Tuesday, October 23, 2018

Fly Geyser, Gerlach, Nevada



After knowing of the existence of this geothermal feature in northern Nevada for a number of years, from photos in photo magazines, we finally got to go on a tour of this private ranch to see the Fly Geyser up close and personal.  This feature resulted from a geothermal test well drilled in 1964 that was either never capped or was capped improperly and has been spouting hot water into the air ever since.

The cone has formed from deposition from the mineral-rich water cooling as it emerged and is growing at a rate of 6 to 8 inches per year.  This is a phenomenal rate for a geyser.  But, then again, this is not a true geyser.  A true geyser has a quiet phase and an eruption phase.  We've checked the terms for geothermal features and it looks like perpetual spouter would be the most accurate term for it.  In any case, this mound of mineral deposits and brightly-colored algae growing on this cone is a spectacular sight.

These photos were taken with an eclipse filter on the lens to force a long shutter speed of 30 seconds and f16 and it produces a silky look for the five spouts of water emerging from the top of the cone.

Remember, it's not just a picture, it's a story.

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