The mystery of 'Wandering rock' which is unknowingly moved in California's "Valley of Death"

In CaliforniaDeath Valley National ParkSo, even though neither man nor animals are involved, we can see a strange phenomenon that a huge rock that is over 100 kg moves unnoticed on the lost lake and leaves a trace as though it were dragged and dragged is.

"Sailing stonesThis phenomenon called "Sliding Rocks" "Moving Rocks", drawing lines, curves, hairpin curves, sometimes turning at sharp angles, as if the giant graffittly seems to be intriguing by many people However, there seems to be no one who has witnessed the fact that the rock is actually moving.

Details are as below.

These stones really ARE rolling: Mystery of Death Valley's eerie moving rocks | Mail Online

Sailing stones - Wikipedia, the free encyclopedia

The Sliding Rocks of Racetrack Playa

The Sliding Rocks of Racetrack Playa Mystery - GEOLOGY.COM

This mysterious phenomenonDeath Valley National ParkLocated in the northern part of the Panamint Mountains inRacetrack PlayaIt can be seen in the dry lake.

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Many scientists believe that this phenomenon is caused by overlapping complex weather conditions. The theory that it is caused by two factors of "wind" and "ice" is the most influential, with the ground under the stone freezing at night and the static coefficient of friction becoming low, the stone starts to move due to a strong gust of about 145 km / h , It continues to slide on the thin mud layer of the earth surface after being pushed by the persistent strong wind after that, but it is said that it is not yet fully elucidated. Racetrack Playa is almost undulating, many of the stonesMoving slightly uphill(PlayaBecause the northern part is a few centimeters higher than the southern tip), we can exclude gravity theory.


It seems that it may move over 320 meters a year, but since no one has witnessed where it is moving, it is not yet known how fast it will run.


It seems that stones are more than 100 kg in large ones. Most of them rocked from the hill of 260 m in height at the southern end of PlayaDolphiniteBut, from a close hillIgneous rockAlso it is mixed.


For 162 stones, observers set "Stacy"Pamela"The name of a woman is attached, and its photograph and the locus areHereYou can see from.

Map that recorded stone movement.


It is also possible to change the direction as if you changed your mind suddenly like this.


It seems that it is really complicated when it bends to a sharp angle, the stone that was moving in parallel at the beginning, separated, the stone that was sliding rolled and moves.


Racetrack Playa makes a 360-degree panoramic view of the Milky WayWikipediaYou can see from.
Deathvalleysky_nps_big.jpg (JPEG image, 4000 x 1290 px)


By the way, it is also impossible to associate alien and paranormal phenomena from this mysterious phenomenon, Racetrack Playa is talking about somethingArea 51It seems that some people are paying attention to the fact that it is located relatively close to.

Death Valley National Park is the largest national park in the United States, which occupies an area as large as Nagano Prefecture. It is over 3,000 meters above sea level where it contains multiple mountain ranges and the altitude is high, but it is the core of the parkDeath ValleyIs the lowest altitude in the USABad waterIt is a very hot and dry basin including the altitude (86 m above sea level). In the summer, the temperature has exceeded 50 degrees and the world has recorded the second highest temperature (58 degrees) in observation history, so winter is the best season for sightseeing.

· Continued
Finally the mystery of "Wandering rock" phenomenon moving unexpectedly in the "valley of death" is elucidated - GIGAZINE
http://gigazine.net/news/20140829-how-rocks-move/