Category:Geology

Geology is the study of the earth and how it was formed and shaped, and how it continues to change.

Ge*ol"o*gy, n.; pl. Geologies. Etym: [Gr. -logy: cf. F. géologie.]

1. The science which treats: (a) Of the structure and mineral constitution of the globe; structural geology. (b) Of its history as regards rocks, minerals, rivers, valleys, mountains, climates, life, etc.; historical geology. (c) Of the causes and methods by which its structure, features, changes, and conditions have been produced; dynamical geology. See Chart of The Geological Series.

2. A treatise on the science.