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Salt Polygons Are Caused by Convection
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(2020-11-25, 05:03 PM)MojaveGeek Wrote: There's some great columnar jointing at Devil's Postpile.    Giant's Causeway in Ireland is pretty famous.  Here is some pretty cool columnar jointing in adesite I came across on Mt. Rainier last summer.  Those joints are big - the sections are about a foot and a half to two feet across, and break off into chunks that are scattered around on the ground.  

OK, who stacked the spaghetti straight up?  Tongue

Seriously, MG, I appreciate your adding knowledge about the columnar joints. I've driven by The Devil's Post Pile several times now but am so anxious to get to DEVA I have not yet stopped in to take a peek. Your image of Mt. Rainier columns is amazing. Thanks for taking the time to post up this information.
Life begins in Death Valley
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RE: Salt Polygons Are Caused by Convection - by DeathValleyDazed - 2020-11-25, 05:34 PM

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