Associations to the word «Petrology»

Wiktionary

PETROLOGY, noun. (geology) the study of the origin, composition and structure of rock

Dictionary definition

PETROLOGY, noun. The branch of geology that studies rocks: their origin and formation and mineral composition and classification.

Wise words

Life has no meaning unless one lives it with a will, at least to the limit of one's will. Virtue, good, evil are nothing but words, unless one takes them apart in order to build something with them; they do not win their true meaning until one knows how to apply them.
Paul Gauguin