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Article: Nature's rolling stones: the sliding rocks in Death Valley National Park's Racetrack Playa have long defied logic, puzzled scientists, and dazzled park visitors.(Park Mysteries)
- Article from:
- National Parks
- Article date:
- September 22, 2004
- Author:
CopyrightCOPYRIGHT 2004 National Parks Conservation Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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One of the hottest places on the surface of the Earth is home to one of its most puzzling geological mysteries.
The sliding rocks, from pebbles to 500 pound boulders, of Death Valley National Park's Racetrack Playa have long puzzled scientists and park visitors. The rocks seem to defy nature, moving hundreds of yards at a time, sometimes uphill. Some slide in straight lines or circles, others zig and zag. They leave behind long, though erratic, grooves in the flat basin that raise more questions than they answer. The most obvious: What makes these amazing rocks move?
Although they were first reported about 90 years ago and studied extensively for ...
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