P 102 Upper Llandovery sandstone
分類 | Rocks: |
年代 | Paleozoic Silurian Upper Silurian: |
産地 | May Hill |
文献 | Department of Science, Tokio-Daigaku, 1881: Cambrian and Silurian formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–15. Department of Science, Tokio-Daigaku. |