from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The hydrothermal process whereby a rock is transformed into a pyrite
from The Century Dictionary and Cyclopedia
- n. Conversion into pyrites.
Sorry, no etymologies found.
Work to date is centered around a diatreme dike complex 300 meters wide by 600 meters long which is associated with strong argillic alteration (illite-sericite), pyritization.