YellowKnife Bay

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PostPosted: December 20, 2012 2:24 PM 

Have you guys seen the latest pictures coming across for Sol 132 12-19-2012. Looks like it is under a low lying rock. So what really intrigues me is, if this is what happens in a area that is shielded from the sun. Then we can only imagine what all can happen slightly below the surface. What is everybodys take on what the white stuff pilled up?


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Reply: 1

PostPosted: December 20, 2012 5:16 PM 

sol 0132 3D enhanced difference false color MAHLI closeup under rock in Gale crater, Mars:

Here are other 3D pairs under the rock.

I wonder what the chemcam will reveal about the material in the cracks?


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PostPosted: December 20, 2012 5:55 PM 

Some kind of metal, Cu or Ag?


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Reply: 3

PostPosted: December 20, 2012 6:31 PM 

Wow! Horton, that is an amazing image.

The light reddish material in the cracks reminds me of the gypsum that Oppy saw.

I am wondering about the cracks with a bluish or violet coloring. Is that an artifact due to shadowing? If not, it would be very interesting, possibly indicating layering in the gypsum.


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Reply: 4

PostPosted: December 21, 2012 9:54 PM 

Some of the features in Yellowknife Bay look like pingos. In the picture below, that'd be the hill in the upper-center (in focus).

Moreover, there also appears to be "wet" soil in this area. For example, the rover tracks visible just behind the rover and the area off the right. The "wet" soil even appears to be emanating from a glistening block of ground ice and draining downhill.

I recall reading the daytime temperatures in Gale have been above freezing with nighttime temperatures obviously far below that. Freeze and thaw = pingos.


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PostPosted: December 21, 2012 10:13 PM 

Here's another picture with regard to groundwater. Note the circular shadow in the far upper right corner of both photographs and the smooth channel emanating therefrom.


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Reply: 6

PostPosted: December 21, 2012 10:40 PM 

This picture is interesting as well. Look at the distorted area at the bottom of the picture by those two rocks closest to the rover. Could this be sediment in the process of being washed up by a small amount of liquid.


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Reply: 7

PostPosted: December 23, 2012 1:13 PM 


So is this organic material? Also I have seen on so many things that appear to be flat like a wall or a floor has this coating on it, not knowing the size of the image could be a mm to a cm or more thick.


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Reply: 8

PostPosted: December 23, 2012 2:05 PM 

Curiosity sol 0133 enhanced difference false color 3D view of the rock in reply 7:

There appears to be at least three different surface minerals on this rock.


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Reply: 9

PostPosted: December 23, 2012 8:28 PM 

Horton, how do I read the false color? In other words what can I infer from each color?


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Reply: 10

PostPosted: December 23, 2012 8:42 PM 

The only inference possible is that similar enhanced difference false color areas may be composed of the same material.

If a mineral has been identified by other means and has a specific false color then that false color in an image may be the identified material.

Different false colors are most likely different minerals.

I use the false color to highlight areas that may be of particular interest.

Sorry to be so vague.


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Reply: 11

PostPosted: December 24, 2012 3:00 AM 

That is lichen. Possibly Xanthoria elegans. But since there is no lichen on Mars, it's a really colorful rock.

This one from today is your microbial mat. But since those only may have existed, they equally may not have existed, so this is just a rock.


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PostPosted: December 25, 2012 1:36 AM 

Merry Chistmas to all!!
For those out there pondering on mars and what it means to all of us believers in God and those thinking that the discovery of beings on another planet would somehow negate that there is a god, remember that GOD is omnipotent, and being so he can create as many worlds and as many life forms as he deems fit. He simply says in his word that we are made in his image, so just as long as aliens(humanoids not direct descendants of earth) have 2 eyes 2 legs 2 arms etc, they are made in Gods image. So and those out there that say the earth is only 6000 years old, I would point them to the scripture that says that and hour is a day and a day is a hour in the eyes of God. In other words Gods time is way different than ours. So day 1 in genesis might be tha first million/billion years of the universe.... Etc. that is all of the philosophy I have and will leave it there.
Merry Christmas and happy Holliday to ALL

John Henry Dough

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Reply: 13

PostPosted: December 25, 2012 8:01 AM 

Very good post.
I agree with you 100%.
Merry Christmas to ALL


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Reply: 14

PostPosted: December 25, 2012 1:01 PM 

Merry Christmas indeed!
JCC, don't be too quick to attribute anything found on Mars to aliens, or even indigenous life.
Too many ways life could have been seeded to the planet from Earth in microbial form.
Now, even finding the remains of a 800 lb Centaur, though it would certainly raise a few eyebrows, might not be so far out of the realm of possibility either.
Just what were our ancestors doing before the time of the great flood?

Randy In Yellowstone

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PostPosted: December 25, 2012 4:16 PM 

They look like veins of calcite.


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Reply: 16

PostPosted: December 26, 2012 1:34 AM 

Interesting indigenous rocks and non-indigenous "plastic debris":

Non-annotated version:

Interesting rock development. "Curiositas plasticae" also makes another appearance on Sol 136. I bet Rocknest's stiff "wins blown crest" winds blew this same piece below underneath Curiosity's wheel!


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Reply: 17

PostPosted: December 26, 2012 1:44 AM 

Oops, I forgot to draw an arrow to the side rocks on the rock above the "ro" on the word, you guessed it, rocks, in the middle of the annotated picture.


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Reply: 18

PostPosted: December 26, 2012 10:08 AM 

"Curiositas plasticae" is your extant Martian lifeform.

You can find them all over the place in varying stages of their life cycle if you look for patterns resembling Curiosity's acuity badge about the soil.


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Reply: 19

PostPosted: December 27, 2012 8:45 AM 

Wow, some more blueberries? I will be glad when Nasa admits that there are active biologicals on Mars.


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Reply: 20

PostPosted: December 27, 2012 10:15 AM 

It appears as if this is a different part of the life cycle of "rover plastic" :


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