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Plate depicting placer mining from the 1556 book De re metallica. Placers supplied most of the gold for a large part of the ancient world. Hydraulic mining methods such as hushing were used widely by the Romans across their empire, but especially in the gold fields of northern Spain after its conquest by Augustus in 25 BC.
Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers. [2] Placer materials must be both dense and resistant to weathering processes. To ...
The Scott brothers, descendants of the Cherokee Tribe, discovered gold in 1853 in Tuolumne County. Soon many placer mines started in the valley of Cherokee and the town of Cherokee was founded. When the placer gold panning (diggins) ran out, some quartz mines opened around Cherokee.
Mountain man Pauline Weaver discovered placer gold on the east side of the Colorado River in 1862. Weaver's discovery started the Colorado River Gold Rush to the now ghost town of La Paz, Arizona and other locations along the river in the ensuing years. Gold Road mine, Oatman, Arizona.
Before any prospectors in Park County began excavating the mountains, they used placer mining to extract gold from the local waterways. Placer mines began to appear all over Park County after 1861. Placer gold was found in Tarryall, Fairplay, Alma, Breckenridge, and Leadville. [10] A notable amount came from the beds of the South Platte River. [11]
Placer gold deposits on Anvil Creek and on the Snake River, a few miles from the future site of Nome, were discovered in 1898 by Jafet Lindeberg, Erik Lindblom and John Brynteson, the "Three Lucky Swedes". Word of the strike caused a major gold rush to Nome in the spring of 1899. Over 3.6 million ounces of gold have been recovered from the Nome ...
Oro City, an early Colorado gold placer mining town located about a mile east of Leadville in California Gulch, was the location to one of the richest placer gold strikes in Colorado, with estimated gold production of 120,000–150,000 ozt (8,200–10,300 lb; 3,700–4,700 kg), worth $2.5 to $3 million at the then-price [clarification needed ...
Location: About 2.0 to 3.0 miles (3.2 to 4.8 km) southwest of Mineral; according to the Spotsylvania County Deed Books, the mine is located on the old R.E. Dolan property known as the Louisa Gold Company Land tract comprising 766 arces, which includes the Waddy tract and the 104-acre (0.42 km 2) Waldorf tract; near the property of Lewis ...