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There are 6820 results for: content related to: Seven thousand year duration for a geomagnetic excursion constrained by 230 Th xs

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    U series disequilibria: Insights into mantle melting and the timescales of magma differentiation

    Reviews of Geophysics

    Volume 43, Issue 1, March 2005, David W. Peate and Chris J. Hawkesworth

    Version of Record online : 31 MAR 2005, DOI: 10.1029/2004RG000154

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    Modeling the particle flux effect on distribution of 230Th in the equatorial Pacific

    Paleoceanography

    Volume 23, Issue 2, June 2008, Mark Siddall, Robert F. Anderson, Gisela Winckler, Gideon M. Henderson, Louisa I. Bradtmiller, David McGee, Allison Franzese, Thomas F. Stocker and Simon A. Müller

    Version of Record online : 9 MAY 2008, DOI: 10.1029/2007PA001556

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    230Th normalization: An essential tool for interpreting sedimentary fluxes during the late Quaternary

    Paleoceanography

    Volume 19, Issue 1, March 2004, Roger Francois, Martin Frank, Michiel M. Rutgers van der Loeff and Michael P. Bacon

    Version of Record online : 5 MAR 2004, DOI: 10.1029/2003PA000939

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    Sediment size fractionation and focusing in the equatorial Pacific: Effect on 230Th normalization and paleoflux measurements

    Paleoceanography

    Volume 29, Issue 7, July 2014, Pages: 747–763, Mitchell Lyle, Franco Marcantonio, Willard S. Moore, Richard W. Murray, Chih-An Huh, Bruce P. Finney, David W. Murray and Alan C. Mix

    Version of Record online : 30 JUL 2014, DOI: 10.1002/2014PA002616

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    Lower export production during glacial periods in the equatorial Pacific derived from (231Pa/230Th)xs,0 measurements in deep-sea sediments

    Paleoceanography

    Volume 19, Issue 4, December 2004, Sylvain Pichat, Kenneth W. W. Sims, Roger François, Jerry F. McManus, Susan Brown Leger and Francis Albarède

    Version of Record online : 16 DEC 2004, DOI: 10.1029/2003PA000994

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    238U-230Th-226Ra-210Pb-210Po, 232Th-228Ra, and 235U-231Pa constraints on the ages and petrogenesis of Vailulu'u and Malumalu Lavas, Samoa

    Geochemistry, Geophysics, Geosystems

    Volume 9, Issue 4, April 2008, Kenneth W. W. Sims, S. R. Hart, M. K. Reagan, J. Blusztajn, H. Staudigel, R. A. Sohn, G. D. Layne, L. A. Ball and J. Andrews

    Version of Record online : 1 APR 2008, DOI: 10.1029/2007GC001651

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    The 226Ra enrichment in oceanic basalts: Evidence for melt-cumulate diffusive interaction processes within the oceanic lithosphere

    Geochemistry, Geophysics, Geosystems

    Volume 5, Issue 2, February 2004, Alberto E. Saal and James A. Van Orman

    Version of Record online : 25 FEB 2004, DOI: 10.1029/2003GC000620

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    Modeling the relationship between 231Pa/230Th distribution in North Atlantic sediment and Atlantic meridional overturning circulation

    Paleoceanography

    Volume 22, Issue 2, June 2007, Mark Siddall, Thomas F. Stocker, Gideon M. Henderson, Fortunat Joos, Martin Frank, Neil R. Edwards, Stefan P. Ritz and Simon A. Müller

    Version of Record online : 19 MAY 2007, DOI: 10.1029/2006PA001358

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    Mantle metasomatism and rapid ascent of slab components beneath island arcs: Evidence from 238U-230Th-226Ra disequilibria of Miyakejima volcano, Izu arc, Japan

    Journal of Geophysical Research: Solid Earth (1978–2012)

    Volume 108, Issue B7, July 2003, Tetsuya Yokoyama, Katsura Kobayashi, Takeshi Kuritani and Eizo Nakamura

    Version of Record online : 5 JUL 2003, DOI: 10.1029/2002JB002103

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    The “African humid period” and the record of marine upwelling from excess 230Th in Ocean Drilling Program Hole 658C

    Paleoceanography

    Volume 21, Issue 4, December 2006, Jess Adkins, Peter deMenocal and Gidon Eshel

    Version of Record online : 20 OCT 2006, DOI: 10.1029/2005PA001200

  11. Can 234U–230Th dating be used to date large semi-arid tufas? Challenges from a study in the Naukluft Mountains, Namibia

    Journal of Quaternary Science

    Volume 25, Issue 8, December 2010, Pages: 1360–1372, Abigail E.C. Stone, Heather A. Viles, Louise Thomas and Peter Van Calsteren

    Version of Record online : 23 NOV 2010, DOI: 10.1002/jqs.1435

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    Diatom productivity in the equatorial Pacific Ocean from the last glacial period to the present: A test of the silicic acid leakage hypothesis

    Paleoceanography

    Volume 21, Issue 4, December 2006, L. I. Bradtmiller, R. F. Anderson, M. Q. Fleisher and L. H. Burckle

    Version of Record online : 13 OCT 2006, DOI: 10.1029/2006PA001282

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    Particle sorting during sediment redistribution processes and the effect on 230Th-normalized mass accumulation rates

    Geophysical Research Letters

    Volume 41, Issue 15, 16 August 2014, Pages: 5547–5554, Franco Marcantonio, Mitchell Lyle and Rami Ibrahim

    Version of Record online : 4 AUG 2014, DOI: 10.1002/2014GL060477

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    Advection and scavenging controls of Pa/Th in the northern NE Atlantic

    Paleoceanography

    Volume 29, Issue 6, June 2014, Pages: 668–679, Natalie L. Roberts, Jerry F. McManus, Alexander M. Piotrowski and I. Nicholas McCave

    Version of Record online : 30 JUN 2014, DOI: 10.1002/2014PA002633

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    Aberrant youth: Chemical and isotopic constraints on the origin of off-axis lavas from the East Pacific Rise, 9°–10°N

    Geochemistry, Geophysics, Geosystems

    Volume 4, Issue 10, October 2003, K. W. W. Sims, J. Blichert-Toft, D. J. Fornari, M. R. Perfit, S. J. Goldstein, P. Johnson, D. J. DePaolo, S. R. Hart, M. T. Murrell, P. J. Michael, G. D. Layne and L. A. Ball

    Version of Record online : 4 OCT 2003, DOI: 10.1029/2002GC000443

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    Application of an inverse method to interpret 231Pa/230Th observations from marine sediments

    Paleoceanography

    Volume 26, Issue 1, March 2011, Andrea Burke, Olivier Marchal, Louisa I. Bradtmiller, Jerry F. McManus and Roger François

    Version of Record online : 16 MAR 2011, DOI: 10.1029/2010PA002022

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    Reply to comment by R. Francois et al. on “Do geochemical estimates of sediment focusing pass the sediment test in the equatorial Pacific?”: Further explorations of 230Th normalization

    Paleoceanography

    Volume 22, Issue 1, March 2007, Mitchell Lyle, Nicklas Pisias, Adina Paytan, Jose Ignacio Martinez and Alan Mix

    Version of Record online : 6 MAR 2007, DOI: 10.1029/2006PA001373

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    U-series disequilibria in Guatemalan lavas, crustal contamination, and implications for magma genesis along the Central American subduction zone

    Journal of Geophysical Research: Solid Earth (1978–2012)

    Volume 112, Issue B6, June 2007, James A. Walker, J. Erik Mickelson, Rebecca B. Thomas, Lina C. Patino, Barry Cameron, Michael J. Carr, Mark D. Feigenson and R. Lawrence Edwards

    Version of Record online : 19 JUN 2007, DOI: 10.1029/2006JB004589

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    Dehydration and partial melting in subduction zones: Constraints from U-series disequilibria

    Journal of Geophysical Research: Solid Earth (1978–2012)

    Volume 108, Issue B6, June 2003, Bernard Bourdon, Simon Turner and Anthony Dosseto

    Version of Record online : 6 JUN 2003, DOI: 10.1029/2002JB001839

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    U-Th-Ra disequilibria and the extent of off-axis volcanism across the East Pacific Rise at 9°30′N, 10°30′N, and 11°20′N

    Geochemistry, Geophysics, Geosystems

    Volume 12, Issue 7, July 2011, Simon Turner, Christoph Beier, Yaoling Niu and Craig Cook

    Version of Record online : 28 JUL 2011, DOI: 10.1029/2010GC003403