On sol 1533, Curiosity dumped the leftover powder from the sample it had drilled at Sebina on sol 1495. Overnight, the rover placed the APXS instrument on the engineers' best-predicted spot for the location of the dump pile. In the morning of sol 1534, only a small amount of the reddish dump pile remained, the material that had been protected by APXS overnight. The rest had blown away in the wind. In its place, a broad pile of larger, darker sand grains that had fallen in the wind shadow made by the rover turret.