pyritization

[‚pī‚rīd·ə′zā·shən]

(geology)

A common process of hydrothermal alteration involving introduction of or replacement by pyrite.

References in periodicals archive ?

3b) and gold mineralization mainly occurs with silicification and pyritization. Altered rock type is strongly associated with intense silicification, pyritization, chloritization and illitization and its protolith are commonly volcanic breccia and tuff (Fig.

Characteristics of genetic mineralogy of pyrite and quartz and their indicating significance in the Gaosongshan Gold Deposit, Heilongjiang Province, NE China/Caracteristicas de mineralogia genetica de piritas y cuarzos y su importancia en el yacimiento aurifero de Gaosongshan, Provincia de Heilongjiang, al noreste de China

During the early stage of the diagenetic period, recrystallization of quartz and extensive pyritization took place and the purple sandstone was discolored and changed into the light grey sandstone zone in the red-bed type copper deposits, Chuxiong basin.

Physiochemical Restrictions of Mineral Zoning of Sediment-Hosted Stratiform Copper Deposit in SW China

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.

Fixation and redistribution of arsenic during early and late diagenesis in the organic matter-rich members of the Lockatong Formation, Newark basin, USA: implications for the quality of groundwater

From microstructural observation, it can be inferred that the post-depositional and diagenetic history of the La Luna Formation included episodes of calcite cementation, pyritization of organic matter and illitization of smectite.

Caracterizacion microestructural de tipos de poros en reservorios no convencionales de gas utilizando MEBFEC: Un ejemplo del Miembro Galembo de la Formacion La Luna del Cretaceo, Cuenca del Valle Medio del Magdalena (Colombia)

Pyritization of the coastal sediments in the Kelantan plains in the Malay peninsula during the Holocene.

Effects of Aluminum, Iron and/or Low pH on Rice Seedlings Grown in Solution Culture

Volcanic tuffs also show alterations and plant remains show pyritization. At the site of uranium mineralization no color or mineral change occurs[4].

URANIUM DEPOSITS AND RESOURCES POTENTIAL IN PAKISTAN: A REVIEW

These facies revealed the signs of diagenetic alteration caused by the micritization dissolution cementation pyritization recrystallization physical and chemical compaction and fracturing.

Implication of the diagenetic evolution for the diagnosis of reservoir potential of the Amb Formation western Salt Range Pakistan

The brown colour of the burrow cover may be caused by pyritization.

First record of the trace fossil Oikobesalon from the Ordovician (Darriwilian) of Baltica/Oikobesalon'i jalgede esmaleid Baltika Ordoviitsiumist

Huerta-Diaz MA, Morse JW (1992) Pyritization of trace metals in anoxic marine sediments.

Soil genesis on hypersaline tidal flats (apicum ecosystem) in a tropical semi-arid estuary (Ceara, Brazil)

The mineralizations are silicification, ferritization, pyritization, malachitization, and chalcopyritization.

A fast independent component analysis algorithm for geochemical anomaly detection and its application to soil geochemistry data processing

Pyritization of a thick zone that has taken place beneath an erosion surface may represent a significant hiatus associated with the erosion event [33].

Multiscale erosion surfaces of the organic-rich Barnett Shale, Fort Worth Basin, USA

Roychoudhury AN, Kostka JE, Van Cappellen P (2003) Pyritization: a palaeoenvironmental and redox proxy reevaluated.

Micromorphological evidence for mineral weathering pathways in a coastal acid sulfate soil sequence with Mediterranean-type climate, South Australia

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