stamp mill

American  

[stamp mil] / ˈstæmp ˌmɪl /

Also stamping mill

noun

Mining.

1. a mill or machine in which ore is crushed to powder by means of heavy stamps or pestles.

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stamp mill British  

noun

1. metallurgy a machine for crushing ore

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Etymology

Origin of stamp mill

First recorded in 1740–50

Example Sentences

She was standing in Lake Linden, near the ruins of a stamp mill for the Calumet and Hecla Mining Company, for years the leading copper producer in the world.

From Washington Times • Feb. 25, 2018

“There is also a little tramway between the Ellison and the stamp mill, replicating the JB Hagen that used to pull ore cars back and forth on the high line,” Roesler said.

From Washington Times • Nov. 2, 2015

Facing ahead he caught, faint and thin, the roar of the Crystal Star's stamp mill.

From Treasure and Trouble Therewith A Tale of California by Bonner, Geraldine

In a stamp mill the foundations are usually made of hard wood logs about 5 to 6 feet long, set on end, the bottom end resting on rock and set round with cement concrete.

From Getting Gold: a practical treatise for prospectors, miners and students by Johnson, J. C. F. (Joseph Colin Frances)

By Jove, the action is the same as that in a stamp mill, almost!

From Where the Sun Swings North by Willoughby, Barrett