Mine · San Diego County, California, United States

Tourmaline King Mine

Tourmaline King Mine is a closed mine in San Diego County, California, United States, operated by San Diego Mining Corp.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Name in the source	TOURMALINE KING MINE	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Location	San Diego County	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Status	Closed (abandoned)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Commodities	gemstones (mainly gemstones)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Operator	San Diego Mining Corp	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Employees	6 people (annual average, in 2024)	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Mine type	Underground	MSHA Mines Data Set · Public domain · checked 24 Oct 2026
Coordinates	33.3903, -117.0714	MSHA Mines Data Set · Public domain · checked 24 Oct 2026

Research on this mine and its operator.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the operator.

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Nearby

Within 50 km of this mine: 3 power plants (1,898 MW) and 1 data center, measured from the coordinates in the facts above.

Name	Kind	Size	Status	Distance
Palomar Energy	Power plant	559 MW	Operating	30 km
Data center, San Diego County (OSM way 930540164)	Data center	—	—	31 km
Carlsbad Energy Center	Power plant	659 MW	Operating	37 km
Menifee Power Bank	Power plant	680 MW	Operating	40 km

Operator and place

Other mines in California

All 98 mines in California, United States

Data on this page

Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.