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Meanwhile, back on Mars... I’m checking out these stick-like figures. Each is about a quarter-inch long. Maybe they're crystals? Or they could be minerals that filled spaces where crystals dissolved away. Stay tuned! Science continues.
"They look remarkably similar to Ordovician trace fossils I have studied and photographed here on Earth," DiGregorio told Inside Outer Space. "If not trace fossils, what other geological explanations will NASA come up with?"
Serendipitously, they were first spotted in black and white imagery. The features were compelling enough for the science team to roll Curiosity back to examine them further, making use of MAHLI — a focusable color camera mounted on the rover's arm, Vasavada said. "These were unique enough, given the fact that we didn't know they were there … [that] we thought we should go back," Vasavada explained.
originally posted by: dan121212
hard rock and soft rock mix together, over the years the soft rock erodes leaving the hard rock showing
originally posted by: jeep3r
originally posted by: gortex
It's life Jim but not as we know it.
Interesting find, even more interesting that they drove back to investigate the features more in detail (whatever they are). Here's a slightly larger version of the image featured in the OP (click to enlarge):