Fig. 5From: Reconciling strontium-isotope and K–Ar ages with biostratigraphy: the case of the Urgonian platform, Early Cretaceous of the Jura Mountains, Western Switzerland(Sr/Ca) × 1,000 to Mn, and Sr/Mg to Mn/Mg cross plots of the analysed rhynchonellids from the western Swiss JuraBack to article page