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This list of mines in California is subsidiary to the list of mines article and lists working, defunct and future mines in the U.S. state of California. It is organized by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
In 2008, Chevron sold the mine to privately-held Molycorp Minerals LLC, a company formed to revive the Mountain Pass mine. Molycorp announced plans to spend $500 million to reopen and expand the mine, and on July 29, 2010, it raised about $400 million through an initial public offering , selling 28,125,000 shares at $14 under the ticker symbol ...
Searles Valley Minerals Inc. is a raw materials mining and production company with corporate offices in Overland Park, Kansas. It is owned by the Indian company Nirma . [ 1 ] [ 2 ] It has major operations in the Searles Valley centered in Trona, California where it is the town's largest employer.
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
In 2013, an episode in the series Artbound entitled "Agh20: Silver and Water" features Cerro Gordo's role as a source of silver for the nascent film industry in California. Cerro Gordo, the Belshaw House, and the Inyo Mine are featured in the season 19 episode of Ghost Adventures titled "Cerro Gordo Ghost Town", which aired in 2019 on the ...
Red Mountain (Santa Clara County, California) Rio Tinto Borax Mine This page was last edited on 20 August 2017, at 19:39 (UTC). Text is available under the Creative ...
Because the gold in the California gravel beds was so richly concentrated, the early forty-niners simply panned for gold in California's rivers and streams, a form of placer mining. [ 10 ] [ 11 ] However, panning cannot take place on a large scale, and industrious miners and groups of miners graduated to placer mining " cradles " and "rockers ...
The original Geological Survey of California was replaced in April 1880 by the new California State Mining Bureau. This was renamed the Division of Mines in 1927. In 1962 the division's name was expanded to be California Division of Mines and Geology , a name that lasted until August 2006, when the state legislature renamed the division the ...