Peer-Reviewed Publications

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*indicates postdoc, graduate, or undergraduate advisee

  1. Park, J.G.*, Hudgins, M.N.*, Fralick, P.W., Shelley, J.T., Schaller, M.F † (Dec. 22, 2025). Breathing life into the Boring Billion: direct constraints from 1.4 Ga fluid inclusions reveal a fair climate and oxygenated atmosphere. Proceedings of the National Academy of Sciences. doi/10.1073/pnas.2513030122 – (Featured on the journal cover)

  2. Hudgins, M.N.,* Park, J.G.*, Ryan, A.M.,* Rogers, J.A. and Schaller, M.F., 2025. Assessing the plausibility of direct constraints on ancient atmospheric pCO2 from fluid inclusions in halite: A theoretical and experimental approach. In revision at Geochimica et Cosmochimica Acta, available on EarthArxiv: https://doi.org/10.31223/X5BX5Q

  3. Park, J.G.* and Schaller, M.F., (2025). A First Principles Critique of the Back Calculation Method: Understanding and Assessing the Alteration of Atmospheric Gases Trapped in Ancient Fluid Inclusions. In review at Chemical Geology, available on EarthArxiv: https://doi.org/10.31223/X56R0V

  4. Dyar, M.D., Breitenfeld, L.B., Lane, M.D., Glotch, T., Clark, R., Pearson, N., Sklute, E.C., McCanta, M.C., Hendrix, A.J., Weller, B.* and Schaller, M.F., 2025. Spectroscopy of the Hamburg Meteorite, Michigan H4. The Planetary Science Journal, 6(10), p.240. 10: 240. doi 10.3847/PSJ/ae0a4f

  5. Park, J.G.*, and Schaller, M.F. †, (2025), Constraints on Earth's atmospheric evolution from a gas-aqueous partition of fluid inclusion volatiles. Gondwana Research, 10.1016/j.gr.2024.12.003

  6. Miller, M., Collins, A., Barton, R., Schaller, M., Wagner, S. (2025) Production of The Aluminum Nitric-acid Keg (TANK) for mitigating explosions during the oxidation of black carbon into benzenepolycarboxylic acid (BPCA) molecular markers. protocols.io dx.doi.org/10.17504/protocols.io.eq2lynz4qvx9/v1

  7. Kent, D.V., Olsen, P.E., Wang, H., Schaller, M.F., Et-Touhami, M. (2024) Correlation of sub-centennial-scale pulses of initial Central Atlantic Magmatic Province lavas and the end-Triassic extinctions. Proceedings of the National Academy of Sciences doi.org/10.1073/pnas.2415486121

  8. Hudgins, M.N.*, Knobbe, T.K.*, Hubbard, J.*, Steele, A., Park*, J.G., Schaller, M.F. (2024) In situ quantification of carbonate species concentrations, pH, and pCO2 in calcite fluid inclusions using confocal Raman spectroscopy. Applied Spectroscopy doi.org/10.1177/0003702824127519 - Featured on the journal cover!

  9. The Cenozoic pCO2 Consortium (2024) Toward a Cenozoic history of atmospheric CO2. Science doi:10.1126/science.adi5177

  10. Robinson, M.M., Miller, K.G., Babila, T.L., Bralower, T.J., Browning, J.V., Cramwinckel, M.J., Doubrawa, M., Foster, G.L., Fung, M.K., Kinney, S., Makarova, M., McLaughlin, P.P., Pearson, P.N., Röhl, U., Schaller, M.F., Self-Trail, J.M., Sluijs, A., Westerhold, T., Wright, J.D., Zachos, J.C. (2024) Paleogene Earth Perturbations U.S. Atlantic Coastal Plain (PEP-US): Coring transects of hyperthermals to understand past carbon injections and ecosystem responses. Scientific Drilling doi.org/10.5194/sd-33-47-2024

  11. Farmer, J.R., Keller, K., Poirier, R.K., Dwyer, G.S., Schaller, M.F., Coxall, H., O'Regan, M., Cronin, T.M. (2023) The oxygen isotopic composition of intermediate-to-deep Arctic seawater since 600 ka. PANGEA doi.org/10.1594/PANGAEA.958539

  12. Farmer, J.R., Keller, K., Poirier, R.K., Dwyer, G.S., Schaller, M.F., Coxall, H., O'Regan, M., Cronin, T.M. (2023) A 600 kyr reconstruction of deep Arctic seawater δ18O from benthic foraminiferal δ18O and ostracode Mg∕ Ca paleothermometry. Climate of the Past doi.org/10.5194/cp-19-555-2023

  13. Fung, M.K.*, Katz, M.E., Miller, K.G., Browning, J.V., Schaller, M.F. (2023) Exploring early Eocene hyperthermals on the New Jersey paleoshelf (ODP 174AX). Journal of Foraminiferal Research https://doi.org/10.61551/gsjfr.53.4.378

  14. Olsen, P., Sha, J., Fang, Y., Chang, C., Whiteside, J.H., Kinney, S., Sues, H.D., Kent, D., Schaller, M.F., Vajda, V. (2022) Arctic ice and the ecological rise of the dinosaurs. Science Advances doi:10.1126/sciadv.abo6342

  15. Swinton, M.W.*, Myer, P.K.*, Schaller, M.F., Pettitt, E.A.*, Farrell, J.L.,Nierzwicki-Bauer, S.A. (2022) Stable carbon and nitrogen isotopes explain methylmercury concentrations in stream food webs of Lake George, New York (USA). Ecotoxicology doi.org/10.1007/s10646-022-02548-0

  16. Rasmussen, C., Irmis, R.B., Mundil, R., Schaller, M.F., Geissman, J., Parker, W.G., Lepre, C.J., Olsen, P.E. (2022) A geochronological-constrained stable isotope record of the Upper Triassic Sonsela Member (Chinle Formation) at Petrified Forest National Park (Arizona, USA): Testing for paleoenvironmental linkages with biotic change and the Manicouagan impact. Palaeogeography, Palaeoclimatology, Palaeoecology doi.org/10.1016/j.palaeo.2022.11106

  17. Goranov, A.I.*, Schaller, M.F., Long, J.A. Jr, Podgorski, D.C., Wagner S., (2021) Characterization of asphaltenes and petroleum using benzenepolycarboxylic acids (BPCAs) and compound-specific stable carbon isotopes. Energy & Fuels doi.org/10.1021/acs.energyfuels.1c02374 + Supporting Information

  18. Poirier, R.K*, Gaetano, M.Q, Acevedo K., Schaller M.F., Raymo M.E., Kozdon R. (2021) Quantifying diagenesis, contributing factors, and resulting isotopic bias in benthic foraminifera using the foraminiferal preservation index: Implications for geochemical proxy records. Paleoceanography and Paleoclimatology doi.org/10.1029/2020PA004110

  19. Pettitt, E.A.*, Schaller, M.F. (2020) A new calibration technique for quantitative gas analyses of fluid inclusions using a quadrupole mass spectrometer. Rapid Communications in Mass Spectrometry doi.org/10.1002/rcm.8855

  20. Pettitt, E.A.*, Cherniak, D.J., Schaller, M.F., Watson, E.B. (2020) Diffusive retention of carbon and nitrogen in a microcrystalline quartz-dominated chert: Implications for reconstructing Earth's ancient atmosphere. Chemical Geology doi.org/10.1016/j.chemgeo.2020.119572

  21. Cherniak, D.J., Schaller, M.F., Watson, E.B., (2020) Nitrogen diffusion in calcite. In Carbon in Earth’s Interior, Geophysical Monograph 249, First Edition. Eds. C.E. Manning, J.-F. Lin, W.L. Mao. doi:10.1002/9781119508229.ch10

  22. Kornecki, K.*, Schuller, M., Katz, M., Relyea, R., McCarthy, F., Schaller, M.F., Gillikin, D., Stager, J.C., Eichler, L., Boylen, C., Nierzwicki-Bauer, S. (2020) The canary in the coal mine: Testate amoebae record anthropogenic impacts in oligotrophic Lake George, NY sediments. Journal of Foraminiferal Research doi.org/10.2113/gsjfr.50.2.128

  23. Schaller, M.F., Turrin, B.D., Fung, M.K., Katz, M.E., Swisher, C.C. (2019) Initial 40Ar‐39Ar ages of the Paleocene‐Eocene boundary impact spherules. Geophysical Research Letters doi.org/10.1029/2019GL082473

  24. Cronin, T.M., Keller, K.K., Farmer, J.R., Schaller, M.F., O’Regan, M., Poirier, R., Coxall, H., Dwyer, G.S., Bauch, H., Kindstedt, I., Jakobsson, M., Marzen, R., Santin, E. (2019) Interglacial paleoclimate in the Arctic. Paleoceonography and Paleoclimatology doi.org/10.1029/2019PA003708

  25. Watson, E.B., Cherniak, D.J., Drexler, M., Hervig, R.L., Schaller, M.F. (2019) Nitrogen diffusion in silicate minerals, with implications for nitrogen transport and cycling in the lithosphere. Chemical Geology doi.org/10.1016/j.chemgeo.2019.04.006

  26. Muttoni G., Nicora, A., Balini, M., Katz, M., Schaller, M.F., Kent, D., Maron, M., Meco, S., Rettori, R., Doda, V., Nazaj, S. (2019) A candidate GSSP for the base of the Anisian from Kçira, Albania. Albertiana 45, 39–49.

  27. Fung, M.K., Schaller, M.F., Katz, M.E., Hoff, C.M., Wright, J.D. (2019) Widespread wildfires at the Paleocene Eocene boundary: Evidence from abundant charcoal preserved in the thick Marlboro Clay. Geochemical Perspective Letters doi: 10.7185/geochemlet.1906

  28. Olsen, P.E., Geissman, J.W., Kent, D.V., Gehrels, G.E., Mundil, R., Irmis, R.B., Lepre, C., Rasmussen, C., Giesler, D., Parker, W.G., Zakharova, N., Kürschner, W.M., Miller, C., Baranyi, V., Schaller, M.F., Whiteside, J.H., Schnurrenberger, D., Noren, A., Brady Shannon, K., O'Grady, R., Colbert, M.W., Maisano, J., Edey, D., Kinney, S.T., Molina-Garza, R., Bachman, G.H., Sha, J., and the CPCD Team (2018) Colorado Plateau Coring Project, Phase I (CPCP-I): a continuously cored, globally exportable chronology of Triassic continental environmental change from western North America Scientific Drilling doi.org/10.5194/sd-24-15-2018

  29. Schaller, M.F., Fung, M.K. (2018) The extraterrestrial impact evidence at the Palaeocene–Eocene boundary and sequence of environmental change on the continental shelf. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences doi.org/10.1098/rsta.2017.0081 - Invited

  30. Knobbe, T.K.G, Schaller, M.F. (2018) Tight coupling between atmospheric pCO2 and temperature during the Late Triassic. Geology doi: 10.1130/G39405.1

  31. Tornabene, C.G, Martindale, R.C., Wang, X.T., Schaller, M.F. (2017) Detecting photosymbiosis in fossil scleractinian corals. Scientific Reports doi:10.1038/s41598-017-09008-4

  32. Drake, J.L., Schaller, M.F., Mass, T., Godfrey, L., Fu, A., Sherrell, R.M., Rosenthal, Y., Falkowski, P.G. (2017) Molecular and geochemical perspectives on the influence of CO2 on calcification in coral cell cultures. Limnology and Oceanography doi:10.1002/lno.10617

  33. Schaller, M.F., Fung, M.K., Wright, J.D., Katz, M., Kent, D.V. (2016) Impact ejecta at the Paleocene Eocene boundary. Science doi:10.1126/science.aaf5466

  34. Schaller, M.F. (2015) Paleoceanography: Corrosive circulation. Nature Geoscience doi:10.1038/ngeo2446

  35. Whiteside, J.H., Lindström, S., Irmis, R., Glasspool, I., Schaller, M.F., Dunlavey, M., Nesbitt, S., Smith, N., Turner, A. (2015) Ecosystem instability during the Late Triassic rise of dinosaurs. Proceedings of the National Academy of Sciences doi:10.1073/pnas.1505252112

  36. Cermeñoa, P., Falkowski, P.G., Romero, O.E., Schaller, M.F., Vallina, S.M., (2015) Continental erosion and the Cenozoic rise of marine diatoms. Proceedings of the National Academy of Sciences doi.org/10.1073/pnas.1412883112

  37. Schaller, M.F., Wright, J.D., Kent, D.V., (2015) A 30 Myr record of Late Triassic atmospheric pCO2 variation reflects a fundamental control of the carbon cycle by changes in continental weathering. Geological Society of America Bulletin doi:10.1130/B31107.1

  38. Busch, A., Kampman, N., Hangx, S.J., Snippe, J., Bickle, M., Bertier, P., Chapman, H., Spiers, C.J., Pijnenburg, R., Samuelson, J., Evans, J.P., Maskell, A., Nicholl, J., Pipich, V., Di, Z., Rother, G., Schaller, M.F. (2014) The Green River natural analogue as a field laboratory to study the long-term fate of CO2 in the subsurface. Energy Procedia doi.org/10.1016/j.egypro.2014.11.304

  39. Wright, J.D., Schaller, M.F. (2014) Reply to Pearson and Nicholas, Stassen et al., and Zeebe et al.: Teasing out the missing piece of the PETM puzzle. Proceedings of the National Academy of Sciences doi: 10.1073/pnas.1321876111

  40. Kampman, N., Bickle, M.J., Maskell, A., Chapman, H.J., Evans, J.P., Purser, G., Zhou, Z., Schaller, M.F., Gattacceca, J.C., Bertier, P., Chen, F., Turchyn, A.V., Assayag, N., Rochelle, C., Ballentine, C.J., Busch, A. (2014) Drilling and sampling a natural CO2 reservoir: Implications for fluid flow and CO2-fluid–rock reactions during CO2 migration through the overburden. Chemical Geology doi.org/10.1016/j.chemgeo.2013.11.015

  41. Wright, J.D., Schaller, M.F. (2013) Evidence for a rapid release of carbon at the Paleocene-Eocene Thermal Maximum. Proceedings of the National Academy Of Sciences doi.org/10.1073/pnas.1309188110

  42. Kampman, N., Maskell, A., Bickle, M., Schaller, M.F., Evans, J., Busch, A. (2013) Drilling and sampling of a natural CO2 reservoir: Green River, Utah. Scientific Drilling doi.org/10.1016/j.chemgeo.2013.11.015

  43. Schaller, M.F., Wright, J.D., Kent, D.V., Olsen, P.E. (2012) Rapid emplacement of the Central Atlantic Magmatic Province as a net sink for CO2. Earth and Planetary Science Letters doi:10.1016/j.epsl.2011.12.028.

  44. Schaller, M.F., Wright, J.D., Kent, D.V. (2011) Response to Comment on “Atmospheric pCO2 Perturbations Associated with the Central Atlantic Magmatic Province” Science doi:10.1126/science.1209422

  45. Schaller, M.F., Wright, J.D., Kent, D.V. (2011) Atmospheric pCO2 perturbations associated with the Central Atlantic Magmatic Province. Science doi:10.1126/science.1199011

  46. Schaller, M.F., Fan, Y. (2009) River basins as groundwater exporters and importers: Implications for water cycle and climate modeling. Journal of Geophysical Research: Atmospheres doi.org/10.1029/2008JD010636