Curiosity Finds a Bizarre Rock on Mars that Looks Like a Flower - By Nancy_A , images via MarsCuriosity and kevinmgill
, originally the feature was embedded within a rock, which eroded away over time. These mineral clusters, however, appear to be resistant to erosion.
Another name for these features is concretion, which you may remember from the Opportunity rover, who saw features that were nicknamedsince they were small and round. You can see round concretions next to the flower-like feature in this image. The rover science team saw this feature earlier this week and named it ‘Blackthorn Salt’. They used the rover’s Mars Hand Lens Imager, called MAHLI, to take these close-up images. This camera is the rover’s version of the magnifying hand lens that geologists usually carry with them into the field. MAHLI’s close-up images reveal the minerals and textures in rock surfaces.
Curiosity rover obtained this ‘Hand Lens’ extreme close-up of one of the very small and rather unusual concretion features. This one has been called ‘Blackthorn Salt’. Credit: NASA/JPL-Caltech/MSSS/Kevin M. Gill
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