Geologic map of the Mare Acidalium Quadrangle, Mars (Revised)
Mare Acidalium is one of the dark areas on the map of Mars of Schiaparelli (1886). Acidalia Planitia , a large, low-albedo depression lying as low as 3 km below the Martian d atum (U.S. Geological Survey , 1976) makes up much of the Mare Acidalium quadrangle. Arabia Terra and Tempe Terra bound Acidalia Plan itia to the southeast and southwest, respectively. Chry se Planitia is south and Vastitas Borealis is north of Acidalia Planitia.
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