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✦ Cameca IMS 6F ion microprobe of the Geochemistry/Cosmochemistry Group, EPL, now decomissioned (photo: Steve Shirey)
EPL's Geochemistry/Cosmochemistry Group
EPL's Geochemistry/Cosmochemistry Group
The geochemists and cosmochemists of Carnegie's Earth and Planets Laboratory (EPL) are historians of Earth's and the Solar System's evolution over the last ~4.6 billion years with a proud record of making novel discoveries.
The geochemists and cosmochemists of Carnegie's Earth and Planets Laboratory (EPL) are historians of Earth's and the Solar System's evolution over the last ~4.6 billion years with a proud record of making novel discoveries.
Our thermal ionization, secondary ion, and inductively-coupled plasma mass spectrometers permit isotope ratio measurements at today’s limits of sensitivity, precision, and accuracy. They are an ensemble of tools whose powers we train on solid Earth samples and tiny remnants of the Solar System delivered by meteorites and asteroid missions.
Our thermal ionization, secondary ion, and inductively-coupled plasma mass spectrometers permit isotope ratio measurements at today’s limits of sensitivity, precision, and accuracy. They are an ensemble of tools whose powers we train on solid Earth samples and tiny remnants of the Solar System delivered by meteorites and asteroid missions.
Collectively, our instruments are a type of planetary observatory that operates much like an astronomical observatory does. Both observatories are “time machines”, to be aimed at and focused on a wide array of scientific problems. Ours allows us to look back in geologic time to earlier Eras in Earth history and back beyond Earth’s creation. The possible science is limited only by our imagination as to the targets we choose and the questions we pose.
Collectively, our instruments are a type of planetary observatory that operates much like an astronomical observatory does. Both observatories are “time machines”, to be aimed at and focused on a wide array of scientific problems. Ours allows us to look back in geologic time to earlier Eras in Earth history and back beyond Earth’s creation. The possible science is limited only by our imagination as to the targets we choose and the questions we pose.
Our main mass spectrometry laboratory currently is shut down between August, 2025 and February, 2026 to be fully renovated. It will be doubled in size to accomodate three new mass spectrometers: an IsotopX thermal ionization mass spectromter for U-Pb geochronology, and Agilent triple-quad for laser ablation, and Knudsen cell mass spectrometer for fundamental measurements in theremodynamics and isotopic fractionation. These instruments will be added to the four we currently have. Please see details of analytical instrumentation at EPL below.
Our main mass spectrometry laboratory currently is shut down between August, 2025 and February, 2026 to be fully renovated. It will be doubled in size to accomodate three new mass spectrometers: an IsotopX thermal ionization mass spectromter for U-Pb geochronology, and Agilent triple-quad for laser ablation, and Knudsen cell mass spectrometer for fundamental measurements in theremodynamics and isotopic fractionation. These instruments will be added to the four we currently have. Please see details of analytical instrumentation at EPL below.
The Geochemistry/Cosmochemistry Group currently comprises five scientific staff members, Conel Alexander, Andrea Giuliani, Jennifer Kasbohm, Anat Shahar, and Steven Shirey; chemistry lab manager, Michelle Jordan; senior research scientist and SIMS lab manager, Jianhua Wang; and mass spectrometry lab manager, Lori Willhite. Current postdoctoral fellows are Oded Elazar (from Hebrew University), and Haoxuan Sun (from IPGP).
The Geochemistry/Cosmochemistry Group currently comprises five scientific staff members, Conel Alexander, Andrea Giuliani, Jennifer Kasbohm, Anat Shahar, and Steven Shirey; chemistry lab manager, Michelle Jordan; senior research scientist and SIMS lab manager, Jianhua Wang; and mass spectrometry lab manager, Lori Willhite. Current postdoctoral fellows are Oded Elazar (from Hebrew University), and Haoxuan Sun (from IPGP).
Retirements have given us two emeritus scientific staff members, Rick Carlson and Fouad Tera. Long-time group member, Larry Nittler departed in 2022 to become a professor at ASU's School of Earth and Space Exploration (SESE). In 2018, tragically, our group lost long-time group member Erik Hauri.
Retirements have given us two emeritus scientific staff members, Rick Carlson and Fouad Tera. Long-time group member, Larry Nittler departed in 2022 to become a professor at ASU's School of Earth and Space Exploration (SESE). In 2018, tragically, our group lost long-time group member Erik Hauri.
Recently departed postdoctoral fellows include Jens Barosch (now at the University of Edinburgh), Emmanuel Codillo (now a professor at Stanford), James Dottin (now a professor at Brown University), Peng Ni (now a professor at UCLA), Julien Rojas (now at University of Paris–Saclay), and Zachary Torrano (now at Los Alamos National Lab).
Recently departed postdoctoral fellows include Jens Barosch (now at the University of Edinburgh), Emmanuel Codillo (now a professor at Stanford), James Dottin (now a professor at Brown University), Peng Ni (now a professor at UCLA), Julien Rojas (now at University of Paris–Saclay), and Zachary Torrano (now at Los Alamos National Lab).
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Instrument Development in Geochemistry/Cosmochemistry 1972–2025
Instrument Development in Geochemistry/Cosmochemistry 1972–2025
(compiled by Steven Shirey, Tim Mock, and Rick Carlson)
(compiled by Steven Shirey, Tim Mock, and Rick Carlson)
A 40+ Year Record of Groundbreaking Research
A 40+ Year Record of Groundbreaking Research
From 1982–2022, Geochemistry and Cosmochemistry Group scientific staff authored some 70 papers in Science and Nature —the world's most highly cited journals known for publishing groundbreaking research —averaging almost 2 articles a year for 40 years straight! (These figures exclude the 20 "News & Views" and "Comments" articles that are not peer-reviewed and critique the science of others.)
From 1982–2022, Geochemistry and Cosmochemistry Group scientific staff authored some 70 papers in Science and Nature —the world's most highly cited journals known for publishing groundbreaking research —averaging almost 2 articles a year for 40 years straight! (These figures exclude the 20 "News & Views" and "Comments" articles that are not peer-reviewed and critique the science of others.)
Authorship has been spread out within the members of the group during that period [Alexander (12), Carlson (21), Hauri (14), Nittler (19), Shirey (17), Shahar (2), Tera (3)]. This accomplishment highlights the intellectual vitality of our group and the Carnegie Institution for Science model for carrying out scientific research. Here is a list of most of these 70 papers with links to their PDF's.
Authorship has been spread out within the members of the group during that period [Alexander (12), Carlson (21), Hauri (14), Nittler (19), Shirey (17), Shahar (2), Tera (3)]. This accomplishment highlights the intellectual vitality of our group and the Carnegie Institution for Science model for carrying out scientific research. Here is a list of most of these 70 papers with links to their PDF's.
Geochem/Cosmochem Group Papers in Science & Nature
Geochem/Cosmochem Group Papers in Science & Nature
(Thanks to former EPL Librarian Shaun Hardy for compiling this list.)
(Thanks to former EPL Librarian Shaun Hardy for compiling this list.)
Alexander, C. M. O’D., A. P. Boss, and R. W. Carlson, Cosmochemistry - The early evolution of the inner solar system: a meteoritic perspective, Science 293 (no. 5527), 64-68, 2001. http://dx.doi.org/10.1126/science.105287
Alexander, C. M. O'D., R. Bowden, M. L. Fogel, K. T. Howard, C. D. K. Herd, L. R. Nittler, The Provenances of Asteroids, and Their Contributions to the Volatile Inventories of the Terrestrial Planets. Science 337, 721- 723 2012. http://dx.doi.org/10.1126/science.1223474
Alexander, C. M. O’D., J. N. Grossman, D. S. Ebel, and F. J. Ciesla, The formation conditions of chondrules and chondrites, Science 320 (no. 5883), 1617-1619, 2008. http://dx.doi.org/10.1126/science.1156561
Blewett, D. T., N. L. Chabot, B. W. Denevi, C. M. Ernst, J. W. Head, N. R. Izenberg, S. L. Murchie, S. C. Solomon, L. R. Nittler, T. J. McCoy, Z. Y. Xiao, D. M. H. Baker, C. I. Fassett, S. E. Braden, J. Oberst, F. Scholten, F. Preusker, and D. M. Hurwitz, Hollows on Mercury: MESSENGER evidence for geologically recent volatile-related activity, Science 333 (no. 6051), 1856-1859, 2011. http://dx.doi.org/10.1126/science.1211681
Borg, L. E., J. N. Connelly, M. Boyet, and R. W. Carlson, Chronological evidence that the Moon is either young or did not have a global magma ocean, Nature 477 (no. 7362), 70-U150, 2011. http://dx.doi.org/10.1038/nature10328
Boyet, M., and R. W. Carlson, Nd-142 evidence for early (> 4.53 Ga) global differentiation of the silicate Earth, Science 309 (no. 5734), 576-581, 2005. http://dx.doi.org/10.1126/science.1113634
Brandon, A. D., R. A. Creaser, S. B. Shirey, and R. W. Carlson, Osmium recycling in subduction zones, Science 272 (no. 5263), 861-864, 1996. http://dx.doi.org/10.1126/science.272.5263.861
Brown, L., J. Klein, R. Middleton, I. S. Sacks, and F. Tera, 10Be in island-arc volcanoes and implications for subduction, Nature 299, 718-720, 1982. https://doi.org/10.1038/299718a0
Brownlee, D., P. Tsou, J. Aleon, C. M. O. Alexander, T. Araki, S. Bajt, G. A. Baratta, R. Bastien, P. Bland, P. Bleuet, J. Borg, J. P. Bradley, A. Brearley, F. Brenker, S. Brennan, J. C. Bridges, N. D. Browning, J. R. Brucato, E. Bullock, M. J. Burchell, H. Busemann, A. Butterworth, M. Chaussidon, A. Cheuvront, M. F. Chi, M. J. Cintala, B. C. Clark, S. J. Clemett, G. Cody, L. Colangeli, G. Cooper, P. Cordier, C. Daghlian, Z. R. Dai, L. D'Hendecourt, Z. Djouadi, G. Dominguez, T. Duxbury, J. P. Dworkin, D. S. Ebel, T. E. Economou, S. Fakra, S. A. J. Fairey, S. Fallon, G. Ferrini, T. Ferroir, H. Fleckenstein, C. Floss, G. Flynn, I. A. Franchi, M. Fries, Z. Gainsforth, J. P. Gallien, M. Genge, M. K. Gilles, P. Gillet, J. Gilmour, D. P. Glavin, M. Gounelle, M. M. Grady, G. A. Graham, P. G. Grant, S. F. Green, F. Grossemy, L. Grossman, J. N. Grossman, Y. Guan, K. Hagiya, R. Harvey, P. Heck, G. F. Herzog, P. Hoppe, F. Horz, J. Huth, I. D. Hutcheon, K. Ignatyev, H. Ishii, M. Ito, D. Jacob, C. Jacobsen, S. Jacobsen, S. Jones, D. Joswiak, A. Jurewicz, A. T. Kearsley, L. P. Keller, H. Khodja, A. L. D. Kilcoyne, J. Kissel, A. Krot, F. Langenhorst, A. Lanzirotti, L. Le, L. A. Leshin, J. Leitner, L. Lemelle, H. Leroux, M. C. Liu, K. Luening, I. Lyon, G. MacPherson, M. A. Marcus, K. Marhas, B. Marty, G. Matrajt, K. McKeegan, A. Meibom, V. Mennella, K. Messenger, S. Messenger, T. Mikouchi, S. Mostefaoui, T. Nakamura, T. Nakano, M. Newville, L. R. Nittler, I. Ohnishi, K. Ohsumi, K. Okudaira, D. A. Papanastassiou, R. Palma, M. E. Palumbo, R. O. Pepin, D. Perkins, M. Perronnet, P. Pianetta, W. Rao, F. J. M. Rietmeijer, F. Robert, D. Rost, A. Rotundi, R. Ryan, S. A. Sandford, C. S. Schwandt, T. H. See, D. Schlutter, J. Sheffield-Parker, A. Simionovici, S. Simon, I. Sitnitsky, C. J. Snead, M. K. Spencer, F. J. Stadermann, A. Steele, T. Stephan, R. Stroud, J. Susini, S. R. Sutton, Y. Suzuki, M. Taheri, S. Taylor, N. Teslich, K. Tomeoka, N. Tomioka, A. Toppani, J. M. Trigo-Rodriguez, D. Troadec, A. Tsuchiyama, A. J. Tuzzolino, T. Tyliszczak, K. Uesugi, M. Velbel, J. Vellenga, E. Vicenzi, L. Vincze, J. Warren, I. Weber, M. Weisberg, A. J. Westphal, S. Wirick, D. Wooden, B. Wopenka, P. Wozniakiewicz, I. Wright, H. Yabuta, H. Yano, E. D. Young, R. N. Zare, T. Zega, K. Ziegler, L. Zimmerman, E. Zinner, and M. Zolensky, Comet 81P/Wild 2 under a microscope, Science 314 (no. 5806), 1711-1716, 2006. http://dx.doi.org/10.1126/science.1135840
Busemann, H., A. F. Young, C. M. O. Alexander, P. Hoppe, S. Mukhopadhyay, and L. R. Nittler, Interstellar chemistry recorded in organic matter from primitive meteorites, Science 312 (no. 5774), 727-730, 2006. http://dx.doi.org/10.1126/science.1123878
Cabral, R. A., M. G. Jackson, E. F. Rose-Koga, K. T. Koga, M. J. Whitehouse, M. A. Antonelli, J. Farquhar, J. M. D. Day, and E. H. Hauri, Anomalous sulphur isotopes in plume lavas reveal deep mantle storage of Archaean crust, Nature 496, 490-493, 2013. https://doi.org/10.1038/nature12020
Carlson, R. W., M. Boyet, and M. Horan, Chondrite barium, neodymium, and samarium isotopic heterogeneity and early earth differentiation, Science 316 (no. 5828), 1175-1178, 2007. http://dx.doi.org/10.1126/science.1140189
Carlson, R. W., D. R. Hunter, and F. Barker, Sm-Nd age and isotopic systematics of the bimodal suite, ancient gneiss complex, Swaziland, Nature 305 (no. 5936),701-704, 1983. http://dx.doi.org/10.1038/305701a0
Carlson, R. W., Analysis of lunar samples: implications for planet formation and evolution, Science 365, 240-243, 2019. https://doi.org/10.1126/science.aaw7580
Cleeves. L. I., E. A. Bergin, C. M. O’D. Alexander, F. J. Du, D. Graninger, K. I. Oberg, and T. J. Harries. The ancient heritage of water ice in the solar system, Science 345 (no. 6204), 1590-1593, 2014. http://dx.doi.org/10.1126/science.1258055
Cuzzi, J. N., and C. M. O. Alexander, Chondrule formation in particle-rich nebular regions at least hundreds of kilometres across, Nature 441 (no. 7092), 483-485, 2006. http://dx.doi.org/10.1038/nature04834
Eiler, J. M., K. A. Farley, J. W. Valley, E. M. Stolper, E. H. Hauri, and H. Craig, Oxygen-isotope evidence against recycled sediment in the mantle sources of Pitcairn Island lavas, Nature 377 (no. 6545), 138-141, 1995. http://dx.doi.org/10.1038/377138a0
Ellam, R. M., R. W. Carlson, and S. B. Shirey, Evidence from Re-Os isotopes for plume lithosphere mixing in Karoo flood-basalt genesis, Nature 359 (no. 6397),718-721, 1992. http://dx.doi.org/10.1038/359718a0
Hauri, E. H., Major-element variability in the Hawaiian mantle plume, Nature 382 (no. 6590), 415-419, 1996. http://dx.doi.org/10.1038/382415a0
Hauri, E. H., T. Weinreich, A. E. Saal, M. C. Rutherford, and J. A. Van Orman, High pre-eruptive water contents preserved in lunar melt Inclusions, Science 333 (no. 6039), 213-215, 2011. http://dx.doi.org/10.1126/science.1204626
Head, J. W., C. R. Chapman, R. G. Strom, C. I. Fassett, B. W. Denevi, D. T. Blewett, C. M. Ernst, T. R. Watters, S. C. Solomon, S. L. Murchie, L. M. Prockter, N. L. Chabot, J. J. Gillis-Davis, J. L. Whitten, T. A. Goudge, D. M. H. Baker, D. M. Hurwitz, L. R. Ostrach, Z. Y. Xiao, W. J. Merline, L. Kerber, J. L. Dickson, J. Oberst, P. K. Byrne, C. Klimczak, and L. R. Nittler, Flood volcanism in the northern high latitudes of Mercury revealed by MESSENGER, Science 333 (no. 6051),1853-1856, 2011. http://dx.doi.org/10.1126/science.1211997
Herd, C. D. K., A. Blinova, D. N. Simkus, Y. S. Huang, R. Tarozo, C. M. O. Alexander, F. Gyngard, L. R. Nittler, G. D. Cody, M. L. Fogel, Y. Kebukawa, A. L. D. Kilcoyne, R. W. Hilts, G. F. Slater, D. P. Glavin, J. P. Dworkin, M. P. Callahan, J. E. Elsila, B. T. De Gregorio, and R. M. Stroud, Origin and evolution of prebiotic organic matter as inferred from the Tagish Lake meteorite, Science 332 (no. 6035),1304-1307, 2011. http://dx.doi.org/10.1126/science.1203290
Jackson, M. G., and R. W. Carlson, An ancient recipe for flood-basalt genesis, Nature 476 (no. 7360), 316-U77, 2011. http://dx.doi.org/10.1038/nature10326
Jackson, M. G., R. W. Carlson, M. D. Kurz, P. D. Kempton, D. Francis, and J. Blusztajn, Evidence for the survival of the oldest terrestrial mantle reservoir, Nature 466 (no. 7308), 853-U84, 2010. http://dx.doi.org/10.1038/nature09287
Keller, L. P., S. Bajt, G. A. Baratta, J. Borg, J. P. Bradley, D. E. Brownlee, H. Busemann, J. R. Brucato, M. Burchell, L. Colangeli, L. d'Hendecourt, Z. Djouadi, G. Ferrini, G. Flynn, I. A. Franchi, M. Fries, M. M. Grady, G. A. Graham, F. Grossemy, A. Kearsley, G. Matrajt, K. Nakamura-Messenger, V. Mennella, L. Nittler, M. E. Palumbo, F. J. Stadermann, P. Tsou, A. Rotundi, S. A. Sandford, C. Snead, A. Steele, D. Wooden, and M. Zolensky, Infrared spectroscopy of comet 81P/Wild 2 samples returned by Stardust, Science 314 (no. 5806), 1728-1731, 2006. http://dx.doi.org/10.1126/science.1135796
Koch, P. L., J. Heisinger, C. Moss, R. W. Carlson, M. L. Fogel, and A. K. Behrensmeyer, Isotopic tracking of change in diet and habitat use in African elephants, Science 267 (no. 5202), 1340-1343, 1995. http://dx.doi.org/10.1126/science.267.5202.1340
Koeberl, C., and S. B. Shirey, Detection of a meteoritic component in Ivory Coast tektites with rhenium-osmium isotopes, Science 261 (no. 5121), 595-598, 1993. http://dx.doi.org/10.1126/science.261.5121.595
Krot, A. N., A. Meibom, S. S. Russell, C. M. O. Alexander, T. E. Jeffries, and K. Keil, A new astrophysical setting for chondrule formation, Science 291 (no. 5509),1776-1779, 2001. http://dx.doi.org/10.1126/science.291.5509.1776
Lambert, D. D., J. W. Morgan, R. J. Walker, S. B. Shirey, R. W. Carlson, M. L. Zientek, and M. S. Koski, Rhenium-osmium and samarium-neodymium isotopic systematics of the Stillwater Complex, Science 244 (no. 4909), 1169-1174, 1989. http://dx.doi.org/10.1126/science.244.4909.1169
Lawrence, D. J., W. C. Feldman, J. O. Goldsten, S. Maurice, P. N. Peplowski, B. J. Anderson, D. Bazell, R. L. McNutt, L. R. Nittler, T. H. Prettyman, D. J. Rodgers, S. C. Solomon, S. Z. Weider, Evidence for Water Ice Near Mercury's North Pole from MESSENGER Neutron Spectrometer Measurements. Science 339, 292-296 (2013). http://dx.doi.org/10.1126/science.1229953
McKeegan, K. D., J. Aleon, J. Bradley, D. Brownlee, H. Busemann, A. Butterworth, M. Chaussidon, S. Fallon, C. Floss, J. Gilmour, M. Gounelle, G. Graham, Y. B. Guan, P. R. Heck, P. Hoppe, I. D. Hutcheon, J. Huth, H. Ishii, M. Ito, S. B. Jacobsen, A. Kearsley, L. A. Leshin, M. C. Liu, I. Lyon, K. Marhas, B. Marty, G. Matrajt, A. Meibom, S. Messenger, S. Mostefaoui, S. Mukhopadhyay, K. Nakamura-Messenger, L. Nittler, R. Palma, R. O. Pepin, D. A. Papanastassiou, F. Robert, D. Schlutter, C. J. Snead, F. J. Stadermann, R. Stroud, P. Tsou, A. Westphal, E. D. Young, K. Ziegler, L. Zimmermann, and E. Zinner, Isotopic compositions of cometary matter returned by Stardust, Science 314 (no. 5806),1724-1728, 2006. http://dx.doi.org/10.1126/science.1135992
Morris, J. D., W. P. Leeman, and F. Tera, The subducted component in island arc lavas: constraints from Be isotopes and B-Be systematics, Nature 344, 31-36, 1990. https://doi.org/10.1038/344031a0
Nittler, L. R., C. M. O. Alexander, J. Wang, and X. Gao, Meteoritic oxide grain from supernova found, Nature 393 (no. 6682), 222-222, 1998. http://dx.doi.org/10.1038/30377
Nittler, L. R., R. D. Starr, S. Z. Weider, T. J. McCoy, W. V. Boynton, D. S. Ebel, C. M. Ernst, L. G. Evans, J. O. Goldsten, D. K. Hamara, D. J. Lawrence, R. L. McNutt, C. E. Schlemm, S. C. Solomon, and A. L. Sprague, The major-element composition of Mercury's surface from MESSENGER X-ray spectrometry, Science 333 (no. 6051), 1847-1850, 2011. http://dx.doi.org/10.1126/science.1211567
Olson, P., P. G. Silver, and R. W. Carlson, The large-scale structure of convection in the Earth’s mantle, Nature 344 (no. 6263), 209-215, 1990. http://dx.doi.org/10.1038/344209a0
O'Neil, J., R. W. Carlson, D. Francis, and R. K. Stevenson, Neodymium-142 evidence for hadean mafic crust, Science 321 (no. 5897), 1828-1831, 2008. http://dx.doi.org/10.1126/science.1161925
O'Neil, J., R. W. Carlson, D. Francis, and R. K. Stevenson, Response to comment on "Neodymium-142 evidence for Hadean mafic crust", Science 325, 267b, 2009. http://dx.doi.org/10.1126/science.1169695
O’Neil, J., and R. W. Carlson. Building Archean cratons from Hadean mafic crust, Science (no. 6330), 1199-1202, 2017. http://dx.doi.org/10.1126/science.aah3823
Pearson, D. G., G. A. Snyder, S. B. Shirey, L. A. Taylor, R. W. Carlson, and N. V. Sobolev, Archean Re-Os age for Siberian eclogites and constraints on Archean tectonics, Nature 374 (no. 6524), 711-713, 1995. http://dx.doi.org/10.1038/374711a0
Peplowski, P. N., L. G. Evans, S. A. Hauck, T. J. McCoy, W. V. Boynton, J. J. Gillis-Davis, D. S. Ebel, J. O. Goldsten, D. K. Hamara, D. J. Lawrence, R. L. McNutt, L. R. Nittler, S. C. Solomon, E. A. Rhodes, A. L. Sprague, R. D. Starr, and K. R. Stockstill-Cahill, Radioactive elements on Mercury's surface from MESSENGER: implications for the planet's formation and evolution, Science 333 (no. 6051),1850-1852, 2011. http://dx.doi.org/10.1126/science.1211576
Peters, B. J., R. W. Carlson, J. M. D. Day, and M. F. Horan, Hadean silicate differentiation preserved by anomalous 142Nd/144Nd ratios in the Réunion hotspot source, Nature 555, 89-93, 2018. https://doi.org/10.1038/nature25754
Richardson, S. H., and S. B. Shirey, Continental mantle signature of Bushveld magmas and coeval diamonds, Nature 453 (no. 7197), 910-913, 2008. http://dx.doi.org/10.1038/nature07073
Righter, K., and E. H. Hauri, Compatibility of rhenium in garnet during mantle melting and magma genesis, Science 280 (no. 5370), 1737-1741, 1998. http://dx.doi.org/10.1126/science.280.5370.1737
Rizo, H., R. J. Walker, R. W. Carlson, M. F. Horan, S. Mukhopadhyay, V. Manthos, D. Francis, and M. G. Jackson. Preservation of Earth-forming eents in the tungsten isotopic composition of modern flood basalts, Science 352 (no. 6287), 809-812, 2016. http://dx.doi.org/10.1126/science.aad8563
Ryan, J. G., J. Morris, F. Tera, W. P. Leeman, and A. Tsvetkov, Cross-arc geochemical variations in the Kurile Arc as a function of slab depth, Science 270, 625-627, 1995. http://dx.doi.org/10.1126/science.270.5236.625
Saal, A. E., S. R. Hart, N. Shimizu, E. H. Hauri, and G. D. Layne, Pb isotopic variability in melt inclusions from oceanic island basalts, Polynesia, Science 282 (no. 5393), 1481-1484, 1998. http://dx.doi.org/10.1126/science.282.5393.1481
Saal, A. E., E. H. Hauri, C. H. Langmuir, and M. R. Perfit, Vapour undersaturation in primitive mid-ocean-ridge basalt and the volatile content of Earth's upper mantle, Nature 419 (no. 6906), 451-455, 2002. http://dx.doi.org/10.1038/nature01073
Saal, A. E., E. H. Hauri, M. Lo Cascio, J. A. Van Orman, M. C. Rutherford, and R. F. Cooper, Volatile content of lunar volcanic glasses and the presence of water in the Moon's interior, Nature 454 (no. 7201), 192-U38, 2008. http://dx.doi.org/10.1038/nature07047
Saal, A.E, E. H. Hauri, J. A. Van Orman, M. J. Rutherford, Hydrogen Isotopes in Lunar Volcanic Glasses and Melt Inclusions Reveal a Carbonaceous Chondrite Heritage. Science 340, 1317-1320 (2013) http://dx.doi.org/10.1126/science.1235142
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Current analytical facilities available to postdocs and visitors
Current analytical facilities available to postdocs and visitors
Thermal ionization mass spectrometry (TIMS): Thermo-Fisher Triton™ Plus, IsotopX Phoenix™ (coming in late 2025)
Thermal ionization mass spectrometry (TIMS): Thermo-Fisher Triton™ Plus, IsotopX Phoenix™ (coming in late 2025)
Multi-collector inductively coupled mass spectrometery (MC-ICPMS): Nu Plasma II (w/ Plasma III source),
Multi-collector inductively coupled mass spectrometery (MC-ICPMS): Nu Plasma II (w/ Plasma III source),
Laser ablation inductively coupled mass spectrometery (LA-ICPMS): Cetac/Teledyne Iridia™ Laser (193nm), Thermo-Fisher iCap Qc, Agilent 8900 TripleQuad (coming in late 2025)
Laser ablation inductively coupled mass spectrometery (LA-ICPMS): Cetac/Teledyne Iridia™ Laser (193nm), Thermo-Fisher iCap Qc, Agilent 8900 TripleQuad (coming in late 2025)
Secondary ion mass spectrometry (SIMS): Ametek Cameca NanoSIMS 50L
Secondary ion mass spectrometry (SIMS): Ametek Cameca NanoSIMS 50L
Gas source stable isotope mass spectrometry: Thermo-Fisher Delta V Plus with Carlo Erba elemental analyzer
Scanning electron miscroscopy (SEM): Zeiss Auriga™ SEM
Scanning electron miscroscopy (SEM): Zeiss Auriga™ SEM
Electron probe microanalysis (EPMA): JOEL Field Emission EPMA
Electron probe microanalysis (EPMA): JOEL Field Emission EPMA
Focussed Ion Beam (FIB): FEI Gallium Plasma FIB
Focussed Ion Beam (FIB): FEI Gallium Plasma FIB
X-ray diffraction, powder and single crystal: Bruker D8 Venture™, Bruker D8 Discover™
X-ray diffraction, powder and single crystal: Bruker D8 Venture™, Bruker D8 Discover™
Raman Spectroscopy: WiTec confocal Raman
Raman Spectroscopy: WiTec confocal Raman
Cathodoluminescence: NewTech Cathodyne™ cathodoluminescence system
Cathodoluminescence: NewTech Cathodyne™ cathodoluminescence system
Experimental Capabilities: Piston cylinder, multi-anvil, diamond anvil, electrical conductivity
Experimental Capabilities: Piston cylinder, multi-anvil, diamond anvil, electrical conductivity
Chemistry Labs: Multiple clean-room facility equipped for all aspects of sample preparation
Chemistry Labs: Multiple clean-room facility equipped for all aspects of sample preparation
Other supporting labs: Optical microscopy, microsampling, rock room, machine shop, electronics lab, diamond cutting and polishing
Other supporting labs: Optical microscopy, microsampling, rock room, machine shop, electronics lab, diamond cutting and polishing
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