Some further remarks upon the subject will be found in the sequel under the heading of metamorphism.
"Geology"
James Geikie
Heated water would appear to have been the agent to which much of the metamorphism which affects the rocky strata must be attributed.
"Geology"
James Geikie
The process, called metamorphism, took place in the depths of the earth, where the heat is greater than at the surface.
"An Introduction to Chemical Science"
R.P. Williams