YellowKnife Bay - Page 11

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Posts: 250

Reply: 201

PostPosted: February 19, 2013 4:57 PM 

Barsoomer, fossilized gas bubbles would also be in tune with microbial mat bubbles as microbe respiration (see Mark Wilsons example - figure 10 of link) releases gas which forms the bubbles at the surface of the mats. Smile

I hope the MSL teams will pick up this theme and investigate further...

John Henry Dough

Posts: xxx

Reply: 202

PostPosted: February 19, 2013 5:28 PM 

fossilized gas bubbles would also be in tune
with (I think) the other John's thoughts on 'mudrock',,,,,jump in here John.

Mark Wilson

Posts: xxx

Reply: 203

PostPosted: February 19, 2013 5:51 PM 

John Grotzinger himself has said that what they drilled into is a "mudstone"


Posts: 3062

Reply: 204

PostPosted: February 19, 2013 5:53 PM 

Wildcat; Re your earlier post. I've been looking for the new images you mentioned but can't find them. Grateful if you would post a link.


John Henry Dough

Posts: xxx

Reply: 205

PostPosted: February 19, 2013 6:58 PM 

xflare,,,,,you are welcome to post here.


Posts: 250

Reply: 206

PostPosted: February 20, 2013 5:07 AM 

Stitched all Mastcam 100 images of Sol 189 into one mosaic (20Mb) - you can use the mousewheel for zoom and left mouse wheel for dragging view (hope link works here):

Maybe once again Martian life is staring right into the faces of NASA payed scientists - will they choose to ignore it once again too or will they at least consider the possibility and explore it accordingly?

They really should be able - given its existence - to robustly experimentally verify microbial mats or microbially induced sedimentary structures (its fossilized remains) given the instrumentation of MSL to survive the onslaught of notorious skeptics after publishing the results. Smile


Posts: 250

Reply: 207

PostPosted: February 20, 2013 2:19 PM 

Looking at the new Mastcam100 images from Sol 192, the concept of gas bubbles becomes a bit challenging for me and I feel inclined to fall back to the lichen/cyanobacteria colonies theory because it still very much looks like some kind of grow on rocky surfaces especially because the "bubbles" seems to reside only on some kind of different looking crust or coating - good to see at the large block in the upper part:

Also some peculiar looking rocks middle and lower right:

Whats that messy appearance? Smile

Looks like some Photoshop session is due for another mosaic tomorrow...


Posts: 250

Reply: 208

PostPosted: February 20, 2013 2:20 PM 

sorry second link above should have been this:


Posts: xxx

Reply: 209

PostPosted: February 21, 2013 3:00 AM 

MPJ.... gas bubbles/channels I should think be evident of rapidly flooded areas. I am a storm chaser. Followed radar to a SEVERE cell. We got to a creek, and barricades were already set up. The twigs and grass were about 6 feet high on a pole barn. I thought we were too late. We went a couple miles down stream and the water was still rising. We kept having to back up to keep the vehicle out of the water. Whole trees were tearing down the creek. It was flooding the fields. Being spring, there was no crop in the field yet. There were great fountains of bubbles there air was escaping from animal burrows. The area had a gravel layer under the topsoil. I got to looking closer, there were STREAMS of bubbles coming from everywhere. The creek was dark rust colored from soil carried from higher fields. Came back the next day, and there was a still moist layer of mud with what looked like night crawler holes with raised rims. No castings though. Rapidly deposited sediment traps air, and the air finds an escape.


Posts: 250

Reply: 210

PostPosted: February 21, 2013 5:03 AM 

John, I understand the concept you are describing but how does the observation in re 207 fits into that concept? In particular how come these small "bubbles" wrap around edges of single boulders on what appears like a distinct layer or coating with blue-green tint(!)in your described scenario?

Here is a crop of the latest mosaic of near field mastcam100 images:

Strange rocks at the far left / bubble observations all around but concentrated in the middle part.

Single image for preview:

Really looking forward to the drill material analysis! Smile


Posts: xxx

Reply: 211

PostPosted: February 21, 2013 9:20 AM 

CHIMRA will be used sparingly due to fears over a weld coming loose:



Posts: 250

Reply: 212

PostPosted: February 21, 2013 2:32 PM 

Lets hope we get the important data before they really run into trouble with the ultra complex instrumentation they have designed - I wonder how they got the Vikings running for years with all that old school tech back then... Very Happy

However, the engineers seems to have delivered now its up to the scientists to gain some useful data with our beloved NASA super toy on Mars.

For anyone interested here is part 2 of the near field mosaic of re 210:

For (astro/exo)biologists its the small things that matters on Mars not the big landscape panoramas! Wink

p.s. I wonder if the MSL scientists really thought Mars would be rust colored trough the core!? Not even the surface of Mars is colored this way completely. Did nobody of them studied orbital imagery of Mars (HiRISE!) in advance?


Posts: xxx

Reply: 213

PostPosted: February 21, 2013 5:02 PM 

@MSL Reply: 207 :

this really doesn't look like gas bublles to me looks more like something that is growing has grown on the rock...just look at the images color enhanced....... Shocked ...I just wonder why they never take some MAHLI close-ups of some really strange looking stuff...maybe hard to justify in front of the public if you just LOOKING......for a potential actual or extinct life form.....?

Just an idea: If this would be a silica based life form they may very well never detect it with the SAM or by any chemistry they could do....they could only look...and we as well...wouldn't be tragical?


Posts: 344

Reply: 214

PostPosted: February 21, 2013 5:14 PM 


Glauconite for the green (turquoise?) rock drilled by Curiosity?

Note that glauconite is a marine sedimentary rock.


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Reply: 215

PostPosted: February 21, 2013 6:31 PM 


Another report by Craig Covault about Curiosity.


Posts: 250

Reply: 216

PostPosted: February 22, 2013 5:03 AM 

Barsoomer, thanks for the link above. So i take it we have to wait for the organics scan results until the upcoming LPSC 2013 as they seem to delay it for use as a highlight feature for this years conference - why not... Smile

Still I have to ask: did certain MSL scientists see Mars the first time in Gale Crater when i read statements like this: "We are seeing a whole new coloration for Mars, and it's exciting,.." Makes me wonder at least...

More near field observations arrived and subsequent stitched mosaics by far exceeded the cababilities of Google services - new situations requires new approaches so here is the latest mosaic og Yellowknife Bay near field Mastcam 100 as gigapan:

Be sure to use the full screen function for maximum enjoyment - and pondering. Smile

More updates to come I guess.

J. Chris Campbell

Posts: xxx

Reply: 217

PostPosted: February 22, 2013 3:17 PM 

Ok, Guys is this looking back at somewhere we have already been? Sure looks like liquid or some sort of nearly liquid substance.

Kye Goodwin

Posts: 1166

Reply: 218

PostPosted: February 23, 2013 1:15 AM 

This is the sort of thing that keeps me interested while we wait to get on the move. In the three overlapping images above there is evidence that the sharp little trenches we've been seeing can sometimes be filled and re-emptied. In the first image top center a short length of the trench is deep, but more filled trench seems faintly visible continuing to the right along the edge of the rock. In the second image a crack seems to have formed between the fill and the older wall. In the third image another trench seems to have been filled with material of a slightly different color than the soil that makes up the walls. In images 2 and 3 there are lengths of trench that have both walls apparently comprised of soil, not more typically with one wall of soil and one of rock. There are a few trenches with two soil walls in the Meridiani library as well. Here's a great little avalanche, lower right:

And another from a few sols back, bottom center. Only the breakaway line at the top and left edge of the slide is visible:

The avalanches and the sharp little trenches seem to be similarly recent activity. The avalanches are easy to explain as a process driven by the wind. Slopes are wind loaded and then collapse by gravity. The sharp little trenches aren't so easily explained by the action of wind, though it sure explains how they could be filled.


Posts: 3465

Reply: 219

PostPosted: February 24, 2013 5:33 PM 

Sol 0194 enhanced difference false color Bayer processed image of broken rocks in Yellowknife Bay:

Only a few more days before the first release of Curiosity original data at the Analyst notebook - through sol 0089.

I am looking forward to the first full 36 bit RAW lossless Bayer images.

In the meantime, how many types of minerals can you see in this image?


Posts: 692

Reply: 220

PostPosted: February 24, 2013 5:53 PM 

If we where able to see the minerals...I'm not...

Found an interesting artcle here regarding minerals on Mars

Btw, I'm looking forward to those new data Horton.

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