A geologist.
don't no geologists If focusing on the minerals of a rock then it would be classified as a mineralogist.
geologists
A mineralogist or a geologist.
scientist
scientist
oceanographer
physicist
Marine biologist
marine biologist :)
A scientist who studies all forms of life is called a biologist. Biologists study living organisms, their interactions, and their environments to understand biological processes and systems.
A Geologist.
marine biologist.