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First drill stop: John Klein in Yellowknife Bay, Site 6, Sol 166-271, January 23-May 12, 2013
elakdawalla
post Feb 3 2013, 05:18 AM
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To my eye the second spot looks like it was a bit more resistant than the first one was. The first one looks almost like an impression of the drill bit pressed into clay!


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eoincampbell
post Feb 3 2013, 05:25 AM
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Hope it's as powdery as the dust streak suggests...


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iMPREPREX
post Feb 3 2013, 05:34 AM
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I can't wait to check out those new MAHLI images.

So here's both sols 172 and 173 (MastCam 100). We just need a mosaic facing NE - SE to make these two connect, which would indeed be incredible... smile.gif

Gigapan: http://gigapan.com/gigapans/122731

"Preview":



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Astro0
post Feb 3 2013, 05:57 AM
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Before and after animation on the drill/percussion site.



Larger versions to download 760kb or 2.51mb gifs
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iMPREPREX
post Feb 3 2013, 06:42 AM
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Nice MAHLI shots! And thanks for that before and after animated GIF! Here is a collage (images have been sharpened a tad):

http://i.imgbox.com/adhtEBLW.jpg



MAHLI images are upside-down... You live and you learn. biggrin.gif I hope my posts aren't trash and they come in handy to someone somehow. Please let me know if I should stop, and I will. smile.gif


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jmknapp
post Feb 3 2013, 01:00 PM
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Attached Image


Maybe a little clay-ey?


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PaulH51
post Feb 3 2013, 01:42 PM
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QUOTE (jmknapp @ Feb 3 2013, 09:00 PM) *
Maybe a little clay-ey?

Yes, by appearance, possibly a fine clay. I was sort of hoping that the drill tailings would be coarser, so that these tailings could more effectively help clean out the CHIMRA (sample handling system). Sol 173 MastCam images show extensive contamination of large areas of CHIMRA's chambers. This contamination is residue from the multiple scooped samples at Rocknest. The contamination (Regolith) has excellent cohesive properties. Let's hope the drill tailings can remove enough of the Regolith to ensure accurate science from CHEMIN and SAM, and that the tailings are not as cohesive to cause issues later in the mission.
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Julius
post Feb 3 2013, 02:33 PM
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Its amazing how martian dust can colour everything red. Who would have thought that this part of Mars was so grey!
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Guest_Actionman_*
post Feb 3 2013, 05:44 PM
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Guests
unsure.gif Wind blown clean. Very powdery cool.gif

ADMIN NOTE: Different drill/percussion area to the one above.
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Airbag
post Feb 3 2013, 06:20 PM
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Nice range of depth in this sol 173 Navcam pair.
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Airbag
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udolein
post Feb 3 2013, 09:42 PM
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My version of Sol174 first drill MAHLI zoom:
Attached Image

Klick for larger .gif movie

Corresponding MAHLI zoom of Sol 176 second drill:
Attached Image

Klick for larger .gif movie

Note the hexagonal ChemCam laser marks in the upper left edge of the enlarged first image of each sequence ...


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Airbag
post Feb 3 2013, 10:35 PM
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QUOTE (udolein @ Feb 3 2013, 04:42 PM) *
Note the hexagonal ChemCam laser marks in the upper left edge of the enlarged first image of each sequence ...

Are you referring to those two sets of indentations in opposite corners and equidistant from the drill point? I think those are the marks left by the drill's pre-load support posts. In the earlier tests only up to three "points" were seen for each post but presumably the drill's vibration (and perhaps higher pre-load forces than before?) has left nice "constellations" of marks.

Airbag

[Edit: see pages 3 and 4 of this thread for more info]
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mhoward
post Feb 4 2013, 05:20 AM
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Mastcam images of the work area on sol 176 are down. Here's a quick stereogram and anaglyph.
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EdTruthan
post Feb 4 2013, 07:00 AM
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YOWSERS! Look what just came down. -- MAHLI self-portrait #2 -- Here's a quickly rendered draft - reduced to 3294 x 2655 px... yeah baby.



...and there's more. Full resolution below at 7818 x 2471 px...



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James Sorenson
post Feb 4 2013, 09:50 AM
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My take on "Wall-eeeee!" smile.gif
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