stamp mill
Stamp mill (noun): A type of industrial facility, specifically a mill, where ore (rock containing valuable metals) is crushed into smaller pieces or powder. The crushing is accomplished by heavy, mechanical, vertically-moving devices called stamps.
This term is used to describe a specific piece of machinery or a building housing such machinery, primarily in historical and mining contexts. * The old stamp mill by the river processed tons of gold ore in the 19th century. * To extract the silver, the miners first had to crush the rock in a stamp mill.
- The term is often associated with the California Gold Rush and other historical mining booms, where stamp mills were a common sight.
- In historical descriptions, the operation of a stamp mill is frequently noted for its loud, rhythmic pounding noise.
- Stamp battery: Another term for a stamp mill, emphasizing the set of stamps working together.
- Ore mill: A more general term for any facility that grinds ore.
- Crusher: A broader term for any machine that crushes material.
- Ore-crusher
- Crushing mill
The term "stamp mill" has a single, specific meaning related to ore processing. It is not commonly used in other contexts. The word "stamp" alone has many other meanings (a postage stamp, to stamp one's foot, a stamp of approval), but in "stamp mill," it refers specifically to the heavy, pounding mechanism.
- a mill in which ore is crushed with stamps