rockmantoligost
Astronomers
rocks
People who study marine biology are known as marine biologists. They specialize in the study of marine organisms, ecosystems, and environments.
People who study different things are often referred to as scholars, researchers, or academics, depending on the specific field they are studying.
The colloquial term for someone who's interested in and knowledgeable about rocks is "rock hound."
Sedimentologists.
Sedimentologists.
I believe they are called Geologists.
Geologists
Butt face
A mineralogist or a geologist.
The layer of solid unbroken rocks in the Earth's crust is called the lithosphere.
The people that study ruins are archaeologist.
People who study pathology are called pathologists.
People who study psychology are called psychologists.
People who study bats are called chiropterologists.
Demographers.