Photograph and analytical data of zircons from ash-fall tuff in the Kinbusan area in eastern Tottori Prefecture.

<p>The location of analyzed sample is 35°34′42″N, 134°21′32″E. For details of the sample, refer Haji (2024, Figs. 1, 3; <a href="https://doi.org/10.5575/geosoc.2024.0027" target="_blank">10.5575/geosoc.2024.0027</a>).</p> <p><br></p> <p><strong>Fig. S1. </strong>(a) Photomicrograph and (b) cathodoluminescence images of the analyzed zircons. Yellow squares in (b) indicate ablation spots. The scale in (b) is 20 μm.</p> <p><br></p> <p><strong>Table S1. </strong>Instrumentation and operating conditions of the femtosecond LA–MC–ICP–MS.(a)Laser–ablation (LA) system. (b)ICP–MS instrument.</p> <p><br></p> <p><strong>Table S2. </strong>Isotopic data and U‒Pb ages of zircons with 2σ uncertainties (first routine). </p> <p>"*": discordant data. "y": data of the young cluster. "o": data of the old cluster.</p> <p><br></p> <p><strong>Table S3.</strong> Isotopic data and U‒Pb ages of zircons with 2σ uncertainties (second routine). </p> <p>"*": discordant data. "y": data of the young cluster. "o": data of the old cluster.</p>