Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. People (hierarchy name)
4. people (agents)
5. [people by occupation]
6. [people in science-related occupations]
7. scientists
8. earth scientists

Narrower term/s

• geomorphologists
• mineralogists
• paleontologists
• stratigraphers
• gemologists

Anotations

Scope note:

Those trained and working in the science that deals with the physical history of the earth, the rocks of which it is composed, and the physical changes which it has undergone and is undergoing.