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Did You Know?Did You Know?

New Almaden Quicksilver Mines

The New Almaden Quicksilver mines were located in Santa Clara County, a few miles south of San Jose. The New Almaden Mine itself, registered in 1845, was older than any gold mine in the state; it operated over a longer period of time, from 1840's to 1940's; and yielded metal of greater total value than any other metal mine in California. It produced over 76 million pounds of quicksilver (mercury).

View similarly tagged entries:

California, geography, gold rush



  • Geologic Guidebook of the San Francisco Bay Counties
    California Division of Mines and Geology. Geologic guidebook of the San Francisco Bay Counties: History, Landscape, Geology, Fossils, Minerals, Industry, and Routes to Travel. San Francisco, CA, Division of Mines, 1951.

Last updated by lorenzop on March 18, 2008


While the Library has verified the information presented in these files in what it considers to be reliable and authoritative sources, it cannot take responsibility for nor guarantee the accuracy of the information presented.