Definition of septarian in English:

septarian

adjective

Geology
  • See septarium

    • ‘Polygonal septarian cracks are filled with sparry calcite cements or micrite matrix.’
    • ‘The areas along fault planes were subjected to a shearing action that produced a pattern of fracturing that is different from the desiccation cracking of a normal septarian concretion.’
    • ‘On Thursday, the group moved to Moeraki, home of the famous ‘Moeraki boulders,’ large septarian nodules that weather out of the cliffs.’
    • ‘These are found rarely in large septarian concretions in the Huron Shale in north-central Ohio near Milan, in Huron County.’
    • ‘Consequently, they are only readily detected in septarian cracks and vugs that show an incomplete paragenesis.’