Curious forms in Santa Maria Crater on Mars, photographed by Opportunity at the end of 2010 … :
I circled in red the curious shapes. And I selected especially with the expansions, it is located at the top of the photo, in The Far Left. Voir la flèche. See arrow.
It is located on the same picture: the top and towards the middle. See arrow.
The photos are on both official sites here:
The crocodile in Santa Maria online 21 December 2010 on the site here:
Santa Maria and Opportunity: article posted December 24, 2010: