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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 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 1906 the state mineralogist of California reported on 52 granite quarrying areas in 17 counties. [2] Many quarries were opened temporarily to provide stone for one or a few local or regional construction projects, but could not compete later when railroads allowed for economical transportation of heavy building materials to the area.
Mine: State: Coordinates: Town: Owner: Dates: Comments: Pyne Mine: Alabama 33°22′33.18″N 86°55′21.65″W Lacey's Chapel: Woodward Iron Company: 1918–1971 One of only two shaft mines dug in the Birmingham District, and the last ore mine to operate in the region, closing in 1971. Sloss Mines: Alabama 33.39816°N 86.93276°W Red Mountain
Mines in the U.S state of California. Subcategories. ... List of mines in California; M. Mountain Pass Rare Earth Mine; R. Red Mountain (Santa Clara County, California)
Gold mining in California (2 C, 7 P) M. Mines in California (3 C, 4 P) Mining communities in California (1 C, 38 P) Mining museums in California (17 P) R.
About an hour outside of Sacramento, Grass Valley is an historic ‘gold mine era’ destination featuring buildings and accommodations from the mid-19 th century.
Since 1975 California State Parks has administered and maintained the mine as a historic site. The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California". [3] Between 1850 and its closure in 1956, the Empire Mine produced 5.8 million ounces (165 tons) of gold, extracted from 367 miles (591 km) of ...