| 释义 |
obolite Palæont.|ˈɒbəlaɪt|
[f. L. obol-us + -ite.]
A fossil shell of the genus Obolus. obolite-grit, a name for the Silurian formation containing these.
1859Owen in Encycl. Brit. (ed. 8) XVII. 105/1 Obolite grit. 1865Page Handbk. Geol. Terms, Obolus, a genus of bivalves belonging to the Lingula family, and characterised by their orbicular, smooth, calcareo-corneous, sub-equivalve shells... There are several species occurring in the Silurians of Northern Europe; hence the ‘obolite grit’ of Sweden and Russia. |