Crowley Lake

[Subdeacon Joe]

The strange pillar-like formation emerged after Crowley Lake reservoir was completed in 1941: stone columns up to 20 feet tall connected by high arches, as if part of an ancient Moorish temple.

 

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But now answers are emerging from a study at UC Berkeley. Researchers have determined that the columns were created by cold water percolating down into — and steam rising up out of — hot volcanic ash spewed by a cataclysmic explosion 760,000 years ago

“These columns are spectacular products of a natural experiment in the physics of hydrothermal convection,” Noah Randolph-Flagg, 25, a PhD candidate and lead author of the study, said in an interview.

The blast, 2,000 times larger than the 1980 eruption of Mt. St. Helens, created the Long Valley Caldera, a massive 10-by-2-mile sink that includes the Mammoth Lakes area. It also covered much of the eastern Sierra Nevada range with a coarse volcanic tuff, or ash fall.

 

[Father Kit Cool Gun Garth]

Thanks @Subdeacon Joe .

They say a picture is worth a thousand words,  so....

 

 

[Subdeacon Joe]

1 hour ago, Father Kit Cool Gun Garth said:

Thanks @Subdeacon Joe .

They say a picture is worth a thousand words,  so....

 

 

 

The amazing beauty and mysteries of nature.  

[Injun Ryder, SASS #36201L]

Larger than I thought!