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Hire Dr. Stephen M.
Hungary
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Freelance Geochemist, Geobiologist & Solid-state Physicist with 25+ years of experience in Research and Academia
Profile Summary
Subject Matter Expertise
Services
Writing
Technical Writing
Research
Feasibility Study,
Fact Checking,
Scientific and Technical Research,
Systematic Literature Review
Consulting
Scientific and Technical Consulting
Data & AI
Predictive Modeling,
Statistical Analysis,
Data Insights
Product Development
Formulation
Work Experience
University of Colorado Boulder
- Present 
Honorary Professor
Eötvös Loránd University
January 2023 - Present
Director
Research Centre for Astronomy and Earth Sciences
April 2021 - Present
Education
Ph.D. (Scripps Institution of Oceanography)
University of California San Diego
September 1992 - November 1997
M.A. (Department of Geology)
Boston University
January 1988 - June 1992
B.A. (Department of Geology)
Boston University
September 1983 - January 1988
Certifications
- Certification details not provided.
Publications
JOURNAL ARTICLE
Claire I. O. Nichols, Benjamin P. Weiss, Athena Eyster, Craig R. Martin, Adam C. Maloof, Nigel M. Kelly, Mike J. Zawaski, Stephen J. Mojzsis, E. Bruce Watson, Daniele J. Cherniak (2024). Possible Eoarchean Records of the Geomagnetic Field Preserved in the Isua Supracrustal Belt, Southern West Greenland . Journal of Geophysical Research: Solid Earth.
Rob J. Spaargaren, Haiyang S. Wang, Stephen J. Mojzsis, Maxim D. Ballmer, Paul J. Tackley (2023). Plausible Constraints on the Range of Bulk Terrestrial Exoplanet Compositions in the Solar Neighborhood . The Astrophysical Journal.
Elif S. Köksal, Inga Põldsalu, Henrik Friis, Stephen J. Mojzsis, Martin Bizzarro, Irep Gözen(2022). Spontaneous Formation of Prebiotic Compartment Colonies on Hadean Earth and Pre‐Noachian Mars** . ChemSystemsChem. Wiley
Elif S. Köksal, Inga Põldsalu, Henrik Friis, Stephen J. Mojzsis, Martin Bizzarro, Irep Gözen(2022). Spontaneous Formation of Prebiotic Compartment Colonies on Hadean Earth and Pre‐Noachian Mars . ChemSystemsChem. Wiley
Elif S. Köksal, Inga Põldsalu, Henrik Friis, Stephen J. Mojzsis, Martin Bizzarro, Irep Gözen(2022). Front Cover: Spontaneous Formation of Prebiotic Compartment Colonies on Hadean Earth and Pre‐Noachian Mars (ChemSystemsChem 3/2022) . ChemSystemsChem. Wiley
J. Mah, R. Brasser, J. M. Y. Woo, A. Bouvier, S. J. Mojzsis(2022). Evidence of a primordial isotopic gradient in the inner region of the solar protoplanetary disc . Astronomy & Astrophysics. 660. p. A36. {EDP} Sciences
Haiyang S. Wang, Charles H. Lineweaver, Sascha P. Quanz, Stephen J. Mojzsis, Trevor R. Ireland, Paolo A. Sossi, Fabian Seidler, Thierry Morel(2022). A Model Earth-sized Planet in the Habitable Zone of α Centauri A/B . The Astrophysical Journal. 927. (2). p. 134. American Astronomical Society
Thomas Grocolas, Pierre Bouilhol, Guillaume Caro, Stephen J. Mojzsis(2022). Eoarchean subduction-like magmatism recorded in 3750 Ma mafic–ultramafic rocks of the Ukaliq supracrustal belt (Québec) . Contributions to Mineralogy and Petrology. 177. (3). Springer Science and Business Media {LLC}
Habitable potentials <head>
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Mike J. Zawaski, Nigel M. Kelly, Omero Felipe Orlandini, Claire I.O. Nichols, Abigail C. Allwood, Stephen J. Mojzsis (2021). Reply: The Isua (Greenland) “relict stromatolites” cannot be confidently interpreted as original sedimentary structures . Earth and Planetary Science Letters.
Patrick R. Morrison, Stephen J. Mojzsis(2021). Tracing the Early Emergence of Microbial Sulfur Metabolisms . Geomicrobiology Journal. 38. (1). p. 66--86. Informa {UK} Limited
H. S. Wang, T. Morel, S. P. Quanz, S. J. Mojzsis(2020). Europium as a lodestar: diagnosis of radiogenic heat production in terrestrial exoplanets . Astronomy & Astrophysics. {EDP} Sciences
Reappraisal of purported ca. 3.7 Ga stromatolites from the Isua Supracrustal Belt (West Greenland) from detailed chemical and structural analysis <head>
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Dougal J. Ritson, Stephen J. Mojzsis, John. D. Sutherland(2020). Supply of phosphate to early Earth by photogeochemistry after meteoritic weathering . Nature Geoscience. 13. (5). p. 344--348. Springer Science and Business Media {LLC}
The partitioning of the inner and outer Solar System by a structured protoplanetary disk <head>
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(2019). Mars in the aftermath of a colossal impact . Icarus.
Stephen J. Mojzsis, Ramon Brasser, Nigel M. Kelly, Oleg Abramov, Stephanie C. Werner (2019). Onset of Giant Planet Migration before 4480 Million Years Ago . The Astrophysical Journal.
R. Brasser, N. Dauphas, S. J. Mojzsis (2018). Jupiter's Influence on the Building Blocks of Mars and Earth . Geophysical Research Letters.
S.J. Mojzsis, O. Abramov, E.A. Frank, R. Brasser(2018). Thermal effects of late accretion to the crust and mantle of Mercury . Earth and Planetary Science Letters. 482. p. 536--544. Elsevier {BV}
Nigel M. Kelly, Rebecca M. Flowers, James R. Metcalf, Stephen J. Mojzsis(2018). Late accretion to the Moon recorded in zircon (U–Th)/He thermochronometry . Earth and Planetary Science Letters. 482. p. 222--235. Elsevier {BV}
H. Genda, R. Brasser, S.J. Mojzsis(2017). The terrestrial late veneer from core disruption of a lunar-sized impactor . Earth and Planetary Science Letters. 480. p. 25--32. Elsevier {BV}
R. Brasser, S. J. Mojzsis(2017). A colossal impact enriched Mars' mantle with noble metals . Geophysical Research Letters. 44. (12). p. 5978--5985. American Geophysical Union ({AGU})
Hynek, B.M., Mojzsis, S.J. (2017) The great Mars climate paradox redux. Geology. doi:10.1130/ focus102016Y.1.
Petrash, D.A., Robbins, L.J., Shapiro, R.S., Mojzsis, S.J., Konhauser, K.O. (2016) Chemical and textural overprinting of ancient stromatolites: timing, processes, and implications for their use as paleoenvironmental proxies. Precambrian Research 278: 145-160.
Brasser, R., Matsumura, S., Ida, S., Mojzsis, S.J., Werner, S.C. (2016) Analysis of terrestrial planet formation by the Grand Tack model: System architecture and tack location. Astrophysical Journal 821:75.
Abramov, O. and Mojzsis, S.J. (2016) FRONTIERS PAPER: Thermal effects of impact bombardments on Noachian Mars. Earth and Planetary Science Letters 442, 108-120.
Frank, E.A., Maier, W.D. and Mojzsis, S.J. (2016) Highly siderophile element abundances in Eoarchean komatiite and basalt protoliths. Contributions to Mineralogy and Petrology 171: 29.
Brasser, R., Mojzsis, S.J., Werner, S.C., Matsumura, S., Ida, S. (2016) Late veneer and late accretion to the terrestrial planets. Earth and Planetary Science Letters 455:85-93.
Caro, G., Morino, P., Mojzsis, S.J., Cates, N.L., Bleeker, W. (2016) Sluggish Hadean geodynamics: Evidence from coupled 146,147Sm-142,143Nd systematics in Eoarchean supracrustal rocks of the Inukjuak domain (Québec). Earth and Planetary Science Letters 457:23-37.
Hopkins, M.D., Mojzsis, S.J. Bottke, W.F. and Abramov, O. (2015) Micrometer-scale U- Pb age domains in eucrite zircons, impact re-setting and the thermal history of the HED parent body. Icarus. 245, 367-378.
Polgári, M., Németh, T., Pál-Molnár, E., Futó, I., Vigh, T. and Mojzsis, S.J. (2015) Correlated chemostratigraphy of manganese-carbonate microbialites (Úrkút, Hungary). Gondwana Research 29: 278-289.
Guitreau, M., Blichert-Toft, J., Mojzsis, S.J., Roth, A.S.G., Bourdon, B., Cates, N.L. and Bleeker, W. (2014) The Lu-Hf isotope system in the Acasta Gneiss Complex (Northwest Territories, Canada) Geochimica et Cosmochimica Acta 135, 251-269.
Swanner, E.D., Planavsky, N.J., Lalonde, S.V., Robbins, L.J., Bekker, A., Rouxel, O.J., Kappler, A., Mojzsis, S.J. and Konhauser, K.O. (2014) Cobalt and marine redox evolution. Earth and Planetary Science Letters 390, 253-263.
Mojzsis, S.J., Cates, N.L., Bleeker, W., Hopkins, M.D., Guitreau, M., Blichert-Toft, J., Trail, D. and Abramov, O. (2014) Component geochronology of the ca. 3920 Ma Acasta Gneiss. Geochimica et Cosmochimica Acta 133, 68-96.
Frank, E.A., Meyer, B. and Mojzsis, S.J. (2014) A radiogenic heating model for cosmochemically Earth-like exoplanets. Icarus 243, 274-286.
Roth, A.S.G., Bourdon, B., Mojzsis, S.J., Touboul, M., Sprung, P., Guitreau, M. and Blichert-Toft, J. (2013) Inherited 142Nd anomalies in Eoarchean protoliths. Earth Planet. Sci. Lett. 361, 50-57.
Guitreau, M., Blichert-Toft, J., Mojzsis, S.J., Roth, A.S.G. and Bourdon, B. (2013) A legacy of Hadean silicate differentiation inferred from Hf isotopes in Eoarchean rocks of the Nuvvuagittuq supracrustal belt (Quebec, Canada). Earth Planet. Sci. Lett. 362, 171-181.
Cates, N.L., Mojzsis, S.J., Ziegler, K. and Schmitt, A.K. (2013) Reduced, reused and recycled: Detrital zircons define a maximum age for the Eoarchean (ca. 3750-3780 Ma) Nuvvuagittuq supracrustal belt, Québec (Canada) Earth. Planet. Sci. Lett. 362, 283-293.
Mloszewska, A.M., Mojzsis, S.J., Pecoits, E., Papineau, D., Dauphas, N. and Konhauser, K.O. (2013) Chemical sedimentary protoliths of the >3.75 Ga Nuvvuagittuq Supracrustal Belt (Quebec, Canada). Gondwana Research 23, 574-594.
Abramov, O., Kring, D.A., and Mojzsis, S.J. (2013) INVITED REVIEW: The impact environment of the Hadean Earth. Chemie der Erde-geochemistry 73: 227-248.
Swanner, E.D., Cates, N.L., Pecoits, E., Bekker, A., Konhauser, K.O. and Mojzsis, S.J. (2013) Geochemistry of pyrite from diamictites of the Boolgeeda Iron Formation, Western Australia with implications for the GOE and Paleoproterozoic ice ages. Chemical Geology 362, 131-142.
Abbott, S.S., Harrison, T.M., Schmitt, A.K. and Mojzsis, S.J. (2012) A search for thermal excursions from ancient extraterrestrial impacts using Hadean zircon Ti-U-Th-Pb depth profiles. Proc. Nat. Acad. Sci. 109, 13486-13492.
Guitreau, M. Blichert-Toft, J., Martin, H., Mojzsis, S.J. and Albarède, F. (2012) Hafnium isotope evidence from Archean granitic rocks for deep-mantle origin of continental crust. Earth and Planetary Science Letters 337-338, 211-223.
Mloszewska, A.M., Pecoits, E., Cates, N.L., Mojzsis, S.J., O’Neil, J., Robbins, L.J. and Konhauser, K.O. (2012) The composition of Earth oldest iron formations: The Nuvvuagittuq Supracrustal Belt (Quebec, Canada). Earth and Planetary Science Letters 317, 331-342.
Maier, A.C., Cates, N.L., Trail, D. and Mojzsis, S.J. (2012) Geology, age and field relations of Hadean zircon-bearing supracrustal rocks from Quad Creek, eastern Beartooth Mountains (Montana and Wyoming, USA). Chemical Geology 312, 47-57.
Konhauser, K.O., Lalonde, S.V., Planavsky, N., Pecoits, E., Lyons, T.W., Mojzsis, S.J., Rouxel, O.J., Barley, M.E., Rosiere, C., Fralick, P.W., Kump, L.R. and Bekker, A. (2011). Aerobic bacterial pyrite oxidation and acid rock drainage during the Great Oxidation Event. Nature 478, 369-373.
Abramov, O. and Mojzsis, S.J. (2011) Abodes for life in carbonaceous asteroids? Icarus 213, 273-279.
Papineau, D., DeGregorio, B.T., Cody, G.D., Fries, M.D., Mojzsis, S.J., Steele, A., Stroude, R.M. and Fogel, M.L. (2010) Ancient graphite in Eoarchean quartz-pyroxene rocks from Akilia, West Greenland I: Petrographic and spectroscopic characterization. Geochimica et Cosmochimica Acta 74, 5862-5883.
Cates, N.L. and Mojzsis, S.J. (2009) Metamorphic zircon, trace elements and Neoarchean metamorphism in the ca. 3.75 Ga Nuvvuagittuq supracrustal belt, Québec (Canada). Chemical Geology 261, 98-113.
Abramov, O. and Mojzsis, S.J. (2009) Microbial habitability of the terrestrial biosphere during the late heavy bombardment. Nature 459, 419-422.
Caro, G., Bennett, V.C., Bourdon, B., Harrison, T.M., Mojzsis, S.J. and Harris, J.W. (2008) Precise analysis of 142Nd/144Nd in small samples: Application to Hadean zircons from Jack Hills (W. Australia) and diamond inclusions from Finsch (S. Africa). Chemical Geology 247, 253-26.
Trail, D., Mojzsis, S.J. and Harrison, T.M. (2007) Thermal events documented in Hadean zircons by ion microprobe depth profiles. Geochimica et Cosmochimica Acta 71, 4044-4065.
Papineau, D., Mojzsis, S.J. and Schmitt, A.K. (2007) Multiple sulfur isotopes from Paleoproterozoic Huronian interglacial sediments and the rise of atmospheric oxygen. Earth and Planetary Science Letters 255, 188-212.
Cates, N.L. and Mojzsis, S.J. (2007) Pre-3750 Myr supracrustal rocks from the Nuvvuagittuq Belt (Porpoise Cove), northern Québec. Earth and Planetary Science Letters 255, 9-21.
Turner, G., Busfield, A., Crowther, S., Harrison, T.M., Mojzsis, S.J. and Gilmour, J. (2007) Pu-Xe, U-Xe, U-Pb chronology and isotope systematics of ancient zircons from Western Australia. Earth and Planetary Science Letters 261, 491-499.
Dauphas, N., Cates, N.L., Mojzsis, S.J. and Busigny, V. (2007) Recognition of sedimentary protoliths with iron isotopes in the >3.76 Ga Nuvvuagituk supracrustal belt, Canada. Earth and Planetary Science Letters 254, 358-376.
Cates, N.L. and Mojzsis, S.J. (2006) Chemical and isotopic evidence for widespread Eoarchean (≥3750 Ma) metasedimentary enclaves in southern West Greenland. Geochim. Cosmochim. Acta 70, 4229-4257.
Manning, C.E., Mojzsis, S.J. and Harrison, T.M. (2006) Geology and age of supracrustal rocks, Akilia, Greenland Amer. J. Sci. 306, 303-366.
Papineau, D. and Mojzsis, S.J. (2006) Mass-independent fractionation of sulfur isotopes in sulfides from the pre-3770 Ma Isua Supracrustal Belt, West Greenland. Geobiology 4, 227-238.
Papineau, D., Mojzsis, S.J., Coath, C.D., Karhu, J.A. and McKeegan, K.D. (2005) Multiple sulfur isotopes of sulfides from sediments in the aftermath of Paleoproterozoic glaciations Geochim. Cosmochim. Acta 69, 5033-5060.
Harrison, T.M., Blichert-Toft, J., Müller, W., Albarède, F., Holden, P. and Mojzsis, S.J. (2005) Response to comment: Heterogeneous Hadean Hafnium: Evidence of continental crust at 4.4 to 4.5 Ga Science 312, 1139b.
Harrison, T.M., Blichert-Toft, J., Müller, W., Albarède, F., Holden, P. and Mojzsis, S.J. (2005) Heterogeneous Hadean Hafnium: Evidence of continental crust at 4.4 to 4.5 Ga Science 310, 1947-1950.
Turner, G., Harrison, T.M., Holland, G., Mojzsis, S.J. and Gilmour, J. (2004) Extinct 244Pu in ancient zircons: Science 306, 89-91.
Mojzsis, S.J., Coath, C.D., Greenwood, J.P., McKeegan, K.D. and Harrison, T.M. (2003) Confirmation of mass-independent isotope effects in Archean (2.5 – 3.8 Ga) sedimentary sulfides as determined by ion microprobe analysis: Geochim. Cosmochim. Acta 67(9), 1635-1658.
Mojzsis, S.J., Devaraju, T.C. and Newton, R.C. (2003) Ion microprobe U-Pb age determinations on zircon from the Late Archean granulite facies transition zone of southern Karnataka, India: J. Geol. 111, 407-425.
Mojzsis, S.J., and Harrison, T.M. (2002) Establishment of a 3.83 Ga magmatic age for the Akilia tonalite (southern West Greenland). Earth Planet. Sci. Lett. 202, 563-576.
Mojzsis, S.J. and Harrison, T.M. (2002) Origin and Significance of Archean Quartzose Rocks at Akilia, Greenland: Science 298, 917a.
Anbar, A.D., Zahnle, K.J. and Mojzsis, S.J. (2001) Extraterrestrial iridium, sediment accumulation and the habitability of the early Earth’s surface: J. Geophys. Res. 106(2), 3219-3236.
Mojzsis, S.J., Harrison, T.M., Pidgeon, R.T., C.D. (2001) Oxygen isotope evidence from ancient zircons for liquid water at Earth’s surface 4,300 Myr ago: Nature 409, 178-181.
Greenwood, J.P., Mojzsis, S.J. and Coath, C.D. (2000) Sulfur isotopic compositions of individual sulfides in ALH84001 and Nakhla: implications for crust-regolith exchange on Mars: Earth Planet. Sci. Lett. 184, 23-25.
Mojzsis, S.J., and Harrison, T.M. (2000) Vestiges of a beginning: clues to the emergent biosphere recorded in the oldest known sedimentary rocks: GSA Today 10: 1-6.
Mojzsis, S.J., Harrison, T.M., Arrhenius, G., McKeegan, K.D., and Grove, M. (1999) Origin of life from apatite dating? – Reply: Nature 400, 127-128.
Mojzsis, S.J., and Arrhenius, G. (1998) Phosphates and carbon on Mars: Exobiological implications and sample return considerations: J. Geophys. Res. 103(E12), 28,495-28,511.
Arrhenius, G., Sales, B., Mojzsis, S.J., and Lee, T. (1997) Entropy and charge in molecular evolution: the role of phosphate: J. Theor. Bio. 187, 503-522.
Nutman, A.P., Mojzsis, S.J., and Friend, C.R.L. (1997) Identification of the oldest water-lain sediments at >3850 Ma from Akilia island, southern West Greenland: Geochim. Cosmochim. Acta 61(12), 2475-2484.
Eiler, J.M., Mojzsis, S.J., and Arrhenius, G. (1997) Carbon isotope evidence for early life: Nature 386, 665.
Arrhenius, G., and Mojzsis, S.J. (1996) Life on Mars – then and now: Curr. Bio. 6(10), 1213-1216.
Mojzsis, S.J., Arrhenius, G., McKeegan, K.D., Harrison, T.M., Nutman, A.P., and Friend, C.R.L. (1996) Evidence for life on Earth by 3800 million years ago. Nature 384 (6604), 55-59.
PREPRINT
Stephen Mojzsis, Rob Spaargaren, Maxim Ballmer, Paul Tackley (2024). Connecting exoplanet mantle mineralogy to surface dynamic regime .
Stephen J. Mojzsis, Anna Medvegy (2024). Recipes for a Hadean Earth .
Stephen Mojzsis, Anna Medvegy (2024). Whence the demise and fall of the RNA World? .
Stephen Mojzsis, Robert Spaargaren, Ramon Brasser (2023). Total stellar irradiance and lithophile element devolatilization trends for the terrestrial planets .
Stephen J. Mojzsis(2022). Geoastronomy: Rocky planets as the Lavosier-Lomonosov Bridge from the non-living to the living world . Copernicus {GmbH}
OTHER
Stephen J. Mojzsis, Oleg Abramov (2021). Thermal consequences of impact bombardments to silicate crusts of terrestrial-type exoplanets .
Thomas Grocolas, Pierre Bouilhol, Guillaume Caro, Stephen J Mojzsis (2020). Eoarchean subduction-like magmatism recorded in ca. 3750 Ma mafic-ultramafic rocks of the Ukaliq supracrus-tal belt (Québec) .
BOOK CHAPTER
(2019). The Assean Lake Complex . Earth's Oldest Rocks.
Mojzsis, S.J. (2007) Sulphur on the Early Earth. In, Earth’s oldest rocks (Van Kranendonk, M..J., Smithies, R.H. and Bennett, V. Eds.) Developments in Precambrian Geology 15, 923-970.
Mojzsis, S.J., and Ryder, G. (2001) Extraterrestrial accretion to the Earth and Moon ca. 3.85 Ga, In: Accretion of Extraterrestrial Matter Throughout Earth History, edited by B. Peuckner-Ehrenbrink and B. Schmitz: Kluwer, pp. 423-446.
Ryder, G., Koeberl, C., and Mojzsis, S.J. (2000) Heavy bombardment of the Earth at ~3.85 Ga: The search for petrographic and geochemical evidence, In: Origin of the Earth and Moon; edited by K. Righter and R. Canup: University of Arizona Press pp.475-492.
Mojzsis, S.J., Krishnamurthy, R., and Arrhenius, G. (1999) Before RNA and After: Geophysical and geochemical constraints on molecular evolution, In: The RNA World II, edited by Gesteland, R., Cech, T. and Atkins, J.: Cold Spring Harbor Press, New York pp. 1- 47.
Arrhenius, G., Gedulin, B., and Mojzsis, S.J. (1993) Phosphate in models for chemical evolution, In: Chemical Evolution: Origin of Life, edited by Ponnamperuma, C., and Chela-Flores, J.: A. Deepak, Hampton, Virginia, pp. 25-50.
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