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Smith, Eugene; Jacobs, Zenobia; Johnsen, Racheal; Ren, Minghua; Fisher, Erich C.; Oestmo, Simen; Wilkins, Jayne; Harris, Jacob;  Karkanas, Panagiotis; Fitch, Shelby; Ciravolo, Amber; Keenan, Deborah; Cleghorn, Naomi; Lane, Christine; Matthews, Thalassa; Marean, Curtis W., 2018, Humans thrived in South Africa through the Toba eruption about 74,000 years ago: Nature, doi:10.1038/nature25967


Hirniak, Jayde; Smith, Eugene; Johnsen, Racheal; Ren, Minghua; Hodgkins, Jamie; Orr, Caley; Negrino, Fabio; Riel-Salvatore, Julien; Fitch, Shelby; Miller, Christopher; Zerboni, Andrea; Mariani, Guido; Harris, Jacob; Gravel-Miguel, Claudine; Strait, David; Peresani, Marco; Benazzi, Stefano; Marean, Curtis, 2020, Discovery of cryptotephra at Middle-Upper Paleolithic sites Arma Veirana and Riparo Bombrini, Italy: A new link for broader geographic correlations: Journal of Quaternary Science, v. 35, p. 199-212.

Journal Publications


Conference Presentations

Smith, E.I., Ciravolo, A., Karkanas, P., Marean, C., Fisher, E., Cleghorn, N., Lane, C., Ren, M., 2014, Cryptotephra Possibly from the 74 ka Eruption of Toba Discovered at Pinnacle Point, South Africa: Implications for Resolving the Dating Controversy for Middle Stone Age Sites in Southern Africa: "Paleoanthropology Society Meeting Abstracts, Calgary, Canada, 8-9 April 2014" PaleoAnthropology 2014:A24


Smith, Eugene; Ciravolo, Amber; Ren, Minghua; Karkanas, Panagiotis;

and Marean, Curtis, 2015, Cryptotephra Discovered at Pinnacle Point Site 5-6 May Correlate with the 74 ka Eruption of Toba in Indonesia: Implications for Resolving the Dating Controversy for Middle Stone Age Sites in Southern Africa: Abstracts for the 80th annual meeting of the American Archaeological Society, San Francisco, p. 953.


Smith, Eugene, Ciravolo, Amber, Ren, Minghua, Johnsen, Racheal, Karkanas, Panagiotis, Marean, Curtis W., Fisher, Erich C. and Lane, Christine, 2015,  Youngest Toba Tuff (~74 ka) cryptotephra identified in an archaeological site at Pinnacle Point, South Africa: Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p. 599


Smith, Eugene, Oestmo, Simen, Wilkins, Jayne, Johnsen, Racheal, Ren, Minghua, Ciravolo, Amber, Fitch, Shelby, Jacobs, Zenobia, Karkanas, Panagiotis, Fisher, Erich, Marean, Curtis, Temporal link established between two Middle Stone Age sites (South Coast, South Africa) using the Toba isochron, (2017) "Abstracts of the Paleoanthropology Society 2017 Meeting" PaleoAnthropology 2017:A35


Smith, Eugene, Johnsen, Racheal, Hirniak, Jayde, Fitch, Shelby, Orr, Caley, Ren, Minghua, Strait, David, Miller, Christopher, Negrino, Fabio, Riel-Salvatore, Julien, Peresani, Stefano, Gravel-Miguel, Claudine, Marean, Curtis, Hodgkins, Jamie, 2018, Rhyolite cryptotephra identified in Mousterian Deposits at Arma Veirana, Italy, Abstracts of the Paleoanthropology Society 2018 Meeting: Paleoanthropology 2018-A33.

Jayde Hirniak, Eugene Smith, Racheal Johnsen, Minghua Ren, Shelby Fitch, Curtis W. Marean. 2019, Using cryptotephra in archaeology: precise correlations and improved age estimates. Society for American Archaeology meeting in Albuquerque, New Mexico, Abstract 403.


Smith, Eugene, Racheal Johnsen, Jayde Hirniak, Minghua Ren and Curtis Marean, 2019, Cryptotephra Studies in Africa: A Tool for Precise Dating and Continental Correlation of Archaeological Sites. Society for American Archaeology meeting in Albuquerque, New Mexico, Abstract 32.


Jayde Hirniak, Eugene Smith, Racheal Johnsen, Shelby Fitch, Caley Orr, David Strait, Minghua Ren, Christopher E. Miller, Fabio Negrino, Julien Riel-Salvatore, Marco Peresani, Stefano Benazzi, Claudine Gravel-Miguel, Curtis W. Marean, Jamie Hodgkins, 2019, Using Cryptotephra to Link Neanderthal and Modern Human Middle Paleolithic Sites in NW Italy. Abstract: INQUA-INTAV International Field Conference and Workshop: Crossing New Frontiers in Transylvania, Romania.


Eugene Smith, Stephen Rowland, Racheal Johnsen, Minghua Ren, Shelby Fitch, 2019, First Report of Cryptotephra from the Las Vegas Formation, Tule Springs Fossil Beds National Monument, Nevada, Geological Society of America Abstracts with Programs. Vol. 51, No. 5, ISSN 0016-7592 doi: 10.1130/abs/2019AM-333705.

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