You searched for: “argillic alteration”
argillic alteration (s) (noun), argillic alterations (pl)
A process of rock changes whereby certain minerals in a rock are changed into clay minerals: The students learned about argillic alteration that can take place when specific solid homogeneous inorganic substances are turned into minerals found in clay.
This entry is located in the following units: argill-, argillo- + (page 1) -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 9)