Sand Mountain is a singing sand dune 20 miles (32 km) east of Fallon, Nevada, USA, along U.S. Route 50.
The dune is two miles long and 600 feet (180 m) high.It lies on the edge of the ancient Lake Lahontan, that for the most part dried up 9,000 years ago. Sand Mountain Recreation Area is managed by the Bureau of Land Management and is open to off-highway vehicle use. The area is also the only home of the Sand Mountain Blue Butterfly.
This Image was taken from the south end of the dune by some ruins left over from the pony express days..for those who dont know what pony express is, read your American History books..
the definition of (singing sand ) is :
Singing sand, whistling sand or barking sand is sand that produces sounds of either high or low frequency under pressure. The sound emission is usually triggered by wind passing over dunes or by walking on the sand. The sound is generated by shear stress.
Certain conditions have to come together to create singing sand:
1. The sand grains have to be round and between 0.1 and 0.5 mm in diameter
2. The sand has to contain silica
3. The sand needs to be a certain humidity
The most common frequency emitted seems to be close to 450 Hz..
.Above info from Wikipedia.
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Canon Rebel T1i w/ Canon 55-250 zoom, uv filter..