Category:Septarium

Sep*ta"ri*um, n.;pl. Septaria. Etym: [nl., fr. L. septum, saeptum, an Inclosure, a partition, fr. sepire, saepire, to inclose.] (geol.)

Defn: a flattened concretionary nodule, usually of limestone, Intersected within by cracks which are often filled with calcite, Barite, or other minerals.