Which Came First?

Image Credit: NASA/JPL/ASU

About this image

The highstanding material in this image are old, fractured lava flows. The fracturing created the maze-like western part of Valles Marineris called Noctis Labyrinthus. Younger lava flows from the Tharsis volcanos have filled the low areas.

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

Context

Image ID:

V23631002 (View data in Mars Image Explorer)

Latitude: -7.9754

Longitude: 250.363

Orbit Number: 23631

Captured: 2007-04-12 17:40

Posted to Web: Tue, 2007-05-08

Instrument: VIS

Image Width: 1024 pixels (17 km)

Image Height: 3648 pixels (63 km)

Vertical Resolution: 0.017358 km/pixel

Horizontal Resolution: 0.017484 km/pixel

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