Igor S. Puchtel
Curriculum Vitae

Assistant Research Scientist and Laboratory Manager
Isotope Geochemistry Laboratory
Department of Geology
University of Maryland College Park

Phone: (301) 405-4054
e-mail: ipuchtel@umd.edu
http://www.geol.umd.edu/pages/faculty/PUCHTEL/puchtel.htm

Education

Employment

Society Memberships
American Geophysical Union - since 1997
European Union of Geosciences - since 1995
Geochemical Society - since 2002

Awards and Honors
1990 Max-Planck Institut für Chemie Fellowship, Germany
1994 Russian Academy of Sciences Award for Outstanding Scientists
1995 - 1996 Alexander von Humboldt Fellowship, Germany
1997 - 1998 Max-Planck-Institut für Chemie Fellowship, Germany
1997 NAUKA International Academic Publishing Company Award for Best Research Paper

Scientific Interests
Chemical and temporal evolution of the Earth's mantle and core, late accretion in the solar system. Studies of radiogenic isotope systems, including Rb-Sr, Sm-Nd, U-Pb, Pb-Pb, Re-Os, and Pt-Os, and lithophile and highly siderophile element abundances in various types of materials derived from diverse geological processes, using inductively coupled plasma mass-spectrometry (ICP-MS) and thermal iuonization mass-spectrometry (TIMS).

Professional activities and laboratory experience
1989 Organized and guided an International Fieldtrip and Workshop on the most Ancient Rocks in the Aldan and Ukrainian Shields in Russia.
1994 Member of the Scientific Council, Institute of Ore Deposit Geology, Petrology, Mineralogy and Geochemistry (IGEM).
1994 Official referee of an academic dissertation at the Institute of Precambrian Geology and Geochronology.
1990 - present Reviewed manuscripts for Geochimica et Cosmochimica Acta, Journal of Petrology, Contributions to Mineralogy and Petrology, Chemical Geology, GSA Today, Precambrian Research, Petrology, International Geology Review.
2002 - present Reviewed proposals for the US National Science Foundation.
1986 - 1998 IGEM, Moscow; Max-Planck-Institut für Chemie and Johannes-Gutenberg Universität, Mainz; Universität zu Köln. Electron Microprobe and XRF-analysis. Application of ICP-MS and thermal ionization mass spectrometry for the analysis of rare earth elements, and the Sm-Nd, Rb-Sr, Pb-Pb and Re-Os isotope systems in terrestrial rocks.
1999 2004 The University of Chicago. Application of ID-ICP-MS for analysis of highly siderophile elements and for studies of the Re-Os and Pt-Os isotope systems in terrestrial and extraterrestrial materials.
2001 - 2002 - Invited, keynote speaker at the 2001 AGU Fall Meeting (San Francisco, USA) and the 2002 V.M. Goldschmidt Conference (Davos, Switzerland).
2001 - 2006 Co-PI on NSF EAR-0106974 and EAR-0309786.
2002 - present - Associate Editor, Bulletin of the Geological Society of Finland

Publications
Total number of citations listed @ http://www.webofscience.com/ as of 09/07/2006: 611

Selected Books and articles in Journals

Brandon, A.D., Walker. R.J., and Puchtel, I.S (2006) Platinum-osmium isotope evolution of the Earth’s mantle: Constraints from chondrites and Os-rich alloys. Geochim. Cosmochim. Acta 70: 2093-2103.

Puchtel, I.S., Humayun, M., and Walker, R.J. (2006) Os-Pb-Nd isotope and lithophile and siderophile trace element systematics of komatiitic rocks from the Volotsk suite, SE Baltic Shield. Precambrian Res. (submitted).

Brandon, A.D., Humayun, M., Puchtel, I.S., Leya, I, and Zolensky, M. (2005) Osmium isotope evidence for an S-process carrier in primitive chondrites. Science 309: 1233-1236.

Puchtel, I.S., Brandon, A.D., Humayun, M., and Walker, R.J (2005) Evidence for the early differentiation of the core from Pt-Re-Os isotope systematics of 2.8-Ga komatiites. Earth Planet. Sci. Lett. 237: 118-134.

Brandon, A.D., Humayun, M., Puchtel, I.S., and Zolensky, M. (2005) Re-Os isotopic systematics and platinum-group-element composition of the Tagish Lake carbonaceous chondrite. Geochim. Cosmochim. Acta 69: 1619-1631.

Puchtel, I.S., Humayun, M. (2005) Highly siderophile element geochemistry of 187Os-enriched 2.8-Ga Kostomuksha komatiites Baltic Shield. Geochim. Cosmochim. Acta 69: 1607-1618.

Puchtel, I.S. (2004) 3.0 Ga Olondo greenstone belt in the Aldan Shield, E. Siberia. In: Kusky T. and Condie K.C. (Eds.) Precambrian Ophiolites and Related Rocks. Developments in Precambrian Geology XX. Elsevier, Amsterdam, pp. 405-423.

Puchtel, I.S., Brandon, A.D., and Humayun, M. (2004) Precise Pt-Re-Os isotope systematics of the mantle from 2.7 Ga komatiites. Earth Planet. Sci. Lett. 224: 157-174.

Puchtel, I.S., Humayun, M., Campbell, A.J., Sproule, R.A., Lesher, C.M. (2004) Platinum group element geochemistry of komatiites from the Alexo and Pyke Hill areas, Ontario, Canada. Geochim. Cosmochim. Acta 68: 1361-1383.

Brandon A.D., Walker R.J., Puchtel I.S., Becker H., Humayun M. and Revillon S. (2003) ¹⁸⁶Os-¹⁸⁷Os systematics of Gorgona Island komatiites: Implications for early growth of the inner core. Earth Planet. Sci. Lett. 206: 411-426.

Puchtel, I.S., Humayun, M. (2001) Platinum group element fractionation in a komatiitic basalt lava lake. Geochim. Cosmochim. Acta 65: 2979-2993.

Puchtel, I.S., Brügmann, G.E., Hofmann, A.W. (2001) ¹⁸⁷Os-enriched domain in an Archaean mantle plume: Evidence from 2.8 Ga komatiites of the Kostomuksha greenstone belt, NW Baltic Shield. Earth Planet. Sci. Lett. 186: 513-526.

Puchtel, I.S., Brügmann, G.E., Hofmann, A.W., Kulikov, V.S., Kulikova, V.V. (2001) Os isotope systematics of komatiitic basalts from the Vetreny belt, Baltic Shield: Evidence for a chondritic source of a 2.45 Ga plume. Contrib. Mineral. Petrol. 140: 588-599.

Puchtel, I.S., Humayun, M. (2000) Platinum group elements in Kostomuksha komatiites and basalts: Implications for oceanic crust recycling and core-mantle interaction. Geochim. Cosmochim. Acta 64: 4223-4238.

Puchtel, I.S., Brügmann, G.E., and Hofmann, A.W. (1999) Precise Re-Os mineral isochron and Pb-Nd-Os isotope systematics of a mafic-ultramafic sill in the 2.0 Ga Onega plateau (Baltic Shield). Earth Planet. Sci. Lett. 170: 447-461.

Puchtel, I.S., Hofmann, A.W., Amelin, Yu.V., Garbe-Schönberg, C.-D., Samsonov, A.V., and Shchipansky, A.A. (1999) Combined mantle plume - island arc model for the formation of the 2.9 Ga Sumozero-Kenozero greenstone belt, SE Baltic Shield: Isotope and trace element constraints. Geochim. Cosmochim. Acta 63: 3579-3595.

Puchtel, I.S., Hofmann, A.W., Mezger, K., Jochum, K.P., Shchipansky, A.A., and Samsonov, A.V. (1998) Oceanic plateau model for continental crustal growth in the Archaean: A case study from the Kostomuksha greenstone belt, NW Baltic Shield. Earth Planet. Sci. Lett. 155: 57-74.

Puchtel, I.S., Arndt, N.T., Hofmann, A.W., Haase, K.M., Kröner, A., Kulikov, V.S., Kulikova, V.V., Garbe-Schönberg, C.-D., and Nemchin, A.A. (1998) Petrology of mafic lavas within the Onega plateau, central Karelia: Evidence for 2.0 Ga plume-related continental crustal growth in the Baltic Shield. Contrib. Mineral. Petrol. 130: 134-153.

Puchtel, I.S., Haase, K.M., Hofmann, A.W., Chauvel, C., Kulikov, V.S., Garbe-Schönberg, C.-D., and Nemchin, A.A. (1997) Petrology and geochemistry of crustally contaminated komatiitic basalts from the Vetreny Belt, southeastern Baltic Shield: Evidence for an early Proterozoic mantle plume beneath rifted Archean continental lithosphere. Geochim. Cosmochim. Acta 61: 1205-1222.

Puchtel, I.S., Hofmann, A.W., Jochum, K.P., Mezger, K., Shchipansky, A.A., and Samsonov, A.V. (1997) The Kostomuksha greenstone belt, NW Baltic Shield: Remnant of a Late Archean oceanic plateau? Terra Nova 9: 87-90.

Puchtel, I.S., Shchipansky, A.A., Samsonov, A.V., and Zhuravlev, D.Z. (1997) The Karelian granite-greenstone terrain in Russia. In: deWit, M.J. and Ashwal, L.D. (eds), Greenstone Belts. Clarendon Press, Oxford, pp. 699-706.

Puchtel, I.S., Hofmann, A.W., Mezger, K., Shchipansky, A.A., Kulikov, V.S., and Kulikova, V.V. (1996) Petrology of a 2.41 Ga remarkably fresh komatiitic basalt lava lake in Lion Hills, Central Vetreny Belt, Baltic Shield. Contrib. Mineral. Petrol. 124: 273-290.

Kovalenko, V.I., Puchtel, I.S., Yarmolyuk, V.V., Zhuravlev, D.Z., Stosch, H.-G., and Jagoutz, E. (1996) The Sm-Nd isotope systematics of ophiolites in the Ozernaya Zone (Mongolia). Stratigraphy and Geological Correlation 4: 107-113.

Kovalenko, V.I., Yarmolyuk, V.V., Puchtel, I.S., Stosch, H.-G., Jagoutz, E., and Korikovsky, S.P. (1996) Igneous rocks and magma sources of the Ozernaya Zone ophiolites, Mongolia. Petrology 4: 420-459.

Puchtel, I.S., Bogatikov, O.A., Kulikov, V.S., Kulikova, V.V., and Zhuravlev, D.Z. (1995) The role of crustal and mantle sources in the petrogenesis of continental magmatism: Evidence from isotope and geochemical study of the early Proterozoic picrites from the Onega plateau, Baltic Shield. Petrology 3: 397-419.

Stosch, H.-G., Ionov, D.A., Puchtel, I.S., Galer, S.J.G., and Sharpouri, A. (1995) Lower crustal xenoliths from Mongolia and their bearing on the nature of the deep crust beneath central Asia. Lithos 36: 227-242.

Puchtel, I.S., Zhuravlev, D.Z., Samsonov, A.V., and Arndt, N.T. (1993) Petrology and Geochemistry of Metamorphosed Komatiites and Basalts from the Tungurcha Greenstone Belt, Aldan Shield. Precambrian Research 62: 399-417.

Puchtel, I.S., and Zhuravlev, D.Z. (1993) Nd-isotope systematics and petrogenesis of the Early Proterozoic picrites in the Olekma granite-greenstone region. Geochemistry International 30: 37-49.

Samsonov, A.V., Puchtel, I.S., Zhuravlev, D.Z., and Chernyshev, I.V. (1993) Geochronology of the Archaean Auli Gneiss Complex and the Problem of the Basement under the Greenstone Belts in the Ukrainian Shield. Petrology 1: 29-49.

Puchtel, I.S. and Zhuravlev, D.Z. (1993) Petrology of mafic-ultramafic metavolcanics and related rocks from the Olondo greenstone belt, Aldan Shield. Petrology 1: 306-344.

Puchtel, I.S., Bogatikov, O.A., and Simon, A.K. (1993) The Early Precambrian crust-mantle evolution of the Olekma gneiss-greenstone terrane, Aldan Shield. Petrology 1: 499-523.

Puchtel, I.S., Zhuravlev, D.Z., and Kulikova, V.V. (1993) Petrology and Sm-Nd and Pb-Pb systematics of the Early Archean highly magnesian metavolcanics of the Vodla Block, Baltic Shield. International Geology Review 35: 825-839.

Puchtel, I.S., Zhuravlev, D.Z., and Samsonov, A.V. (1992) Petrology and geochemistry of komatiite and metabasalt in the Tungurcha greenstone belt, Aldan Shield. Geochemistry International 29: 77-93.

Puchtel, I.S. (1992) Petrology of Mafic-Ultramafic Rocks and Evolution of the Crust-Mantle System in the early Precambrian of the Olekma gneiss-greenstone terrain, Aldan Shield. Academic Dissertation, Institute of Ore Deposit Geology, Petrology, Mineralogy and Geochemistry, Russian Academy of Sciences, Moscow, 280 p.

Puchtel, I.S., Zhuravlev, D.Z., Kulikov, V.S., and Kulikova, V.V. (1991) Petrography and Sm-Nd age of a differentiated sheet of komatiitic basalt in the Vetra belt, Baltic Shield. Geochemistry International 28: 14-23.

Kepezhinskas, P.K., Kepezhinskas, K.B., and Puchtel, I.S. (1991) Lower Paleozoic oceanic crust in Mongolian Caledonides: Sm-Nd isotope and trace element data. Geophys. Research Letters 18: 1301-1304.

Puchtel, I.S., Frikh-Khar, D.I., Ashikhmina, N.A., Tomashpol'sky, Yu.Ya, and Shirina, N.G. (1991) Metamorphic olivines in ultramafic rocks of the Olondo greenstone belt and the komatiite identification problem. International Geology Review 33: 161-173.

Puchtel, I.S. (1990) Comparative petrology of the oldest ultramafic rocks of the Earth and Moon. In: Sharkov, E.V. (Ed.). Magmatism of the Earth and the Moon. The Results of Comprehensive Study. Nauka, Moscow, pp. 153-175.

Bogatikov, O.A., Girnis, A.V., Puchtel, I.S., Ryabchikov, I.D., and Simon, A.K. (1989) Evolution of komatiite magmas. In: Bogatikov, O.A. et al. (Eds.). Igneous Rocks in the Earth's History. Nauka, Moscow, pp. 32-37.

Puchtel, I.S., Samsonov, A.V., Simon, A.K., and Zhuravlev, D.Z. (1989) Petrology, geochemistry and Sm-Nd age of metavolcanics from the Olondo greenstone belt. In: Dook, V.L., Neymark, L.A., Rudnik, V.A, and Kröner, A. (Eds.). The Oldest Rocks from the Aldan-Stanovic Shield, eastern Siberia, USSR. Excursion Guide for the International Geological Fieldtrip. Leningrad-Mainz, pp. 27-35.

Puchtel, I.S., Samsonov, A.V., Simon, A.K., and Zhuravlev, D.Z. (1989) Geology, geochemistry and Sm-Nd geochronology of the oldest rocks from the Olekma granite-greenstone terrain. In: Dook, V.L., Neymark, L.A., Rudnik, V.A, and Kroner, A. (Eds.). The Oldest Rocks from the Aldan-Stanovic Shield, eastern Siberia, USSR. Excursion Guide for the International Geological Fieldtrip. Leningrad-Mainz, pp. 57-62.

Zhuravlev, D.Z., Puchtel, I.S., and Samsonov, A.V. (1989) Sm-Nd age and geochemistry of metavolcanics from the Olondo greenstone belt, Aldan Shield. Izvestiya Akad. Nauk SSSR, Ser. Geol. 2: 32-49.

Drugova, G.M., Puchtel, I.S., Shustova, L.E., and Berezhnaya, N.G. (1988) Olondo greenstone belt, Aldan Shield. Izvestiya Akad. Nauk SSSR, Ser. Geol. 8: 40-56.

Puchtel, I.S. and Simon, A.K. (1988) Precambrian ultramafic metavolcanics of greenstone belts. In: Laz'ko, E.E. and Sharkov, E.V. (Eds.) Igneous Rocks, vol. V (Ultramafic rocks). Nauka, Moscow, pp. 230-248.

Sharkov, E.V. and Puchtel, I.S. (1987) Mineralogy of eclogites and eclogite-like rocks from the Elovyi Island eruption pile, Kola Peninsula. In: Mantle Xenoliths and the Structure of the Lithosphere. Nauka, Moscow, pp. 127-147.

Zhuravlev, D.Z., Puchtel, I.S., Samsonov, A.V., and Simon, A.K. (1987) Sm-Nd age of basement relicts of granite-greenstone zone of the Middle Dnieper region. Trans. USSR Acad. Sci. 294: 192-196.

Zhuravlev, D.Z., Puchtel, I.S., Samsonov, A.V., and Simon, A.K. (1987) Sm-Nd and Rb-Sr isotopic systems in amphibolites and plagiogneisses from the Aulskaya "Series" of the Middle Dnieper region. Trans. USSR Acad. Sci. 294: 1456-1461.

Zhuravlev, D.Z., Puchtel, I.S., Samsonov, A.V., and Simon, A.K. (1987) Sm-Nd age of metavolcanics from the Sura greenstone structure, the Middle Dnieper region. Trans. USSR Acad. Sci. 295: 703-707.

Sharkov, E.V. and Puchtel, I.S. (1986) Petrology of eclogites and eclogite-like rocks from the Elovyi Island eruption pile, Kola Peninsula. Izv. Akad. Nauk SSSR, Ser. Geol. 8: 32-45.

Sharkov, E.V. and Puchtel, I.S. (1985) Origin of subalkaline and alkaline basaltic magmas from evolution of picrobasaltic melt. Izv. Akad. Nauk SSSR, Ser. Geol. 4: 121-124.

Selected Published Contributions to Academic Conferences

Puchtel, I.S., Walker, R.J., James, O.B. (2006) Further study of ¹⁸⁷Os/¹⁸⁸Os and highly siderophile element systematics of Apollo 14 &17 impact melt rocks. LPSC #1707.

Puchtel, I.S., Brandon, A.D., Humayun, M., and Walker, R.J., (2005) Pt-Re-Os isotope and HSE systematics of 2.8 Ga komatiites. 15^th V. M. Goldschmidt Conference, Moscow, Idaho, USA, Geochim. Cosmochim. Acta 69, A392

Puchtel, I.S., Walker, R.J., James, O.B. (2005) ¹⁸⁷Os/¹⁸⁸Os and highly siderophile element systematics of Apollo 17 aphanitic melt rocks. LPSC, Abstract #1707.

Brandon, A.D., Walker, R.J., Puchtel, I.S. Humayun, M. (2005) Platinum-osmium isotope evolution of the Earth's mantle. 15^th V. M. Goldschmidt Conference, Moscow, Idaho, USA, Geochim. Cosmochim. Acta 69, A392

Puchtel I.S., Brandon, A.D., Humayun M. (2003) Precise Pt-Re-Os and HSE systematics of 2.7 Ga Pyke Hill komatiites, Canada. Fall AGU Meeting, Abstract #.

Puchtel I.S., Humayun M., Campbell A.J., Sproule R. and Lesher C.M. (2002) PGEs in Abitibi komatiites. 12^th V. M. Goldschmidt Conference, Davos, Switzerland, Geochim. Cosmochim. Acta 66, A616 (INVITED).

Puchtel, I.S. and Humayun, M. (2001) Platinum-group element abundances in komatiitic liquidus minerals. Eos. Trans. AGU, Fall Meet. Suppl., 82(47), pp. F1307 (INVITED).

Puchtel, I.S. and Humayun, M. (1999) Platinum group elements in the 2.8 Ga Kostomuksha greenstone belt. V.M. Goldschmidt Conference, Cambridge, MA, p. 234-235.

Puchtel, I.S., Hofmann, A.W., Samsonov, A.V., and Shchipansky, A. (1999) Combined hotspot-island arc model for the formation of the 2.9 Ga Sumozero-Kenozero greenstone belt, SE baltic Shield: EUG-10, Strasbourg, Cambridge Publications, p. 143.

Puchtel, I.S., Hofmann, A.W., and Brügmann, G.E. (1998) A ¹⁸⁷Os-enriched domain in an Archaean mantle plume: Evidence from 2.8 Ga komatiites of the Kostomuksha greenstone belt, NW Baltic Shield. AGU Fall Meeting, San Francisco, American Geophysical Union, p. F966.

Puchtel, I.S., Brügmann, G.E., and Hofmann, A.W. (1998) Os isotope heterogeneity in ancient mantle plumes: Evidence from the 2.0 Ga Onega plateau lavas, Baltic Shield. AGU Spring Meeting, Boston, MA, American Geophysical Union, p. S372.

Puchtel, I.S., Hofmann, A.W., Jochum, K.P., Mezger, K., Shchipansky, A.A., and Samsonov, A.V. (1997) Obducted fragments of an oceanic plateau within the 2.8 Ga Kostomuksha greenstone belt, NW Baltic Shield. EUG-9, Strasbourg, Cambridge Publications, p. 58.

Puchtel, I.S., Jochum, K.P., Mezger, K., Shchipansky, A.A., and Samsonov, A.V. (1996) 2.8 Ga komatiite-basalt sequence within the Kostomuksha greenstone belt, Baltic Shield: A remnant of an Archaean oceanic plateau obducted onto an ancient continental margin: V.M. Goldschmidt Conference, Heidelberg, Cambridge Publications, p. 488.

Puchtel, I.S., Samsonov, A.V., Shchipansky, A.A., and Furman, V.N. (1996) Accretion tectonics within the Karelian granite-greenstone terrane: Evidence from the field and isotope-geochemical data for two distinct terranes within the Kostomuksha greenstone belt: Fennoscandian Geological Correlation, Russian Federation Comittee on Geology and Mineral Resources, St. Petersburg, p. 163-165.

Puchtel, I.S. and Zhuravlev, D.Z. (1989) Petrology and geochemistry of the early and late Archaean komatiites from the Olekma granite-greenstone terrain. 28th IGC, Washington, D.C., vol. 2, pp. 643-644.