pyritization

pyritization

[‚pī‚rīd·ə′zā·shən]
(geology)
A common process of hydrothermal alteration involving introduction of or replacement by pyrite.
References in periodicals archive ?
Crystallographic and chemical variations during pyritization in the upper Barremian and lower Aptian dark claystones from the Lower Saxonian Basin (NW Germany): Sedimentology, 37, pp.
Pyritization of the coastal sediments in the Kelantan plains in the Malay peninsula during the Holocene.
Volcanic tuffs also show alterations and plant remains show pyritization.
These facies revealed the signs of diagenetic alteration caused by the micritization dissolution cementation pyritization recrystallization physical and chemical compaction and fracturing.
Huerta-Diaz MA, Morse JW (1992) Pyritization of trace metals in anoxic marine sediments.
Within the host rocks, hydrothermal mineralization was accompanied by propylitization-sericitization, silicification, carbonatization, pyritization and kaolinitization.
The sutures are rendered inaccurate not only by the distortion of pyritization but also by the distortion inherent in reproduction via a camera lucida.
These typically exhibit zonation of alunitic to propylytic "argillic" mineralization with extensive silicification and pyritization.