Exploration of Cape York - Vol 5 - Page 2

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Author Message
Barsoomer


Posts: 344

Reply: 21



PostPosted: October 6, 2012 2:57 PM 

Dark band running over the rock in this MI. Some visible erosions show the band is very thin---must be only microns thick.

Barsoomer


Posts: 344

Reply: 22



PostPosted: October 6, 2012 3:04 PM 

Argh. My brain inverted the relief. It is actually a crack, and the "erosions" are debris over the crack. (I had to rotate my view of the image to see this.)

hortonheardawho


Posts: 3465

Reply: 23



PostPosted: October 6, 2012 4:31 PM 

sol 3092 ( Oct 5, 2012 ) colorized MI pan of second area on Whitewater:

Yuk. Why?!

I hope they re-do both the MI and the covering Pancam while I am away.( All packed and ready to go. )

Barsoomer


Posts: 344

Reply: 24



PostPosted: October 7, 2012 12:09 AM 

Interesting vein system in this rock. Some of the veins are still "under the skin" here.

This has the appearance of a "hub" of some kind.

Barsoomer


Posts: 344

Reply: 25



PostPosted: October 8, 2012 3:15 PM 

Complex surface at this location.

I think Oppy is in a far more interesting area than Curi at the moment but Curi seems to be getting all the attention. I look forward to getting the results from the atmospheric sniffing but the I think the rocks here are more interesting and more "fresh" looking.

Barsoomer


Posts: 344

Reply: 26



PostPosted: October 10, 2012 10:06 PM 

Oo, shiny! What does that look like?

How about this:

marsman


Posts: 303

Reply: 27



PostPosted: October 11, 2012 11:30 PM 

I thought that this was an interesting article to read on Desert Varnish.

Link

/R

marsman

Kye Goodwin


Posts: 1166

Reply: 28



PostPosted: October 13, 2012 11:20 PM 

Wow, Sure looks familiar, many small spherules attached to the surface of bright fine-grained rock, but this formation is supposed to be completely unrelated to all the bright rock we've seen previously:

At least those dark spots could be spherules. Their distribution is almost as uniform (unclustered) as in many earlier examples we've seen coming across the Plain. I think that the MI should be used here to determine if those are spherules or not, but I don't expect that it will be. The Athena team is going with PURE COINCIDENCE as the explanation:

[link]

Barsoomer


Posts: 344

Reply: 29



PostPosted: October 13, 2012 11:48 PM 

Paper-thin layer draped over the rock in the upper part of the image. Is this a "smoking gun" for a microbial mat? Winston, if you could do a color version, it would be great.

Barsoomer


Posts: 344

Reply: 30



PostPosted: October 13, 2012 11:52 PM 

Context image.

Mizar


Posts: 692

Reply: 31



PostPosted: October 14, 2012 5:01 AM 

This must be ice. Yep, it's water ice.

Barsoomer


Posts: 344

Reply: 32



PostPosted: October 14, 2012 2:14 PM 

I don't think it could be ice. The image was taken around 1pm local time. Also, I doubt ice would hang down from the sides like that.

LWS


Posts: 3062

Reply: 33



PostPosted: October 14, 2012 4:43 PM 

Barsoomer;

I didn't check on Oppy until just now.
Here's the x-eyed 3D. its a 2X magnification of the L257-R21 image composites.

Looks like a cover of some sort but not ice. More like a rind. Could it be a manifestation of the fabled phyllosilicates?

Winston

LWS


Posts: 3062

Reply: 34



PostPosted: October 14, 2012 4:55 PM 

Barsoomer

Here's the whole image;

Winston

Mizar


Posts: 692

Reply: 35



PostPosted: October 14, 2012 5:05 PM 

I was thinking about #26. I forgot to say that LWS.

LWS


Posts: 3062

Reply: 36



PostPosted: October 14, 2012 6:10 PM 

Testing. Its probably the blue covering stuff that Hort has made so many images of in this thread.

Winston

LWS


Posts: 3062

Reply: 37



PostPosted: October 14, 2012 6:12 PM 

Mizar , Barsoomer, Re. 26 Most likely Rock Varnish

Winston

LWS


Posts: 3062

Reply: 38



PostPosted: October 14, 2012 9:43 PM 

Testing re. this thread refreshing

Barsoomer


Posts: 344

Reply: 39



PostPosted: October 14, 2012 10:08 PM 

Thanks, Winston. The color helps. Wish I could see into the shadows, though.

Kye Goodwin


Posts: 1166

Reply: 40



PostPosted: October 16, 2012 1:07 PM 

The evidence just keeps getting better and better if you like the impact explanation of the Meridiani formation:

As Elk Grove Dan puts it on the other forum, "I've heard a lot of well thought out theories on these, but six bucks and my right ... spherule says these are the same hematite concretions we've seen across the rest of Meridiani." And that's a very reasonable reaction, an opinion everyone should consider. If your theory of Meridiani requires that the image above bears only a PURELY COINCIDENTAL resemblance to the appearance of spherules in rock that we saw for years travelling to Cape York, then you should reconsider your theory.

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