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Calcite U?Pb age of the Cretaceous vertebrate-bearing Bayn Shire Formation in the Eastern Gobi Desert of Mongolia: usefulness of caliche for age determination.
Yuto Kurumada, Shogo Aoki, Kazumasa Aoki, Daichi Kato, Mototaka Saneyoshi, Khishigjav Tsogtbaatar, Brian F. Windley and Shinobu Ishigaki |