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The Lost Portal in Pangea. Kinda creepy...<br>
The mirror image of the portal is protruding out of the back of the small tower to the right.
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Boissal
Jul 29, 2014
The Lost Portal in Pangea. Kinda creepy...
The mirror image of the portal is protruding out of the back of the small tower to the right.  
So here is the definitive answer from Dr. Jessica Ball who is a volcanologist and has worked in the area: "I suspect it's a particularly symmetrical example of a hackle - a structure that forms where rocks break (or form joints): blogs.agu.org/mountainbeltw… Some of these can look really ornamental.

I saw the comment about the gas, and I don't think this has anything to do with gas in the ash flow. Gas-related structures are usually things like elutriation pipes, where rising gases remove the fine material and leave a tube of coarser-grained clasts. Gas bubbles don't form in ash flows like that, and I've never heard of a case where a cooled vesicle was filled in by later magma (as mentioned in the comment); the contact with the hot material would likely destroy the original structure even if something like that were to happen.

Jessica"

Damn! I was hoping for a time portal! Feb 3, 2015
bheller
SL UT
bheller   SL UT
That's amazing! My guess is we're looking at a gas bubble (in cross-section) that solidified and was later injected with magma. Eerie indeed! Jul 30, 2014
This geologic anomaly is being investigated. But if anybody does get "transported" via a worm hole in time and space...let me know! I often get frustrated with this planets time and space. Jul 29, 2014

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