publications

Click titles below for publication. ResearchGate page <– click. Google Scholar <– click. PDF copies are available upon email request –> leprecj@bgsu.edu

Rasmussen, C., Irmis, R.B., Mundil, R., Schaller, M.F., Geissman, J., Parker, W.G., Lepre, C.J. and 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, p.111060.
Lepre, C.J., Quinn, R.L., 2021. Aridification and orbital forcing of eastern African climate during the Plio- Pleistocene. Global and Planetary Change. https://doi.org/10.1016/j.gloplacha.2021.103684
Haque, Z., Geissman, J.W., Irmis, R.B., Olsen, P.E., Lepre, C., Buhedma, H. et al., 2021. Magnetostratigraphy of the Triassic Moenkopi Formation From the Continuous Cores Recovered in Colorado Plateau Coring Project Phase 1 (CPCP-1), Petrified Forest National Park. Journal of Geophysical Research: Solid Earth 126 (9), e2021JB021899
Liu, T., Lepre, C.J., Hemming, S.R., Broecker, W.S., 2021. Rock varnish record of the African Humid Period in the Lake Turkana basin of East Africa. The Holocene 11.
Quinn, R.L. and Lepre, C.J., 2021. Contracting eastern African C 4 grasslands during the extinction of Paranthropus boisei. Scientific reports, 11(1), pp.1-10.
Lepre, C.J., Olsen, P.E., 2021. Hematite reconstruction of Late Triassic hydroclimate over the Colorado Plateau. Proceedings of the National Academy of Sciences 118, 6. doi.org/10.1073/pnas.2004343118
Quinn, R.L., Lewis, J., Brugal, J.P., Lepre, C.J., Trifonov, A. and Harmand, S., 2020. Influences of dietary niche expansion and Pliocene environmental changes on the origins of stone tool making. Palaeogeography, Palaeoclimatology, Palaeoecology, p.110074.
Gehrels, G., Giesler, D., Olsen, P., Kent, D., Marsh, A., Parker, W., Rasmussen, C., Mundil, R., Irmis, R., Geissman, J. and Lepre, C., 2020. LA-ICPMS U–Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle formations in the Petrified Forest National Park (Arizona). Geochronology 2, 257-282.
Rasmussen, C., Mundil, R., Irmis, R.B., Geisler, D., Gehrels, G.E., Olsen, P.E., Kent, D.V., Lepre, C., Kinney, S.T., Geissman, J.W., Parker, W.G., 2020. U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): Implications for Late Triassic paleoecological and paleoenvironmental change. GSA Bulletin. https://doi.org/10.1130/B35485.1
Quinn, RL and Lepre, CJ, 2020. Revisiting the pedogenic carbonate isotopes and paleoenvironmental interpretation of Kanapoi. Journal of Human Evolution 140, 102549
Lepre, CJ (2019) Constraints on Fe-oxide formation in monsoonal Vertisols of Pliocene Kenya using rock magnetism and spectroscopy. Geochemistry, Geophysics, Geosystems 20. https://doi.org/10.1029/2019GC008276
Kent, DV, Olsen, PE, Lepre, C, Rasmussen, C, Mundil, R, Gehrels, GE, et al (2019). Magnetochronology of the entire Chinle Formation (Norian age) in a scientific drill core from Petrified Forest National Park (Arizona, USA) and implications for regional and global correlations in the Late Triassic. Geochemistry, Geophysics, Geosystems 20. https://doi.org/10.1029/2019GC008474
Mana S, Hemming S, Kent DV, Lepre CJ (2019) Temporal and stratigraphic framework for paleoanthropology sites within East-Central Area 130, Koobi Fora, Kenya. Frontiers in Earth Science (accepted)
Olsen, P.E., Geissman, J.W., Kent, D.V., Gehrels, G.E., Mundil, R., Irmis, R., Lepre, C., Rasmussen, C., Giesler, D., Parker, W.G. and Zakharova, N., 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, 24, pp.15-40.
Kent, D.V., Olsen, P.E., Rasmussen, C., Lepre, C., Mundil, R., Irmis, R.B., Gehrels, G.E., Giesler, D., Geissman, J.W. and Parker, W.G., 2018. Empirical evidence for stability of the 405-kiloyear Jupiter–Venus eccentricity cycle over hundreds of millions of years. Proceedings of the National Academy of Sciences, 115(24), pp.6153-6158.
Lepre, C.J., 2017. Crevasse‐splay and associated depositional environments of the hominin‐bearing lower Okote Member, Koobi Fora Formation (Plio‐Pleistocene), Kenya. The Depositional Record, 3, pp. 161-186.
Sun, J., Chillrud, S.N., Mailloux, B.J., Stute, M., Singh, R., Dong, H., Lepre, C.J. and Bostick, B.C., 2016. Enhanced and stabilized arsenic retention in microcosms through the microbial oxidation of ferrous iron by nitrate. Chemosphere, 144, pp.1106-1115.
Lepre, C.J. and Kent, D.V., 2015. Chronostratigraphy of KNM-ER 3733 and other Area 104 hominins from Koobi Fora. Journal of human evolution, 86, pp.99-111.
Harmand, S., Lewis, J.E., Feibel, C.S., Lepre, C.J., Prat, S., Lenoble, A., Boës, X., Quinn, R.L., Brenet, M., Arroyo, A. and Taylor, N., 2015. 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. Nature, 521, pp.310-315.
Lepre, C.J., 2014. Early Pleistocene lake formation and hominin origins in the Turkana–Omo rift. Quaternary Science Reviews, 102, pp.181-191.
Quinn, R.L., Lepre, C.J., Feibel, C.S., Wright, J.D., Mortlock, R.A., Harmand, S., Brugal, J.P. and Roche, H., 2013. Pedogenic carbonate stable isotopic evidence for wooded habitat preference of early Pleistocene tool makers in the Turkana Basin. Journal of human evolution, 65(1), pp.65-78.
Lepre, C.J., Roche, H., Kent, D.V., Harmand, S., Quinn, R.L., Brugal, J.P., Texier, P.J., Lenoble, A. and Feibel, C.S., 2011. An earlier origin for the Acheulian. Nature, 477(7362), p.82.
Lepre, C.J. and Kent, D.V., 2010. New magnetostratigraphy for the Olduvai Subchron in the Koobi Fora Formation, northwest Kenya, with implications for early Homo. Earth and Planetary Science Letters, 290(3), pp.362-374.