Geochemistry and Cosmochemistry Group

✦ Cameca IMS 6F ion microprobe  of the Geochemistry/Cosmochemistry Group, EPL, now decomissioned (photo: Steve Shirey)

EPL's Geochemistry/Cosmochemistry Group

The Geochemistry/Cosmochemistry Group of Carnegie's Earth and Planets Laboratory (EPL) has a long history of making novel geochemical and cosmochemical discoveries. Our five types of sensitive, solid source mass spectrometers permit isotope ratio measurements at today’s limit of 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 are “time machines”, to be aimed at and focused on a wide array of targets. Ours allows us to look back in geologic time to earlier Eras in Earth history –and even back to Earth’s creation. The science is limited only by our imagination as to the targets we choose and the questions we pose.

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; mass spectrometer lab manager, Tim Mock; and senior research scientist and SIMS lab manager, Jianhua Wang. Current postdoctoral fellows are Emmanuel Codillo (WHOI)  and Oded Elazar (Hebrew University).

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) James Dottin (now at Brown University), Peng Ni (now at UCLA), Julien Rojas (now at University of Paris–Saclay), and Zachary Torrano (now at Los Alamos National Lab).

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Please see our list of available instrumentation (below, bottom of page). The story of how the Geochemistry and Cosmochemistry Group started in 1951 is the bottom of the EPL history page here.  

A more than 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 just under 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 is spread out within the group [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. 

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Geochemistry/Cosmochemistry Group Papers in Science and Nature

(Thanks to 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

Sarafian, E., G. A. Gaetani, E. H. Hauri.,and  A. R. Sarafian.  Experimental constraints on the damp peridotite solidus and oceanic mantle potential temperature, Science 355 (no. 6328), 942-944, 2017.  http://dx.doi.org/10.1126/science.aaj2165

Sandford, S. A., J. Aleon, C. M. O. Alexander, T. Araki, S. Bajt, G. A. Baratta, J. Borg, J. P. Bradley, D. E. Brownlee, J. R. Brucato, M. J. Burchell, H. Busemann, A. Butterworth, S. J. Clemett, G. Cody, L. Colangeli, G. Cooper, L. D'Hendecourt, Z. Djouadi, J. P. Dworkin, G. Ferrini, H. Fleckenstein, G. J. Flynn, I. A. Franchi, M. Fries, M. K. Gilles, D. P. Glavin, M. Gounelle, F. Grossemy, C. Jacobsen, L. P. Keller, A. L. D. Kilcoyne, J. Leitner, G. Matrajt, A. Meibom, V. Mennella, S. Mostefaoui, L. R. Nittler, M. E. Palumbo, D. A. Papanastassiou, F. Robert, A. Rotundi, C. J. Snead, M. K. Spencer, F. J. Stadermann, A. Steele, T. Stephan, P. Tsou, T. Tyliszczak, A. J. Westphal, S. Wirick, B. Wopenka, H. Yabuta, R. N. Zare, and M. E. Zolensky, Organics captured from comet 81P/Wild 2 by the Stardust spacecraft, Science 314 (no. 5806), 1720-1724, 2006. http://dx.doi.org/10.1126/science.1135841

Schonbachler, M., R. W. Carlson, M. F. Horan, T. D. Mock, and E. H. Hauri, Heterogeneous accretion and the moderately volatile element budget of Earth, Science 328 (no. 5980), 884-887, 2010. http://dx.doi.org/10.1126/science.1186239

Shahar, A., P. Driscoll, A. Weinberger, and G. Cody, What makes a planet habitable? Science 364, 434-435, 2019. https://doi.org/10.1126/science.aaw4326

Shahar, A., E. A. Schauble, R. Caracas, A. E. Gleason, M. M. Reagan, Y. Xiao, J. Shu, and W. Mao, Pressure-dependent isotopic composition of iron alloys, Science 352, 580-582, 2016. https://doi.org/10.1126/science.aad9945

Shirey, S. B., J. F. Bender, and C. H. Langmuir, 3-component isotopic heterogeneity near the Oceanographer Transform, Mid-Atlantic Ridge, Nature 325 (no. 6101), 217-223, 1987. http://dx.doi.org/10.1038/325217a0

Shirey, S. B., and G. N. Hanson, Mantle-derived Archean monozodiorites and trachyandesites, Nature 310 (no. 5974), 222-224, 1984. http://dx.doi.org/10.1038/310222a0

Shirey, S. B., J. W. Harris, S. H. Richardson, M. J. Fouch, D. E. James, P. Cartigny, P. Deines, and F. Viljoen, Diamond genesis, seismic structure, and evolution of the Kaapvaal-Zimbabwe craton, Science 297 (no. 5587), 1683-1686, 2002. http://dx.doi.org/10.1126/science.1072384

Shirey, S. B., and S. H. Richardson, Start of the Wilson Cycle at 3 Ga shown by diamonds from subcontinental mantle, Science 333 (no. 6041), 434-436, 2011. http://dx.doi.org/10.1126/science.1206275

Slavin, J. A., M. H. Acuna, B. J. Anderson, D. N. Baker, M. Benna, G. Gloeckler, R. E. Gold, G. C. Ho, R. M. Killen, H. Korth, S. M. Krimigis, R. L. McNutt, L. R. Nittler, J. M. Raines, D. Schriver, S. C. Solomon, R. D. Starr, P. Travnicek, and T. H. Zurbuchen, Mercury's magnetosphere after MESSENGER's first flyby, Science 321 (no. 5885), 85-89, 2008. http://dx.doi.org/10.1126/science.1159040

Slavin, J. A., B. J. Anderson, D. N. Baker, M. Benna, S. A. Boardsen, G. Gloeckler, R. E. Gold, G. C. Ho, H. Korth, S. M. Krimigis, R. L. McNutt, L. R. Nittler, J. M. Raines, M. Sarantos, D. Schriver, S. C. Solomon, R. D. Starr, P. M. Travnicek, and T. H. Zurbuchen, MESSENGER observations of extreme loading and unloading of Mercury's magnetic tail, Science 329 (no. 5992), 665-668, 2010. http://dx.doi.org/10.1126/science.1188067

Smit, K.V., Shirey, S.B., Hauri, E.H., and Stern, R.A. (2019) Sulfur isotopes in diamonds reveal differences in continent construction. Science 364, 383-385. http://doi.org/10.1126/science.aaw9548

Smith, E. M., S. B. Shirey, F. Nestola, E. S. Bullock, J. H. Wang, S. H. Richardson, and W. Y. Wang.  Large gem diamonds from metallic liquid in Earth’s deep mantle,Science 354 (no. 6318), 1403-1405, 2016. http://dx.doi.org/10.1126/science.aal1303

Smith, E. M., Shirey, S. B., Richardson S. H., Nestola, F., Bullock, E. S., Wang, J., & Wang, W. (2018). Blue boron-bearing diamonds from Earth’s lower mantle. Nature, 560, 84–87. http://doi.org/10.1038/s41586-018-0334-5

Smith, E. M., S. B. Shirey, S. H. Richardson, F. Nestola, E. S. Bullock, J. Wang, and W. Wang, Reply to: Evidence for two blue (type IIb) diamond populations, Nature 570, E28-E29, 2019. https://doi.org/10.1038/s41586-019-1246-8

Steele,A., F. M. McCubbin, M. Fries, L. Kater, N. Z. Boctor, M. L. Fogel, P. G. Conrad, M. Glamoclija, M. Spencer, A. L. Morrow, M. R. Hammond, R. N. Zare, E. P. Vicenzi, S. Siljestrom, R. Bowden, C. D. K. Herd, B. O. Mysen, S. B. Shirey, H. E. F. Amundsen, A. H. Treiman, E. S. Bullock, A. J. T. Jull, A Reduced Organic Carbon Component in Martian Basalts. Science 337, 212-215 (2012)

Steele, A., L. G. Benning, R. Wirth, A. Schreiber, T. Araki, F. M. McCubbin, M. D. Fries, L. R. Nittler, J. Wang, L. J. Hallis, P. G. Conrad, C. Conley, S. Vitale, A. C. O’Brien, V. Riggi, and K. Rogers, Organic synthesis associated with serpentinization and carbonation on early Mars, Science 375, 172-177, 2022. https://doi.org/10.1126/science.abg7905

Stroud, R. M., L. R. Nittler, and C. M. O. Alexander, Polymorphism in presolar Al2O3 grains from asymptotic giant branch stars, Science 305 (no. 5689), 1455-1457, 2004. http://dx.doi.org/10.1126/science.1101099

Tachibana, S., H. Sawada, R. Okazaki, Y. Takano, K. Sakamoto, Y. N. Miura, C. Okamoto, H. Yano, S. Yamanouchi, P. Michel, Y. Zhang, S. Schwartz, F. Thuillet, H. Yurimoto, T. Nakamura, T. Noguchi, H. Yabuta, H. Naraoka, A. Tsuchiyama, N. Imae, K. Kurosawa, A. M. Nakamura, K. Ogawa, S. Sugita, T. Morota, R. Honda, S. Kameda, E. Tatsumi, Y. Cho, K. Yoshioka, Y. Yokota, M. Hayakawa, M. Matsuoka, N. Sakatani, M. Yamada, T. Kouyama, H. Suzuki, C. Honda, T. Yoshimitsu, T. Kubota, H. Demura, T. Yada, M. Nishimura, K. Yogata, A. Nakato, M. Yoshitake, A. I. Suzuki, S. Furuya, K. Hatakeda, A. Miyazaki, K. Kumagai, T. Okada, M. Abe, T. Usui, T. R. Ireland, M. Fujimoto, T. Yamada, M. Arakawa, H. C. Connolly, A. Fujii, S. Hasegawa, N. Hirata, N. Hirata, C. Hirose, S. Hosoda, Y. Iijima, H. Ikeda, M. Ishiguro, Y. Ishihara, T. Iwata, S. Kikuchi, K. Kitazato, D. S. Lauretta, G. Libourel, B. Marty, K. Matsumoto, T. Michikami, Y. Mimasu, A. Miura, O. Mori, K. Nakamura-Messenger, N. Namiki, A. N. Nguyen, L. R. Nittler, H. Noda, R. Noguchi, N. Ogawa, G. Ono, M. Ozaki, H. Senshu, T. Shimada, Y. Shimaki, K. Shirai, S. Soldini, T. Takahashi, Y. Takei, H. Takeuchi, R. Tsukizaki, K. Wada, Y. Yamamoto, K. Yoshikawa, K. Yumoto, M. E. Zolensky, S. Nakazawa, F. Terui, S. Tanaka, T. Saiki, M. Yoshikawa, S. Watanabe, and Y. Tsuda, Pebbles and sand on asteroid (162173) Ryugu: in situ observation and particles returned to Earth, Science 375, 1011-1016, 2022. https://doi.org/10.1126/science.abj8624

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Analytical facilities available to postdocs and visitors

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), 

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

Gas source stable isotope mass spectrometry: Thermo-Fisher Delta V Plus with Carlo Erba elemental analyzer

Scanning electron miscroscopy (SEM):   Zeiss Auriga™ SEM

Electron probe microanalysis (EPMA):   JOEL Field Emission EPMA 

Focussed Ion Beam (FIB):  FEI Gallium Plasma FIB 

X-ray diffraction, powder and single crystal: Bruker D8 Venture™, Bruker D8 Discover™

Raman Spectroscopy:  WiTec confocal Raman

Cathodoluminescence: NewTech Cathodyne™ cathodoluminescence system

Experimental Capabilities:  Piston cylinder, multi-anvil, diamond anvil, electrical conductivity

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