A south-facing escarpment in the Northwest Hellas region that was targeted for the phyllosilicates shows instances of bluish rock in this enhanced color image .
CRISM spectra of the bluish material shows that it consists of a combination of chlorite and water ice. The image was captured at the beginning of southern spring, at a time period when south-facing escarpments still retain ices deposited during the winter.
Written by: Eldar Noe (22 May 2013)
This is a stereo pair with ESP_027270_1530 .
More info and image formats at http://hirise.lpl.arizona.edu/ESP_027758_1530
Image: NASA/JPL/University of Arizona