Oxygen isotope analysis of the eyes of pelagic trilobites: Testing the application of sea temperature proxies for the Ordovician
Keywords: ابزارها و تکنیک ها; Stable isotope geochemistry; Marine geochemistry; Instruments and techniques; Biomineralization; Petrography; Microstructures; Textures; Trilobite; Oxygen isotopes; Ordovician; Paleotemperature; Microstructure;