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originally posted by: underpass61
Man. this part really does look like a flattened lead tube -
while "Mcleans Nose" is a prominent gray toned resistant feature. ChemCam data was acquired of a suite of targets, including those that had the elongate, raised, linear features known by the team as "sticks", as well as the two APXS targets. Documentation imaging of these targets, including multispectral imaging to characterize the visible/near-infrared spectral properties of the site, will happen over the course of the plan.
originally posted by: gortex
Curiosity has now returned to "Mcleans Nose" home of the "sticks" , now speculation ends and the science starts.
In today's plan, we're focusing our attention on small-scale features in the rocks in front of the rover to try and understand how they formed. We have a nice long science block in the early afternoon, during which we'll use ChemCam to assess the targets "Macleans Nose 2," "Funzie 2," and "Ullapool." The targets with "2" in their name are intended to be repeat observations of targets that we analyzed over the weekend to gather additional information.
The origin of the stick-shaped features is uncertain. One possibility is that they are erosion-resistant bits of dark material from mineral veins cutting through rocks in this area.
originally posted by: bigfatfurrytexan
a reply to: jeep3r
They have a bluish tinge. Did they adjust for true color?
The blueberries all appear to be hematite. These look similar where new edge is exposed
Tiny Crystal Shapes Get Close Look From Mars Rover
The small, stick-shaped features were first seen two days before Curiosity reached Jura. All raw images from Mars rovers are quickly posted online, and some showing the "sticks" drew news-media attention comparing them to fossils. Among the alternative possibilities is that they are bits of the dark vein material.
What Mars Fossils Might Look Like
The minerals surrounding the fossils changed as the sediments cemented to form rock (...) Over time, the minerals altered chemically as well. Rustlike goethite slowly loses hydrogen and oxygen atoms to become more stable hematite over time.
originally posted by: StallionDuck
These stick shape 'things' are the size of a grain of rice.
Hell, not it could be anything.