Tag Archives: not sure if aeolian

Windblown or not? Probably…

A Piece of Mars: This 0.95x0.95 km (0.59x0.59 mi) scene shows an eroding surface punctured by some old craters. Long, thin lines seem to form in the wake of many brighter knobs. Are those thin lines windblown in origin? They ...

Is it windblown or not?

A Piece of Mars: This 480x270 m (0.30x0.17 mi) scene shows what are being called "ridges". Were these ridges once dunes that have now been stabilized and eroded? They have some dune-like characteristics: nearly parallel crests, one slope is steeper ...

When the martian surface is eroded, pretty things emerge

A Piece of Mars: Just like at Earth's Grand Canyon, erosion on Mars has created some really beautiful landscapes. This 480x270 m (0.3x0.17 mi) scene shows rugged terrain that was once buried in sediment. Does the texture here represent the ...

Is it windblown or not?

A Piece of Mars: This scene is 0.96x0.54 km (0.60x0.34 mi) across. There's an old river valley running across it. The walls of the valley have been eroded and there's a washboard pattern with a wavelength of ~6m (20 ft). ...

Windblown or not?

A piece of Mars: The surface in this 960x540 m (0.6x0.34 mi) scene has a distinct fabric to it that runs from the upper left to lower right. Are these old lithified dunes? And what makes the tiny filamentary lines ...