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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 ...
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.
Gila City was founded on the south bank of the Gila River, 19 miles east of the confluence of the Gila and Colorado rivers.Also known as Ligurta, [1] the town was established as a result of Arizona's first major gold rush, when Colonel Jacob Snively led a party of prospectors to a placer deposit along the Gila River in and around Monitor Gulch, which emerges from the Gila Mountains to the south.
In 1995, the Gold Road Mine was reopened, however the decline of gold prices resulted in its closure in 1998. A renewed interest in the town and travel in Route 66 began with the growth of the nearby gaming town of Laughlin, Nevada. The hotels in Laughlin promotes visits to the town. Oatman is now a tourist attraction. [13] [8] [7]
Las Guijas is a populated place situated in Pima County, Arizona, United States. [2] It has an estimated elevation of 3,451 feet (1,052 m) above sea level. [1] The name, as with the nearby mountains of the same name, comes from 19th century Spanish miners referring to las guijas for "the rubble" as the placer gold they were working occurred in the gravels or conglomerates along the stream ...
The town of Congress with the mine in the background, c. 1914 The Congress Mine is a gold mine located at the ghost town of Congress, Arizona, on the southeastern slope of the Date Creek Mountains, approximately 18 miles north-northeast of Wickenburg, Arizona, at an elevation of about 3,000 feet (Lat. 34.216 – Long. -122.841).
La Paz grew in the spring of 1862 along the Colorado River to serve the miners washing placer gold in the La Paz Mining District. This district produced about 50,000 troy ounces of gold per year in 1863 and 1864. [5] La Paz had a population of 1,500 and was a stage stop between Fort Whipple, Arizona and San Bernardino, California. [6]
The town of Weaverville was established shortly after the discovery of placer gold deposits on nearby Rich Hill in May 1863. The town was named after mountain man Pauline Weaver, who worked as a guide for the group of prospectors who made the discovery. The gold was discovered by a member of the party while chasing a stray donkey. [2]