SEPTARIAN Definition & Meaning

septarian

[ sep-tair-ee-uhn ]

Phonetic (Standard)IPA

adjective

Geology.

being or relating to a septarium, a nodule or mass of limestone, ironstone, etc., with a network of cracks inside it filled with calcite and other minerals:
The creation of these septarian concretions began about 60 million years ago when muddy sediment slowly accumulated on the seafloor.

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�y��vlog History and Origins

Origin of septarian¹

First recorded in 1815–25; septari(um) ( def ) + -an ( def )

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Example Sentences

Examples have not been reviewed.

The London Clay, 500 ft. thick, is a marine deposit consisting of blue or brown clay with sandy layers and septarian nodules; its equivalent in the Hampshire area is sometimes called the Bognor Clay, well exposed on the coast of Sussex.

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A little above the oyster bed is a band of hard-bluish septarian limestone.

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This recalls the occurrence of fossils in septarian nodules, flints, phosphatic concretions, &c., in the older strata.

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Another type of concretion, very abundant in many clays and shales, is the “septarian nodule.”

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Many shales contain great numbers of ovoid or rounded septarian nodules of clay ironstone.

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