Curiosity inspects 'shaler' outcrop on descent to Yellowknife Bay drill target—2D/3D

Dec 17, 2012 by Ken Kremer, Universe Today
Sol 120 colorized panorama of big and stunning ‘Shaler’ layered rock outcrop snapped by Curiosity’s right eye Navigation Camera (Navcam) on Dec. 7, 2012. ‘Shaler’ exhibits a pattern geologists refer to as ‘crossbedding’, at angles to one another. Some of the larger individual plates are about a foot or more wide. The cropped view spans from north at left to south at right. Future destination Mount Sharp is visible in the background. See the full 2-D panorama below and compare with the stereo effect available from NASA’s 3-D panorama, below. Credit: NASA/JPL-Caltech/Ken Kremer/Marco Di Lorenzo

NASA's Curiosity rover is on the final steps of her descent into a geologist's paradise at an area called 'Yellowknife Bay'.

Along the way just days ago on Sol 120 (Dec 7, 2012) she stopped to inspect a huge outcrop of layered rocks dubbed 'Shaler' and snapped dozens of high resolution photos with the Navcam and Mastcam cameras.

To catch a human's eye view of the breathtaking terrain of what some might hearken to an 'unexpected journey', check out our Sol 120 photo mosaic in 2-D (above) and then compare that with NASA's 3-D photo mosaic (below). You will need to whip out you red-cyan anaglyph glasses to take in the full measure of Curiosity's glorious surroundings and the foreboding shadow – can you guess what that is?

The 'Shaler' outcrop features a plethora of striking layers, angled to each other in a pattern geologists refer to as 'crossbedding'.

Sol 120 Stereo panorama of ‘Shaler’ rock outcrop snapped by the right and left eye Navigation Camera (Navcam) on Dec. 7, 2012. The view spans from north-northwest at the left to south-southwest at the right, and is presented in a cylindrical-perspective projection. Credit: NASA/JPL-Caltech

The team also used Curiosity's Chemistry and Camera (ChemCam) instrument on the rover's mast to help assess the content of 'Shaler.'

With the Christmas holidays fast approaching, the rover science team is searching for a suitable location at Yellowknife Bay to select as the first potential target to drill into with Curiosity's advanced percussion drill.

Curiosity Traverse Map, Sol 123 (Dec. 10, 2012). This map traces where NASA’s Mars rover Curiosity drove between landing at a site named ‘Bradbury Landing,’ and the position reached during the mission’s 123rd Martian day, or sol, (Dec. 10, 2012) at ‘Yellowknife Bay’ inside the place called ‘Glenelg’. Credit: NASA/JPL-Caltech/Univ. of Arizona

Thereafter she will deliver powdered to the CheMin and SAM duo of miniaturized labs on the rovers deck to elucidate the inorganic as well as seek to determine if any are present.

Yellowknife Bay lies within the place dubbed 'Glenelg', the rovers first major science destination. Glenelg uniquely sits at the junction of three different types of intersecting that will help unravel the mysteries of Curiosity's Gale Crater touchdown zone beside a humongous mountain known as – the main target of the mission.

After safely surviving the harrowing touchdown at 'Bradbury Landing' on Aug. 6, the SUV-sized Curiosity rover has been on a roll to reach the inviting interior terrain of 'Glenelg' before Christmas.

The six wheeled robot has thus far traversed more than 0.37 mile (598 meters) and is now driving on top of the most challenging and scientifically rewarding terrain of the entire four month journey.

"The rover is traversing across terrain different from where it has driven earlier, and responding differently," said Rick Welch, mission manager at NASA's Jet Propulsion Laboratory, Pasadena, Calif. "We're making progress, though we're still in the learning phase with this rover, going a little slower on this terrain than we might wish we could."

Curiosity will spend at least several weeks thoroughly investigating Yellowknife Bay before reversing course and setting out on the year-long 6 mile (10 km) trek to the lower reaches of Mount Sharp. Along the way, the science team may possibly choose to re-investigate the Shaler and Hottah outcrops with the rover's suite of 10 state-of-the-art science instruments.

Explore further: Red moon at night; stargazer's delight

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User comments : 3

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deatopmg
3 / 5 (2) Dec 17, 2012
Look at all that layered rock! Just think about how we're are going to grind it into powder for sampling. Nothing else to see here! Keep moving!

(Do NOT look at the the 3D pic, especially the lower right 1/3 below the out crops where the silty soil appears darker due to possible periodic water flow. Don't look at the possible source of the water from under the out crop with the central dark shadow on the front edge. Don't [report] sample[ing] here since it is obviously uninteresting)

Never A Straight Answer sigh!
HTK
1.6 / 5 (5) Dec 17, 2012
land and explore a patch of land that was completely vapourized by a meteor....

I think they may find life there... NOT.
GSwift7
3 / 5 (4) Dec 18, 2012
land and explore a patch of land that was completely vapourized by a meteor....

I think they may find life there... NOT.


I keep seeing comments like this. Good grief, at least check the wiki on gail crater.

Gail crater is more than 2 billion years old. It is a very old feature. It would have already been there before the time we suspect Mars was capable of having liquid water. The mountain in the middle is not part of the crater. After the crater was formed by an impact, it was filled in with layers of sediment. It was filled all the way to the top aparently. Then that sediment was eroded away in another geological period. The mountian in the middle is all that remains of the sediment. If Gail was once a giant lake, then the sediment layers will show evidence of this.

Your statement is like saying that there shouldn't be water in the Gulf of Mexico, because that's a crater too.

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