YellowKnife Bay - Page 10

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MPJ


Posts: 250

Reply: 181



PostPosted: February 14, 2013 8:44 AM 

While awaiting the next GCMS results here is a white balanced and further enhanced version of the above MC100 image:

The omnipresent dust layer is really obscuring most interesting features in Gale crater at first sight... Evil or Very Mad

Barsoomer


Posts: 344

Reply: 182



PostPosted: February 14, 2013 4:06 PM 

[link]

Craig Covault article.

Update on drill material processing. Potential tug-of-war on future plans.

MPJ


Posts: 250

Reply: 183



PostPosted: February 15, 2013 5:42 AM 

Thanks for the above link Barsoomer. While we all wait for the results of the drilling which could be altering the further mission of MSL as stated in the article and lets pin this down to the detection of biology relevant organics to make the long text in the article short here is another interesting MC100 shot:

Whats that snake or tube like feature just below the upper left rock? Also some more interesting textures/imprints(?) on the large rocks...

J. Chris Campbell


Posts: xxx

Reply: 184



PostPosted: February 15, 2013 2:28 PM 

I think that is just light shining through

hortonheardawho


Posts: 3465

Reply: 185



PostPosted: February 16, 2013 12:10 PM 

Sol 0186 3D enhanced difference false color of rock in reply 183:

with location link.

3D always helps and sometimes enhanced color helps too...

hortonheardawho


Posts: 3465

Reply: 186



PostPosted: February 16, 2013 1:14 PM 

Chemcam sol 0189 of peculiar "doughnut" rocks in Yellowknife Bay:

can anyone find an Earth analog of these peculiar small doughnut shaped rocks? Perhaps they are just Leaverites?

John Henry Dough


Posts: xxx

Reply: 187



PostPosted: February 16, 2013 2:34 PM 

Newboy, I found this in your link,,,Thanks

http://www-mars.lmd.jussieu.fr/mcd_python/

MPJ


Posts: 250

Reply: 188



PostPosted: February 16, 2013 2:51 PM 

Sorry my re 183 remark was quick and dirty without having a go processing the image properly (restricted time) - it sure looks like light shining trough. Smile

My suggestion for ChemCam in re 186 (which is essentualy the same objects I already pointed out in re 180/181) is either crater lichen or cyano colonies parts/remnants...

John Henry Dough


Posts: xxx

Reply: 189



PostPosted: February 16, 2013 3:04 PM 

Since I spent the biggest part of my life Drilling for oil and gas in Texas,Louisiana and Oklahoma and all over WSMR,,White Sands
Missile Rang,,,,for water,,I would be tickled to death to learn of.

One.Weight on Bit
Two.RPM
Three.Torque
Four.Rate of penetration
Five.Composition of the Bit itself,,
and finally,,,moisture content of returns,
(dust removed from hole)
jhd.

James G


Posts: 3

Reply: 190



PostPosted: February 17, 2013 10:49 AM 

Re Horton's 186... Raindrop prints, as per your link?

Paul Scott Anderson


Posts: 53

Reply: 191



PostPosted: February 17, 2013 4:49 PM 

There is finally a new Pancam image (sol 189) showing the "shiny knob" object, the first I've seen since sol 173. This one is from a different sun angle (note the nice pointy shadow) but unfortunately is bayered. Not a lot of new detail yet, but still a good idea of the general shape. Now how about more, including MAHLI?

Paul Scott Anderson


Posts: 53

Reply: 192



PostPosted: February 17, 2013 4:51 PM 

Oops, the previous link went to the thumbnail, here is the full-size one:

MPJ


Posts: 250

Reply: 193



PostPosted: February 18, 2013 4:46 AM 

Here is some more bits and pieces which would have warranted closer inspection by human explorers if at the location (just about 10 seconds...) Smile

Especially some peculiar small pebbles/rocks in the top part above the bedrock area would be worth checking out I think:

Source:

Paul I guess the shiny knob/hammerhead will remain just another piece in the collection of Martian peculiarities. Smile

MPJ


Posts: 250

Reply: 194



PostPosted: February 18, 2013 5:32 AM 

And another interesting shot from Sol 189:

Source:

I dont think many might notice this but I think I see a connection of the "doughnut shaped rocks" as Horton characterize them or as I say lichen or cyanobacteria colony like looking assemblies of similar small pebbles to mini branching veins at areas more clean of surface dust (eg. central area of the image). If I remember right Barsoomer mentioned something similar in regards to Opportunity newberries?

Barsoomer


Posts: 344

Reply: 195



PostPosted: February 18, 2013 9:48 PM 

link

Is the soft green rock in the above link a terran analogue?

Wildcat


Posts: xxx

Reply: 196



PostPosted: February 19, 2013 12:03 AM 

Can anyone stack the 8 Sol 67 MAHLI pictures that just came down?

There's some interesting "rocks" in the soil and "clumpy dirt" that appears organic everywhere.

Mark Wilson


Posts: xxx

Reply: 197



PostPosted: February 19, 2013 8:56 AM 

RE: Horton's post 186

Exceptionally preserved microbially induced sedimentary structures from the Ediacaran post-glacial successions in the Kimberley region, northwestern Australia

http://www.sciencedirect.com/science/article/pii/S0301926812000113

Take a close look at figures 9 and 10 too. Wink Wink

MPJ


Posts: 250

Reply: 198



PostPosted: February 19, 2013 1:53 PM 

Mark Wilson, very good link above with some striking similarities to current observations on Mars - morphological and geological (setting). Remnants of microbial mats should be quite easily identified by MSL (given the instrumentation) if looked after! Smile

J. Chris Campbell


Posts: xxx

Reply: 199



PostPosted: February 19, 2013 2:11 PM 

Wildcat re: 196
Can you post a link to one of the pictures you mention. The Sol day 192 Mahli images? I do not know how they looked when they were first posted, but npw they are of low resolution, hard to tell what is there

Barsoomer


Posts: 344

Reply: 200



PostPosted: February 19, 2013 2:59 PM 

Re 186: A post on the blue board cited this link:

http://geology.about.com/od/geoprocesses/ig/sedstrucs/gasescape.htm

Fossilized gas bubbles?

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