The study of the structure of Mars. Similar to geology of Earth, areological study looks at rocks, dirt, terrain, and other physical features of the fourth planet.

Related terms include:
- areography (like geography)
- exogeology
- hydroareology (study of martian groundwaters)
- paleoareology
The areology of Olympus Mons denotes it is over 20 km tall. Areological study of the planet is difficult at such a distance, so the only areologists on the planet are Martian rovers. "Geology is the areology of Earth"
by danachos July 12, 2021
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