![]() ![]() The minerals are deposited on the surface when brine from an aquifer below rises in winter before drying in the spring and summer. The dry lake bed is composed of minerals - including gypsum, potassium chloride (potash) and an abundance of sodium chloride (table salt). The otherworldly white surface began forming at the end of the last ice age when Lake Bonneville receded. After 300 mph, more barriers fell: 400, 500, then 600 mph. Soon, attempts to drive faster than anyone had ever driven became a hallmark of the ancient lake bed. The hard halite surface provided a smooth but grippy 13-mile straightaway for pursuing the ultimate prize in motorsports, the land speed record. ![]() ![]() The automotive legacy of the salt flats wasn’t cemented until 1935, when Malcolm Campbell rode his Blue Bird past 300 mph and into the record books: Bonneville was extremely well-suited to high-speed driving.Īfter Campbell’s feat, speed merchants from all over the globe came to realize that Bonneville was an excellent venue for those who want to drive fast. ![]()
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