Hydrated Minerals North of Hellas Basin
Hydrated Minerals North of Hellas Basin
ESP_021705_1510  Science Theme: Composition and Photometry
This image is from a region to the north of Hellas Basin. The CRISM instrument on MRO has shown that there are hydrated minerals on the surface throughout this area and several targets in this region have been acquired.

This HiRISE image has considerable diversity in color suggesting a range of surface compositions. This cutout is one example. It appears here that a face has been revealed by a rock-fall (note the large boulders at the bottom of the image). The exposed face is markedly bluer in color suggesting the presence of hydrated minerals.

Written by: Nicolas Thomas  (13 April 2011)
Acquisition date
14 March 2011

Local Mars time

Latitude (centered)

Longitude (East)

Spacecraft altitude
258.0 km (160.4 miles)

Original image scale range
from 25.9 cm/pixel (with 1 x 1 binning) to 51.9 cm/pixel (with 2 x 2 binning)

Map projected scale
25 cm/pixel and North is up

Map projection

Emission angle

Phase angle

Solar incidence angle
43°, with the Sun about 47° above the horizon

Solar longitude
254.4°, Northern Autumn

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  359.6°
Black and white
map projected  non-map

IRB color
map projected  non-map

Merged IRB
map projected

Merged RGB
map projected

RGB color
non-map projected

Black and white
map-projected   (943MB)

IRB color
map-projected   (467MB)

Black and white
map-projected  (474MB)
non-map           (456MB)

IRB color
map projected  (193MB)
non-map           (604MB)

Merged IRB
map projected  (281MB)

Merged RGB
map-projected  (268MB)

RGB color
non map           (604MB)
B&W label
Color label
Merged IRB label
Merged RGB label
EDR products

IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible:

NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.