

Gill, J.B. and C.T. Williams, Th isotope U-series studies of subduction-related volcanic rocks.<br />

Geochimica et Cosmochemica Acta, 54, 1427-1442, 1990.<br />

Goddard, C. et al., 2005. Helium-3 and Manganese in water column hydrothermal plumes along<br />

the Eastern Lau Spreading Center (ELSC): initial results for the R2K Lau Basin ISS,<br />

<strong>Ridge</strong><strong>2000</strong> <strong>Program</strong> workshop, Vancouver, BC, Canada.<br />

Goldstein, S.J., M.T. Murrell and D.R. Janecky, Th and U isotopic systematics of basalts from<br />

the Juan de Fuca and Gorda <strong>Ridge</strong>s by mass spectrometry. Earth Planet, Sci. Lett., 96, 134-<br />

146, 1989.<br />

Goldstein, S.J., Murrell, M.T., Janecky, D.R., Delaney, J.R., and Clague, Geochronology and<br />

petrogenesis of MORB from the Juan de Fuca and Gorda <strong>Ridge</strong>s by 238 U- 230 Th<br />

disequilibrium. Earth Planet, Sci. Lett., 107, 25-41, 1991a; 109, 255-272, 1992.<br />

Goldstein S.J., Murrell M.T. and Williams R.W., 231 Pa and 230 Th chronology of Mid-Ocean<br />

<strong>Ridge</strong> Basalts. Earth Planet. Sci. Lett., 115, 151-160, 1993.<br />

Goldstein, S.J., Perfit, M.R., Batiza, R., Fornari, D.J., and Murrell, M.T., Off-axis volcanism at<br />

the East Pacific Rise detected by uranium-series dating of basalts. Nature, 367, 157-159,<br />

1994.<br />

Hart, S.R., R.K. Workman, M. Coetzee, J.S. Blusztajn, L. Ball, and K.T.M. Johnson, The Pb<br />

isotope pedigree of Western Samoa volcanics: New insights from high-precision analysis by<br />

NEPTUNE ICP/MS. Eos Trans. AGU, 83(47), 2002.<br />

Hawkesworth, C., R. George, S. Turner, and G. Zellmer, Time Scales of Magmatic Processes,<br />

Earth and Planetary Science Letters, 218, 1-16, 2004.<br />

Hawkesworth, C.J., S.P. Turner, F. McDermott, D.W. Peate and P. van Calsteren, U-Th isotopes<br />

in arc magmas: Implications for element transfer from the subducted crust. Science, 276,<br />

551-555, 1997.<br />

Hochstaedter, A.G. et al., Across-arc geochemical trends in the Izu-Bonin arc: Constraints on<br />

source composition and mantle melting. J. Geophys. Res., 105, 495-512, <strong>2000</strong>.<br />

E-2<br />

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