Definition of pyritic in US English:

pyritic

adjective

  • See pyrites

    • ‘Its down-dip sulfide ores were sideritic and pyritic, with golden barite forming one of the gangue minerals.’
    • ‘The mill produced a lead concentrate, a zinc concentrate, and pyritic tailings.’
    • ‘The beds at this level are distinctly pyritic and the basal Psiloceras-bearing limestone is underlain by a 20 m thick black shale.’
    • ‘The member is commonly pyritic, and weathers to a distinctive white colour on inland exposures.’
    • ‘Molds and pyritic casts are represented in some sandstone beds but are rare.’

Pronunciation