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Related to septarium: Septarian Nodule


n. pl. sep·tar·i·a (-ē-ə)
An irregular polygonal system of calcite-filled cracks occurring in certain rock concretions.

[Latin saeptum, partition; see septum + -arium.]

sep·tar′i·an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ia (-ɪə)
(Geological Science) a mass of mineral substance having cracks filled with another mineral, esp calcite
[C18: from New Latin, from Latin septum]
sepˈtarian adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The Lower Maykopian subseries rocks correspond to the Khadum Formation, Batal-pashin Formation and Septarium Formation and are clearly identified in the section by both lithology and microfauna.