Sericitic alteration

Sericitic alteration or sericitization is a type of hydrothermal alteration characterized by the development of fine-grained white mica assemblages collectively referred to as sericite. In the Buchans–Roberts Arm Belt of Newfoundland, these assemblages include muscovitic illite, phengite, and paragonite associated with hydrothermal alteration zones.

References

↑ Sparkes, G.W. (2022). Short wavelength infrared spectrometry studies of sericitic alteration zones, southern Buchans–Roberts Arm Belt, Newfoundland (PDF) (Current Research). Newfoundland and Labrador Department of Industry, Energy and Technology. pp. 85–118. 22-1. Archived from the original (PDF) on 2025-12-31. Retrieved 2026-05-08.

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[1] Sparkes, G.W. (2022). Short wavelength infrared spectrometry studies of sericitic alteration zones, southern Buchans–Roberts Arm Belt, Newfoundland (PDF) (Current Research). Newfoundland and Labrador Department of Industry, Energy and Technology. pp. 85–118. 22-1. Archived from the original (PDF) on 2025-12-31. Retrieved 2026-05-08.