Graduate/honor student research advisees of Dr. Passchier

For a full list of students engaged in independent studies and other activities, see CV


Divomi Balasuriya
Ph.D. in Environmental Science and Management (in progress)
Ph.D. topic: Sediment dynamics along barrier islands in New Jersey, Sandy Hook and Long Beach Island

Victoria Hojnacki (B.S. Geology: James Madison University)
Ph.D. in Environmental Science and Management (in progress)
Ph.D. topic: Eocene-Oligocene ice sheet evolution in West Antarctica and impact on deepwater formation.
Publications and presentations:
Hojnacki, V., Joseph, R., Passchier, S., 2020. Implications of geochemical analysis of ODP Site 696 on glaciation of West Antarctica during the Eocene-Oligocene transition. Geological Society of America Annual Meeting (Poster, virtual).
Professional positions:
Graduate research assistant on NSF project "Timing and Spatial Distribution of Antarctic Ice Sheet Growth and Sea-ice Formation across the Eocene-Oligocene Transition"
Expedition Science Party member IODP Exp. 393

Ridley Joseph (B.S. Earth and Environmental Science: Montclair State University)
M.S. Earth and Environmental Science (in progress)
M.S. Thesis topic: Antarctic Peninsula ice sheet dynamics in the Pliocene from sedimentological interpretation of Ocean Drilling Program Site 1097
Publications and presentations:
Hojnacki, V., Joseph, R., Passchier, S., 2020. Implications of geochemical analysis of ODP Site 696 on glaciation of West Antarctica during the Eocene-Oligocene transition. Geological Society of America Annual Meeting (Poster, virtual).

Olga Libman-Roshal (B.S. Geology, M.S. Geophysics: University of Rochester)
Ph.D. in Environmental Science and Management (in progress)
Ph.D. topic: Pliocene ice sheet evolution in West Antarctica.
Publications, presentations and datasets:
XRF core scanner data for IODP Expedition 379 Amundsen Sea West Antarctic Ice Sheet History
Libman-Roshal, O., Passchier, S., Hillenbrand, C-D., Hemming, S., Frederichs, T., Ehrmann, W. and Expedition 379 Scientists, 2020. Trace element detrital provenance for Amundsen Sea offshore sediments across the Pliocene Climatic Optimum. Geological Society of America Annual Meeting (Oral, virtual).
Professional positions:
Graduate research assistant on NSF project "West Antarctic Ice-sheet Change and Paleoceanography in the Amundsen Sea Across the Pliocene Climatic Optimum"(Fall 2021)

Josie Horowitz (B.S. Geosciences: Rutgers University)
M.S. Earth and Environmental Science (2021)
M.S. Thesis topic: Identification of Ice-rafted Debris in the Weddell Sea to Characterize Glaciation at the Eocene-Oligocene Transition.
Publications and presentations:
Horowitz, J., Passchier, S., 2020. Identification of ice-rafted debris in the Weddell Sea to characterize glaciation at the Eocene-Oligocene transition. Geological Society of America Annual Meeting (Poster, virtual)

Mathew Sandefur (B.S. Geology: Appalachian State University)
M.S. Earth and Environmental Science (2020)
M.S. Thesis topic: The Behavior of the Baltic Sea Ice Stream during the Deglaciation of the Baltic Ice Lake, recorded in the Particle Size and Geochemistry within Bornholm Basin, IODP Site M0065.
Publications and presentations:
Sandefur, M., Passchier, S., Kelly, A.L., 2018. The Last Deglaciation of the Baltic Ice Stream within Bornholm Basin, IODP Expedition 347, Site M0065. American Geophysical Union, Washington DC.

Abbey States (B.S. Chemistry: Tufts University)
M.S. Earth and Environmental Science Completed 2019
M.S. Thesis topic: Glauconite formation in Eocene-Oligocene transition sediment from West Antarctica.

Allison Lepp (B.S. Geology: Georgia State University)
M.S. Earth and Environmental Science Completed 2018 - then Ph.D. student at University of Virginia
M.S. Thesis topic: Eocene-Oligocene Transition at ODP Site 696, Antarctica
Publications and presentations:
Lepp A., Light, J., Passchier, S., 2017. Analysis of marine sediments from ODP Site 696 and implications for the onset of Antarctic glaciation. Past Antarctic Ice-Sheet Dynamics (PAIS) conference, Trieste, Italy (Poster).
Awards: 2017 Conference travel award from PAIS/NSF (Trieste, Italy), 2018 Recognition of Excellence in Research, College of Science and Math, and 2018 Outstanding Graduate Teaching Assistant Award, Department of Earth and Environmental Studies, Montclair State University.

April L. Kelly (B.S. Geology: James Madison University)
M.S. Earth and Environmental Science Completed 2017 - then Geoscientist In the Park (USGS), Geologist at U.S. Army Corps of Engineers
M.S. Thesis topic: Determining Late Pleistocene to Early Holocene deglaciation of the Baltic Ice Lake through sedimentological core sample analysis of IODP Site M0064
Publications and presentations:
Kelly, A.L., Passchier, S., 2016. Determining Late Pleistocene to Early Holocene deglaciation of the Baltic Ice Lake through sedimentological core sample analysis of IODP Site M0064. American Geophysical Union, PP13B-2078 (Poster).
Awards: 2016 GSA Student Research Grant, Vincent Eugene Vivian Travel Award, for XRF core scanning at the IODP Core Repository in Bremen, Germany, 2017 Outstanding Student Employee award.

Jennifer Light (B.S. Geology: University of Idaho)
M.S. Earth and Environmental Science Completed 2017 - then Geologist at GEI Consultants, Inc.
M.S. Thesis topic: Geochemistry of East Antarctic Margin Sediments Spanning the Eocene Oligocene Transition.
Publications and presentations:
Light, J., Passchier, S., 2016. Geochemistry of East Antarctic Margin Sediments Spanning the Eocene Oligocene Transition. American Geophysical Union, C41B-0652 (Poster)

Christina-Marie Verhagen
B.S. Geoscience Completed 2017 - then Ph.D. student at Rutgers University
Undergraduate Research Topic: Geochemical analyses of core samples from Dry Valley Drilling Project Site 11, Ross Sea, Antarctica
Publications and presentations:
Verhagen C., Passchier, S., 2016. Early Pliocene Warming in DVDP-11 Drillcore, Antarctica. American Geophysical Union, C41B-0655 (Poster).
Awards: 2016. Techlaunch Future Scientist Award ($1000) for presentation "What was the extent of global warming in high latitudes in Antarctica during the Pliocene epoch, the last period that greenhouse gas levels were similar to today?"; and 2018 Graduate Research Fellowship, National Science Foundation.

Taylor Krolik (B.S. Environmental Science: Rider University)
M.S. Earth and Environmental Science Completed 2017 - then Staff Scientist at Environmental Resources Management (ERM)
M.S. Thesis: Grain size and organic geochemistry of Kattegat sediment to determine paleoenvironments of the Last Interglacial-Glacial cycle
Publications and presentations:
Krolik, T., Passchier, S., 2016. Montclair State University student research symposium. (Poster)

Triantafilo (Rose) Miriagos
B.S. Geoscience Completed 2016 - then Mathematician at Picatinny Arsenal
Undergraduate Research Assistant: ICP-OES sample prep and instrumental analyses of core samples from ODP Sites 739 and 742, Prydz Bay, Antarctica
Publications and presentations:
Miriagos, T., Passchier, S. Geochemical analysis of Antarctic sediment cores from Prydz Bay site for the purpose of reconstructing the paleo-environment during the Eocene-Oligocene. MSU Student Research Symposium 2015 (Oral).
Passchier, S., Ciarletta, D., Miriagos, T., Bijl, P., Bohaty, S., 2017. An Antarctic stratigraphic record of step-wise ice growth through the Eocene-Oligocene Transition. Geological Society of America Bulletin, v. 129, no. 3-4, 318-330, doi: 10.1130/B31482.1.

Melissa Hansen (B.S. Earth Science: Geology, Kean University)
M.S. Geoscience Completed 2011, Ph.D. Environmental Management Completed 2016 - then adjunct professor at Montclair State University, Kean University
Ph.D. Thesis: An assessment of Antarctic Ice Sheet dynamics from a polar paleoclimate archive. Montclair State University, 2016.
Publications and presentations:
Hansen, M. A., Passchier, S., 2017. Oceanic circulation changes during early Pliocene marine ice-sheet instability in Wilkes Land, East Antarctica. Geo-Mar Lett., doi:10.1007/s00367-016-0489-8
Hansen, M. A., Passchier, S. Khim, B.-K., Song, B., and Williams, T., 2015. Threshold behavior of a marine-based sector of the East Antarctic Ice Sheet in response to early Pliocene ocean warming, Paleoceanography, 30, doi:10.1002/2014PA002704.
Hansen, M., Passchier, S., Rosenberg, J., 2014. A Pliocene record of ice-rafted debris from ice-proximal site U1359 (IODP Exp. 318), Wilkes Land continental rise, Antarctica, GSA NE, Abstract No: 236521, Lancaster PA (Oral).
Hansen, M., Passchier, S., Prins, M.A., Song, B., Khim, B.-K., Katsuki, K., Williams, T.J., 2012. AGU PP23A-2033 (Poster).
Hansen, M., Passchier, S., 2011. Abstract PS1.9, International Symposium for Antarctic Earth Sciences, Edinburgh, U.K. (Oral).
Hansen, M., Passchier, S., 2010. GSA NE-SE meeting, Baltimore MD, 73-2 (Oral).

Vicky Sekkas
B.S. Geoscience Completed 2013, M.A. Environmental Studies, Completed 2015 - then 6th/7th grade Science Teacher, Robert Fulton School, Bergen County NJ
M.A. Thesis: Bedform morphodynamics and environmental implications in the New York Bight apex
Honors Research Project: Particle size analysis of Upper Oligocene sediments at IODP Site U1356, Wilkes Land margin, Antarctica
Publications and presentations:
Sekkas, V., Passchier, S., 2015.Bedform morphodynamics and environmental implications in the New York Bight apex. MSU Student Research Symposium (Oral).
Sekkas, V., Passchier, S., 2013.The record of Late Oligocene ice growth at IODP Site U1356, Wilkes Land margin Antarctica. MSU Student Research Symposium (Poster).
Passchier, S., Ciarletta, D., Henao, V, Sekkas, V., 2018. Sedimentary processes and facies on a high-latitude passive continental margin, Wilkes Land, East Antarctica. Geological Society of London, Special Publication, v. 475, doi:10.1144/SP475.3

Dan Ciarletta (B.S. Oceanography, Florida Institute of Technology)
M.S. Geoscience Completed 2014 - Ph.D. completed 2019 (advisor Dr. Lorenzo-Trueba), then USGS Mendenhall Post-doc
M.S. Thesis: Characterization of Eocene-Oligocene Depocenters in Prydz Bay, East Antarctica: A Lithostratigraphic Correlation of ODP Sites 739, 742, and 1166
Publications and presentations:
Ciarletta, Daniel, J., 2014. The onset of the Icehouse: A glimpse of the Eocene-Oligocene transition in Prydz Bay, Antarctica, GSA NE, Abstract, Lancaster PA (Oral).
Passchier, S., Ciarletta, D., Miriagos, T., Bijl, P., Bohaty, S., 2017. An Antarctic stratigraphic record of step-wise ice growth through the Eocene-Oligocene Transition. Geological Society of America Bulletin, v. 129, no. 3-4, 318-330, doi: 10.1130/B31482.1.
Passchier, S., Ciarletta, D., Henao, V, Sekkas, V., 2018. Sedimentary processes and facies on a high-latitude passive continental margin, Wilkes Land, East Antarctica. Geological Society of London, Special Publication, v. 475, doi:10.1144/SP475.3

Jessica Rosenberg (B.A. Geology/Earth Science, Binghamton University)
M.S. Geoscience Completed 2014 - then Geologist at GEI Consultants, Inc.
M.S.Thesis: Late-Pliocene ice-rafting, IODP Site U1359, Antarctica
Publications and presentations:
Rosenberg, J., Passchier, S., 2014. Late Pliocene ice-rafted debris mass accumulation rates from IODP Site U1359, Wilkes Land continental rise, Antarctica, GSA NE, Abstract No: 236523, Lancaster PA (Poster).
Hansen, M., Passchier, S., Rosenberg, J., 2014. A Pliocene record of ice-rafted debris from ice-proximal site U1359 (IODP Exp. 318), Wilkes Land continental rise, Antarctica, GSA NE, Abstract No: 236521, Lancaster PA (Oral).

Victor Henao
B.S. Geoscience Completed 2012 - MS Geological Sciences, Lund University, Sweden, 2015, then data scientist/GIS specialist, St.Paul MN
Honors Research Project:Ice dynamics and productivity during the Miocene Climatic Optimum from ICP-OES of IODP Site U1356, Antarctica
Publications, presentations and awards:
Henao, V., 2012. Paleo-productivity of the Southern Ocean during the Mid-Miocene Epoch. MSU Student Research Symposium (Oral).
Passchier, S., Ciarletta, D., Henao, V., Sekkas, V., 2018. Sedimentary processes and facies on a high-latitude passive continental margin, Wilkes Land, East Antarctica. Geological Society of London, Special Publication, v. 475, doi:10.1144/SP475.3

Nadine Orejola
B.S. Geoscience Completed 2012 - MS Environmental Science, Plymouth University NH, ORISE Fellow, then Environmental Geologist at AECOM
Honors Research Project: Pliocene ice dynamics IODP Site U1358, Wilkes Land margin, Antarctica
Publications, presentations and awards:
Orejola, N., Passchier, S., and IODP Exp. 318 Scientists, 2014. Sedimentology of lower Pliocene to Upper Pleistocene diamictons from IODP Site U1358, Wilkes Land margin, and implications for East Antarctic Ice Sheet dynamics. Antarctic Science, doi:10.1017/S0954102013000527.
Orejola, N., Passchier, S., 2012. GSA Northeastern Section - 47th Annual Meeting (18-20 March 2012), Paper # 200296 (Oral).
Orejola, N., Passchier, S. and IODP Exp. 318 Scientists, 2011. Poster Abstract PO13.7, International Symposium for Antarctic Earth Sciences, Edinburgh, U.K.
Awards: 2011-2012: Science Honors Innovation Program (SHIP) Fellowship

Dan Hauptvogel
B.S. Geoscience Completed 2008, M.S. Geoscience Completed 2010 - PhD CUNY, 2015, then Instructional Assistant Professor (tenured) at the University of Houston
M.S. Thesis: Ice dynamics in the past 17 Myr in Southern McMurdo Sound: a heavy mineral analysis.
Publications and presentations:
Hauptvogel, D.W., Passchier, S., 2012. Early-middle Miocene (17-14 Ma) Antarctic ice dynamics reconstructed from the heavy mineral provenance in AND-2A, Ross Sea, Antarctica. Global and Planetary Change, vol. 82-83, 38-50.
Hauptvogel, D., Passchier, S., 2011. Poster Abstract PO3.3, International Symposium for Antarctic Earth Sciences, Edinburgh, U.K.
Hauptvogel, D., Passchier, S., 2010. Poster presentation. ANDRILL-SMS Workshop, Erice, Italy.
Hauptvogel, D., 2010. GSA NE-SE meeting, Baltimore MD, 73-2 (Oral).
Hauptvogel, D., Darley, J., Passchier, S., 2008. Abstract, 43rd GSA Northeastern section meeting, Buffalo NY (Poster).
Awards: 2008 Undergraduate Poster award, MSU Student Research Symposium ($500); Graduating Senior Research award, College of Science and Math, Montclair State University.

Candice Falk (B.A. Geology, Hofstra University)
M.S. Geoscience Completed 2009 - then 6th Grade Science Teacher at New Brunswick Public Schools
M.S. Thesis topic: Paleoenvironment and paleoclimate of coastal East Antarctica during the middle Miocene: Particle size results of the ANDRILL Southern McMurdo Sound Project.
Publications and presentations:
Passchier, S., Falk., C.J., and Florindo, F., 2013. Orbitally-paced shifts in the particle size of the Antarctic continental shelf in response to ice dynamics during the Miocene Climatic Optimum. Geosphere, doi:10.1130/GES00840.1
Falk, C. and Passchier, S., 2009. Paleoenvironment and paleoclimate of coastal East Antarctica during the Middle Miocene: particle size results of the ANDRILL Southern McMurdo Sound project. Abstract, First Antarctic Climate Evolution Symposium, Granada Spain, 2009.

Efe Erukanure (B.S. Geoscience, Montclair State University)
M.S. Geoscience Completed 2009 - then at Federal Bureau of Land Management, CA
M.S. Thesis topic: Stratigraphy and inorganic geochemistry of the Squantum Tillite, Boston Bay Group.
Publications and presentations:
Passchier, S., and Erukanure, E., 2010. Paleoenvironments and weathering regime of the Neoproterozoic Squantum Tillite, Boston Basin: no evidence of a snowball Earth. Sedimentology, 57, 1526-1544.
Erukanure, E.J., Passchier, S., Brachfeld, S., Gorring, M., 2008. Stratigraphy and geochemistry of Squantum Tillite, Boston Bay Group:Using field log and ICP analysis. Abstract, 43rd GSA Northeastern section meeting, Buffalo NY (Oral).