Earth and Environmental Science Office: (215) 204-3958

Steven M. Chemtob

Earth and Environmental Science Office: (215) 204-3958 Temple University [email protected] 1901 N. 13th St sites.temple.edu/chemtob Beury Hall 325 Philadelphia, PA 19122

EDUCATION

2008-2013 Ph.D. in Geochemistry, California Institute of Technology, Pasadena, CA. Advisor: Prof. George R. Rossman 2006-2008 M.S. in Geochemistry, California Institute of Technology 2002-2006 B.A. in Earth and Planetary Sciences, magna cum laude. Washington University, St. Louis, MO. Advisor: Prof. Raymond Arvidson 2005 Geological Field Camp, James Cook University, Townsville, Queensland, Australia.

PROFESSIONAL APPOINTMENTS

2015-present Assistant Professor, Temple University, Dept. of Earth & Environmental Science 2013-2015 NSF Earth Sciences Postdoctoral Fellow, Dept. of Earth & Planetary Sciences, Washington University. Advisor: Prof. Jeffrey G. Catalano 2013 Postdoctoral Research Associate, Washington University 2006-2012 Graduate Research Assistant, California Institute of Technology 2006 Park Geologist / Interpreter, GSA GeoCorps America, Craters of the Moon National Monument, Arco, ID

PUBLICATIONS

Chemtob, S. M., R. D. Nickerson, R. V. Morris, D. G. Agresti, and J. G. Catalano (2017) Oxidative alteration of ferrous smectites and implications for the redox evolution of early Mars. In submission, Journal of Geophysical Research: Planets.

Nickerson, R. D., Chemtob, S. M., and J. G. Catalano (2017) Detrital Transport and Preservation of Hydrothermal Clays on Mars. In submission, Geophysical Research Letters.

Chemtob, S. M., G. R. Rossman, E. D. Young, K. Ziegler, J. M. Eiler, and J. Hurowitz. (2015) Silicon isotope systematics of acidic alteration of fresh Kilauean basalts. Geochimica et Cosmochimica Acta, 169, 63-81.

Chemtob, S. M., R. D. Nickerson, R. V. Morris, D. G. Agresti, and J. G. Catalano (2015) Synthesis and structural characterization of ferrous trioctahedral smectites: implications for clay mineral genesis and detectability on Mars. Journal of Geophysical Research, 120, 1119-1140. doi:10.1002/2014JE004763.

1 Steven Chemtob – Curriculum Vitae, August 22nd, 2017 Chemtob, S. M. and Rossman, G. R. (2014) Timescales and mechanisms of formation of opaque silica coatings on fresh basalts at Kilauea Volcano, Hawai'i. Journal of Volcanology and Geothermal Research, 286, 41-54.

Chemtob, S. M., G. R. Rossman, and J. F. Stebbins (2012) Natural hydrous amorphous silica: quantitation of network speciation and hydroxyl content by 29Si MAS NMR and vibrational spectroscopy. American Mineralogist, 97, 203-211.

Chemtob, S. M., B. L. Jolliff, G. R. Rossman, J. M. Eiler, and R. E. Arvidson (2010) Silica coatings in the Ka’u Desert, Hawai'i, a Mars analog terrain: a micromorphological, spectral, chemical and isotopic study. Journal of Geophysical Research, 115, E04001, doi:10.1029/2009JE003473.

Seelos, K. D., R. E. Arvidson, B. L. Jolliff, S. M. Chemtob, R. V. Morris, D. W. Ming, and G. A. Swayze (2010) Silica in a Mars analog environment: Ka’u Desert, Kilauea Volcano, Hawai’i. Journal of Geophysical Research, 115, E00D15, doi:10.1029/2009JE0033437.

SELECTED ABSTRACTS

Chemtob, S. M., J. G. Catalano, R. D. Nickerson, R. V. Morris, D. G. Agrestia, V. Rivera- Banuchi, W. Liu, and N. Yee (2017) Oxidative alteration of ferrous smectites: a formation pathway for Martian nontronite? Proc. Lunar Planet. Sci. Conf., Abstract #2520.

Catalano, J. G., S. M. Chemtob, R. D. Nickerson, R. V. Morris, and D. G. Agresti (2016) Ferrous smectites and the redox evolution of early Mars. Proc. Lunar Planet. Sci. Conf., Abstract #1609.

Nickerson, R. D., S. M. Chemtob, and J. G. Catalano (2016) Clay formation and iron partitioning during anoxic isochemical hydrothermal basalt alteration: implications for formation of Fe smectites on early Mars. Prof. Lunar Planet. Sci. Conf., Abstract #2458.

Chemtob, S. M., J. G. Catalano, F. Moynier, E. A. Pringle (2015) Mechanisms of iron-silica aqueous interaction and the genesis of Precambrian iron formation. American Geophysical Union Fall Meeting, B32B-06.

Chemtob, S. M., Catalano, J., Savage, P., and Moynier, F. (2014) Si isotope fractionation during iron-silica aqueous interaction in the Precambrian ocean. Min. Mag. (Goldschmidt proceedings), 78, 396.

Chemtob, S.M., R.D. Nickerson, and J.G. Catalano (2014) Ferrous iron smectites and their oxidative products: implications for clay formation and alteration on Mars. Proc. Lunar Planet. Sci. Conf., Abstract #1174.

Chemtob, S., G. Rossman, E. Young, K. Ziegler, J. Eiler, and J. Hurowitz (2013) Si isotope

2 systematics of acidic alteration of fresh Kilauean basalts. Min. Mag. (Goldschmidt proceedings) 77, 864.

Chemtob, S. M., G. R. Rossman, K. Hon, and A. K. Matzen (2010) Silica coatings on young basalts at Kilauea, Hawai’i: rapid onset of acid-sulfate weathering. GSAAbstracts with Programs, 42, 162.

Chemtob, S. M., T. D. Glotch, G. R. Rossman (2010) ATR-IR spectroscopy for in situ mineral analysis on planetary surfaces: steps toward a forward model. Proc. Lunar Planet. Sci. Conf., Abstract #2198.

Chemtob, S. M., G. R. Rossman, J. M. Eiler, and B. L. Jolliff (2009) Silica coatings on the 1974 Kilauea flow: new SEM and SIMS results and implications for Mars. Proc. Lunar Planet. Sci. Conf., Abstract #2156.

Chemtob, S. M., A. Yen, and D. F. Blake (2009) The X-ray fluorescence capabilities of CheMin IV: data reduction and calibration. Proc. Lunar Planet. Sci. Conf., Abstract #2171.

Brulet, B. and Chemtob, S. (2007) A new map of the Echo Crater area: Craters of the Moon National Monument and Preserve, ID. GSA Abstracts with Programs, 39, 160.

Chemtob, S. M., R. E. Arvidson, & others (2006) Identification of hydrated sulfates collected in the northern Rio Tinto Valley by reflectance and Raman spectroscopy. Proc. Lunar Planet. Sci. Conf., Abstract #1941. Chemtob, S. M., B. L. Jolliff, and R. E. Arvidson (2006) Si- and Ti- rich surface coatings of Hawaiian basalt and implications for remote sensing on Mars. Proc. Lunar Planet. Sci. Conf., Abstract #1443.

HONORS, AWARDS, AND FELLOWSHIPS

2013-2015 NSF Earth Sciences Postdoctoral Fellowship 2009-2012 NASA Earth and Space Science Graduate Fellowship 2002-2006 Arthur Holly Compton Fellowship, Washington University

INVITED TALKS

“The redox evolution of early Mars: constraints from clay mineralogy”, Dartmouth College, March 31st, 2017. “The alteration and redox history of early Mars: constraints from ferrous smectites.” Rutgers University, New Brunswick, NJ, October 26, 2016 “The alteration and redox history of early Mars: constraints from ferrous smectites.” March 3, 2016, University of Delaware, Newark, DE. “Mechanisms of iron-silica aqueous interaction and the genesis of Precambrian iron formation.”, 2015, AGU Fall Meeting, B32B-06.

3 Steven Chemtob – Curriculum Vitae, August 22nd, 2017 "Mechanisms and Si isotope signatures of iron-silica aqueous interaction in the Precambrian ocean." Midwest Geobiology Conference, September 27, 2014, Chicago, IL. “Multicolored silica coatings on fresh Hawaiian lava flows: chemical weathering in a harsh volcanic environment.” Mineralogical Society of Southern California, October 12, 2012, Pasadena, CA. “Silica coatings on young Hawaiian basalts: chemical weathering in a harsh volcanic environment.” UCLA Geocheminar, Feb. 28, 2012, Los Angeles, CA. “Silica coatings on young Hawaiian basalts: chemical weathering in a harsh volcanic environment.” USC Paleoenvironment/Geobiology Seminar, Jan. 27, 2012, Los Angeles, CA.

PROFESSIONAL MEMBERSHIPS

American Geophysical Union, Geochemical Society, Geological Society of America, National Association for Geoscience Teachers

TEACHING EXPERIENCE

Courses taught at Temple: Environmental Science Senior Seminar (Spring 2017, Spring 2016); Analytical Methods in Mineralogy (Fall 2016); Individual Research Study (Spring 2016)

ADVISING OF RESEARCH BY STUDENTS

Graduate Students advised by Prof. Chemtob Andrew Chorney (2017 – present, Ph.D.) Victoria Rivera-Banuchi (2016 – present, M.S.)

Undergraduate Students advised by Prof. Chemtob Chris Richardson (2015 – 2016) Jonathan Brennan (2015 – 2016)

Ph.D. Proposal Defense Committees 1. Boyoung Song, Spring 2017 (advisor: B. Kim)

Ph.D. Oral Examination Committees 1. Boyoung Song, Spring 2016 2. M.S. Committees 1. Erika Goldsmith, 2016-present (advisor: A. Tumarkin-Deratzian) 2. Chelsea Kanaley, 2016-present (advisor: L. Toran) 3. Alexis Nawotka, 2016-present (advisor: B. Kim) 4. Emily Arnold, 2015-2017 (advisor: L. Toran) 5. Shannon Hibbard, 2015-2017 (advisor: A. Davatzes)

M.S. Oral Exam Committees, external member 1. Vince Carsillo, Spring 2017

4 2. David Dukes, Spring 2016

SERVICE 1. Seminar Coordinator, Department of Earth and Environmental Sciences, Temple University, 2017-present 2. Chair, Recruitment Committee, Department of Earth and Environmental Sciences, Temple University, 2017-present 3. Member, Environmental Sciences Academic Committee, Temple University, 2015- present 4. Peer reviewer for Journal of Geophysical Research - Planets, American Mineralogist, Geochimica et Cosmochimica Acta, Deep-Sea Research Part II, and Eos, 2010-present 5. Referee, LPSC Outstanding Student Paper Award, 2013-present 6. Ad-hoc proposal reviewer for NASA Solar System Workings, 2017 7. Panelist, NASA Habitable Worlds, 2016 8. Proposal reviewer for Wisconsin Milwaukee Research Growth Initiative, UK Space Agency Aurora Science, 2013-present

5 Steven Chemtob – Curriculum Vitae, August 22nd, 2017