SP Fig. 2. LA-ICP-MS U–Pb dating of Carboniferous ash layers in the Cantabrian Zone (N Spain): stratigraphic implications

SP FIg. 2. Stratigraphic section of the Santo Firme Coalfield reconstructed using information from IGME (1984) and Trell (1988). Fusuline Zones from Villa & Merino-Tomé (2016), palynologic Zones from Horvarth (1985) and stages and substages of Western European regional scale and Uralsare indicated.