If you're fascinated by rocks and spend hours digging for interesting samples in
the backyard, you might be a budding
The scientific study of the origin, history, and structure of the earth. 2. The
structure of a specific region of the earth's crust. 3. A book on
a science that studies rocks, layers of soil, etc., in order to learn about the history of the Earth and its life. : the rocks, land, processes of land formation, etc., of a ...
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