Septarium

[sep'teәriәm]

解釋/意思:

(n.) A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

編輯:朱利叶斯

解釋/意思:

n. an ovate flattened nodule of argillaceous limestone or ironstone—turtle-stone:—pl. Septā′ria.—adj. Septā′rian.

錄入:莱斯特