Refining the Late Quaternary Tephrochronology for Southern
Quaternary Science Reviews 218 (2019) 137e156 Contents lists available at ScienceDirect Quaternary Science Reviews journal homepage: www.elsevier.com/locate/quascirev Refining the Late Quaternary tephrochronology for southern South America using the Laguna Potrok Aike sedimentary record * Rebecca E. Smith a, , Victoria C. Smith a, Karen Fontijn b, c, A. Catalina Gebhardt d, Stefan Wastegård e, Bernd Zolitschka f, Christian Ohlendorf f, Charles Stern g, Christoph Mayr h, i a Research Laboratory for Archaeology and the History of Art, 1 South Parks Road, University of Oxford, OX1 3TG, UK b Department of Earth Sciences, University of Oxford, OX1 3AN, UK c Department of Geosciences, Environment and Society, Universite Libre de Bruxelles, Belgium d Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Alten Hafen 26, D-27568, Bremerhaven, Germany e Department of Physical Geography, Stockholm University, SE-10691 Stockholm, Sweden f University of Bremen, Institute of Geography, Geomorphology and Polar Research (GEOPOLAR), Celsiusstr. 2, D-28359, Bremen, Germany g Department of Geological Sciences, University of Colorado, Boulder, CO, 80309-0399, USA h Institute of Geography, Friedrich-Alexander-Universitat€ Erlangen-Nürnberg, Wetterkreuz 15, 91058 Erlangen, Germany i Department of Earth and Environmental Sciences & GeoBio-Center, Ludwig-Maximilians-Universitat€ München, Richard-Wagner-Str. 10, 80333 München, Germany article info abstract Article history: This paper presents a detailed record of volcanism extending back to ~80 kyr BP for southern South Received 12 March 2019 America using the sediments of Laguna Potrok Aike (ICDP expedition 5022; Potrok Aike Maar Lake Received in revised form Sediment Archive Drilling Project - PASADO). Our analysis of tephra includes the morphology of glass, the 29 May 2019 mineral componentry, the abundance of glass-shards, lithics and minerals, and the composition of glass- Accepted 2 June 2019 shards in relation to the stratigraphy.
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