Mariscal Mine, Mercury mine in Big Bend National Park, United States.
The Mariscal Mine contains extensive remains of mining operations, including holding bins, a furnace, condensing chambers, and a tall brick stack within the desert landscape.
From 1900 to 1943, this cinnabar mine produced 1,400 flasks of mercury, representing one quarter of the total mercury production in the United States during that period.
Mexican workers formed the primary workforce at the mine, constructing their own shelters from rocks and brush while earning one dollar per ten-hour shift.
Visitors need high-clearance vehicles to access the mine via River Road East, and must follow safety regulations regarding abandoned structures and vertical mine shafts.
The refining process at Mariscal Mine used a specialized Scott Furnace built with local clay to extract mercury from cinnabar through vaporization and condensation.
Location: Brewster County
Location: Big Bend National Park
Address: River Rd.
GPS coordinates: 29.09500,-103.18700
Latest update: March 10, 2025 14:04
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