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Geologic map of MTM quadrangles -15257 and -20257 of western Hesperia Planum, Mars
The volcanic edifice of Tyrrhena Patera (approximately -22°N, 252°W), Mars, stands 1800 m above the surrounding plains of Hesperia Planum, approximately 2000 km northeast of the center of the Hellas impact basin. Shallow ...
The geologic history of Apollinaris Mons, Mars
Apollinaris Mons (AM), Mars (174.3°E, 8.5°S), is a low-lying, central-vent volcano located near the boundary between the northern lowlands and the southern highlands, and ∼200 km north of Gusev crater. It has a fan-shaped ...