Middle Miocene continental temperature and precipitation change recorded in North American paleosols

Katharina Methner, Senckenberg Biodiversity and Climate Research Centre, Frankfurt, Germany, C Page Chamberlain, Stanford University, Stanford, CA, United States, Jens Fiebig, Goethe University, Institute of Geosciences, Frankfurt (Main), Germany and Andreas Mulch, Senckenberg Biodiversity and Climate Research Centre, Frankfurt (Main), Germany