Tubes on Mars

Page 5

would we find if we could make our way down these polygonal fissures and look at the stratigraphy? Would we find more tubular structures buried in the layers of time? Situated within the strata, would they look tubular at all? What attributes would the layer directly on top of them have? And could we discern a sequence that repeated itself? Were there erosional events? Is this an erosional event? What is on the floor of these canyons? Are these structures unique to the surface? From this kind of information, we could put together the history of this region and possibly predict future environmental events on Mars.
we could stand at the edge of the fissures, and directly on the structures, we could see what kind of erosion has taken place. We could also see what, if anything, is deposited on top them. We could look for the mechanism that is causing the sliding and fissuring. Maybe we could trace the erosion, and see how and where it went.
the simplest explanation, as Ron Nicks suggests, an engineered structure? Are the "ribs" supports for a tunnel? I don't know. These things are, as he also said, on another planet. What a wonderful yet sobering thing if they turn out to be intelligently designed tunnels. What lessons we could learn from them - what dire warnings from the present state of the Martian environment! Perhaps such a discovery would encourage the human species to listen more carefully to the warnings of its own planet.
have a very poor lit image that shows what some call "ribs", and what looks like tubes, or giant worms or roots wrapping around the walls of giant fissures in giant polygons. If one looks at all the worm/tube shapes in the surrounding area, and in other images, one can say we also have ridges and troughs, furrows, ripple marks, or dunes. But at the same time, one can find many more "tubes" that defy explanation.
then we have people telling us that the tubular effect is and optical illusion, while we see in the same image deep craters and crevasses, as they should be. So what is the truth?

don't have the answer. But Continuing to look at geologic possibilities, perhaps these structures are exposed stream deposits, laid down long before the polygons opened up. Perhaps they are relatively new. Maybe the canyons or fissures filled with water during a seasonal thaw, and we see the resulting erosional and depositional features.
is very dark around and below the some of the "tubes". That could produce an illusion of roundness. Or they could actually be sort of rounded. They could be some kind of spur produced by undercutting of the canyon walls.

again, they could just be hanging there, having slid down from above. You can see this in the annotated image on page four of this essay.

the above image the arrows indicate where the land is possibly sliding away. The line indicates where the polygon is forming, or stopped forming.
arrows also indicate faint but lighter linear structures that run toward and over the edge. These are probaby caused by erosion. I think these are the very same features that make up the "ribs" on the more obvious structures called the "tubes". Everything in this spot indicates that they are erosional features, made by wind, or water, dare I say rain. Also, the edge of this polygon definitely has a rounded look to it.

image shows point bar deposition. Although this may not be happening at the polygons of Mars, it is an example of how ridges and troughs can develop.
the image above you can see where the meander cuts one side and deposits on another. The velocity of the stream is stronger on the erosional side. As a meander grows the outer erosional side usually becomes steeper. The depositional side has a gentler slope. Point bars are ever-changing environments, depending on the activity of the stream. A point bar is a series of ridges and troughs, commonly called scroll bars and swales. Scroll bars are accretion ridges, and they have a positive relief. Swales are depressions, troughs alternating between the ridges. They have a negative relief. Scroll bars and swales can be very large, and from a great distance could look like dunes or even tubes.
the second image above the stream has cut deeply into the channel. It is possible that as the stream cuts down the depositional side will weaken and slump downward.
on seasonal and environmental conditions, point bars display many variations in depositional content. Basically a point bar, like most depositional systems, will deposit the heavier materials first. The deposition sequence typically begins with channel lag - coarser materials, sand and gravel.
grained materials follow. These finer deposits are most often set at an angle - as cross stratification, cross bedding, or current bedding. Current bedding is material laid down by the action of currents. This could be from water, as in ripples or wave action, or from wind (dune formation). Faster stream flows will produce regular horizontal bedding. Very slow flow will produce ripple marks and allow the finest grain sediment to settle onto the top of the ridges and into the swales. Fine mud often covers the whole thing. But very often the finest sediments eventually wash or blow away.
Some point bars may contain nothing but fine grained material. Is it possible that a fine mud or silt causes the "ribs" in the Mars images to shine so brightly?

page 6

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-- Credits --

Steve Wingate of Anomalous Images and UFO Files
Richard Hoagland, Ron Nicks of Enterprise Mission
NASA - JPL and NASA Image Use
NASA/JPL/Malin Space Science Systems Malin Space Science Systems
USGSGeomorphology from Space
PDS Planetary Data System Welcome Page
Planetary Image Atlas PDS Mars Global Surveyor - Mars Orbiter Camera (MOC) Image Collection
The ATP -- American Tax Payer


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