I'd suggest you start by getting excellent grades in high school, concentrating on math and science, then completing a university degree in geology and perhaps further specialized training, either at university or in the field.
Typically it is a Geologist.
A geologist.
geologist
A geologist has been called in to identify these rocks. I want to be a geologist.
A geologist could tell you what kind of rock that is. I am studying to become a geologist.
A Geologist.
The cast of The Geologist - 2012 includes: Richard Elfman as The Geologist
A geologist is a person who studies rocks and earth.
geologist studies rock minerals and land forms
yes ; I am a geologist
Geologist.
A geologist studies Earth's structure