06/15/2026
Camp Tybo Day Four
The M and M Mine is a historic mercury mine located within the Tybo Mining District along the southern end of the Hot Creek Range in Nye County. While the broader Tybo district is legendary for its massive 19th-century silver and lead production, the M and M Mine represents a distinct localized zone of mercury mineralization sitting at an elevation of 7,060 feet.
The mine sits in the M&M Canyon area, north of Milk Spring. While traditionally cataloged under the expansive Tybo district, some modern geological records group it into the separate Mercury Mountain district. About one mile south of the M and M Mine, the canyon contains narrow quartz veins in argillically altered rhyolite, which has historically drawn exploration for precious metals like gold and silver.Land Status: The mine area is located on public lands (managed by federal agencies like the BLM).
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