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The gold specimen was unearthed at the Sonora Mining Corporation mine in Jamestown, California on December 24, 1992. [1] Along with other gold-heavy quartz pieces, the gold was first believed to be bits of damaged machinery. A number of days later, the materials were examined and found to be full of gold.
The California Mother Lode is a zone from 1.5 to 6 kilometres (0.93 to 3.73 mi) wide and 190 kilometres (120 mi) long, between Georgetown on the north and Mormon Bar on the south. The Mother Lode coincides with the suture line of a terrane, the Smartville Block. [4] The zone contains hundreds of mines and prospects, including some of the best ...
Gold Hill in Grass Valley, California, was the site of one of the first discoveries of quartz gold [2] in California. While quartz gold was also found in other areas of Nevada County, California during the same time, it is this find near Wolf Creek that led to quartz-mining frenzy and subsequent creation of the Gold Country quartz-mining industry.
December 09, 1977. Empire Mine State Historic Park is a state-protected mine and park in the Sierra Nevada mountains in Grass Valley, California, U.S. The Empire Mine is on the National Register of Historic Places, a federal Historic District, and a California Historical Landmark. Since 1975 California State Parks has administered and ...
Historic large specimens include the crystalline "Fricot Nugget", weighing 201 troy ounces (6.3 kg; 13.8 lb) – the largest one found during the California Gold Rush. It is on display at the California State Mining and Mineral Museum. The largest gold nugget ever found in California weighed 1,593 troy ounces (49.5 kg; 109.2 lb
Calaverite, or gold telluride, is an uncommon telluride of gold, a metallic mineral with the chemical formula AuTe 2, with approximately 3% of the gold replaced by silver. It was first discovered in Calaveras County, California in 1861, and was named for the county in 1868. The mineral often has a metallic luster, and its color may range from a ...
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