Sandstone On Mars In Detail
by Science Source
Title
Sandstone On Mars In Detail
Artist
Science Source
Medium
Photograph - Photograph
Description
The Curiosity Mars rover captured this detailed view of a sandstone target called "Big Arm" on May 29, 2015. The view covers an area about 1.3 inches (33 millimeters) wide in detail. The rounded shape of some grains visible here suggests they traveled long distances before becoming part of the sediment that later hardened into sandstone. Other grains are more angular and may have originated closer to the rock's current location. Lighter and darker grains may have different compositions. Three separate images taken by the Mars Hand Lens Imager (MAHLI) camera on NASA's Curiosity Mars rover, at different focus settings, were combined into this focus-merge view. The Big Arm target on lower Mount Sharp is at a location near "Marias Pass" where a mudstone bedrock is in contact with overlying sandstone bedrock.
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May 25th, 2020
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