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An explosive blast breaks up the limestone needed for cement production

The process of quarrying limestone begins with the drilling of 4 1/2 inch diameter holes approximately 36 feet deep. The holes are loaded with explosives and blasted to create limestone pieces 4 feet in diameter or less (shot rock).


Large front-end loaders load 50-ton haul trucks with the shot rock to be hauled to the crushing system. The trucks dump directly into a 1,200 ton per hour triple deck Vibrating Grizzley capable of separating all rock 4 inches or less. Oversize rock goes directly into a Gyratory Crusher.

The Gyratory Crusher is a separate system capable of reducing this material to 4 inches or less rock. Rock from the Grizzley and Gyratory Crusher is reunited on a common conveyor belt and transported to the stock pile. The stock pile consists of 40,000 to 60,000 tons of crushed limestone, the primary raw material in the cement manufacturing process.



The Monarch Cement Company
449 1200 Street
P.O. Box 1000
Humboldt, KS 66748-0900
(620) 473-2222



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