Morava Valles and Margaritifer basin

Geologic Map of Morava Valles and Margaritifer basin, Mars
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This geologic map in Margaritifer Terra captures the end of a very long valley system. On Early Mars, water flowed through Morava Valles (green units) and ponded in a low-lying topographic depression known as Margaritifer basin (broadly outlined by the light and dark purple units).

Source:

U.S. Geological Survey

Credit:

Sharon A. Wilson, John A. Grant, and Kevin K. Williams (2020), Geologic Map of Morava Valles and Margaritifer basin, Mars, MTM Quadrangles -10022 and -15022, 1:500,000 scale, USGS Scientific Investigations Map, in press.

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