from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The hydrothermal or metamorphic replacement of a mineral, often plagioclase, by sericite (white mica)
from The Century Dictionary and Cyclopedia
- n. In petrography, the alteration of a mineral or rock to sericite.
Sorry, no etymologies found.
Extensive alterations of the country rock in the way of silicification and sericitization, and the presence of minerals like garnet, tourmaline, diopside, and others, known to be commonly deposited by the same hot solutions which make many ore deposits, may furnish a clue for exploration below.
Alteration dominated by strong sericitization and silicification was encountered in this hole along with quartz veining and abundant pyrite.