septarium

English

Etymology

From Latin saeptum (“inclosure, partition”) +‎ -arium.

Noun

septarium (plural septaria)

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

   Synonym: turtle-stone

Gallery

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  Septaria in Dalian, China
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Anagrams

• impasture, marsupite