Not all rocks on Mars are basalts. Last month’s NASA pictures show familiar ripple marks, made of sand blown recently, and whose shape and position are changing.18MARS-web-videoLarge.jpg



These images are very like the wind-formed ripples so familiar on earthly sand dunes.

th-1.jpeg   th.jpeg gives detail of Evening Light, Bream Bay, inspired by the local sand dunes of Ruakaka, New Zealand:


More information from the Richard Robinson Gallery, 14 Surfside Lane, Ruakaka 0116, Northland, New Zealand.