Definition of polymict in English:

polymict

adjective

Geology
  • (of a conglomerate) consisting of fragments of several different rock types:

    ‘polymict eucrites’
    • ‘They consist of unconsolidated polymict breccias with angular fragments up to 2 m in diameter, within a sandy matrix, which shows poorly developed flow-parallel bedding.’
    • ‘The landslide rests on a polymict conglomerate and the lower 2 m of the landslide is intensely brecciated.’
    • ‘In summary, the Cranford Limestone Formation is a poorly sorted polymict conglomerate with a predominantly carbonate matrix.’
    • ‘The Psammite Zone is characterized by metamorphosed feldspathic arenites with some shales, lithic arenites and rare polymict conglomerates.’
    • ‘Most bodies consist of monomict gabbro breccia resting directly on polymict conglomerate.’

Origin

1950s: from poly- ‘much’ + Greek miktos mixed.

Pronunciation:

polymict

/ˈpɒlɪmɪkt/