from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having unstable thermal stratification


Sorry, no etymologies found.


  • At about -400 metres, a polymictic agglomerate unit also appears, showing singular fragments of margin-chilled rhyolite, fragments of rhyolitic welded tuffs and fragments of devitrified felsic glass, all evidence of hot, and therefore near-source, deposition.

    The Earth Times Online Newspaper

  • Furthermore, the deepest holes show a significant increase in the intensity and thickness of the black chlorite alteration, as well as a marked thickening of the felsic volcanic units, along with the appearance of a polymictic agglomerate unit; these are well-recognized indicators of an increasingly proximal volcanogenic massive sulphide geological environment.

    The Earth Times Online Newspaper

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