The antiquity of the Sahara Desert: New evidence from the mineralogy and geochemistry of Pliocene paleosols on the Canary Islands, Spain - Muhs, Daniel R.; Meco, Joaquin; Budahn, James; Skipp, Gary; Betancort, Juan; Lomoschitz, Alejandro (Palaeogeography, Palaeoclimatology, Palaeoecology, 2019)