M 1160 Silicifieds wood
分類 | Rocks: |
年代 | Mesozoic Cretaceous Upper Cretaceous: Senonian: |
産地 | Upper Missouri. |
文献 | Department of Science, Tokio-Daigaku, 1881: Cretaceous formation. Catalogue of Histrical Geology. Mesozoic., pp. 1–26. Department of Science, Tokio-Daigaku. |