NASA's Mars Global Surveyor shows  light-toned, layered, sedimentary rock exposures in Terby Crater, just north of Hellas Planitia on Mars. These rocks might have formed from sediment deposited in a lake or a larger Hellas-filling sea.

2 November 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows light-toned, layered, sedimentary rock exposures in Terby Crater, just north of Hellas Planitia. These rocks might have formed from sediment deposited in a lake or a larger Hellas-filling sea.

Location near: 28.0°S, 285.4°W
Image width: width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Spring

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