Our goal is to compare textures and determine stratigraphy for these two materials. Enhanced color very useful for mapping units of distinct composition.
Dark
Light
Data from other instruments, such as THEMIS and CRISM, imply that chlorides are present here; the CRISM data reveal that iron/magnesium clays are also present.
Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_016162_1495
Related Posts
Dark Striations near Holmes Crater
Context Camera imagery reveals dark streaks extending east of minor crater rims within and around Holmes Crater.
The Saga of Airy-0
Up to now, we’ve never imaged Airy-0, a crater within Airy Crater that formerly was used to define zero longitude on Mars.
Detecting Olivine near Noachis Terra
This observation shows the bedrock on the floor of a crater near Noachis Terra. This crater is unique because it has been very well characterized as being olivine rich.
Possible Impact Melt in Terra Sabaea
Nighttime and daytime infrared images from THEMIS suggest a consolidated deposit in the floor of this ancient crater in Terra Sabaea, potentially with some bedrock exposure.