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Geologic map of the Phaethontis Quadrangle of Mars Geologic map of the Phaethontis Quadrangle of Mars
The Phaethontis quadrangle of Mars is dominated by densely cratered uplands and plateaus which form some of the oldest surfaces on the planet. Extensive low-lying areas within the cratered terrains, including the floors of the large craters, are covered to different degrees by plains-forming material. The youngest plains unit surround Tharsis Montes to the north. Various erosional...
Geologic map of the Ruby Mountains, Nevada Geologic map of the Ruby Mountains, Nevada
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