Henderson Mine

Description: Henderson is an underground molybdenum mining operation.

Did you know? The Henderson mill site is located 15 miles west of the mine. The mine and the mill are connected by the world's largest conveyor of its kind: a 10-mile conveyor tunnel under the Continental Divide and an additional five-mile surface conveyor.

Location: Approximately 42 miles west of Denver, Colorado.

Ores: The Henderson mine is a porphyry molybdenum deposit with molybdenite as the primary sulfide mineral.

Processes and facilities: The Henderson operation consists of a large block-cave underground mining complex that feeds a 32,000 metric ton-per-day concentrator. A majority of the molybdenum concentrate produced at the Henderson mine is shipped to our Fort Madison, Iowa, processing facility.
The revised operating plans for the Henderson mine incorporate an approximate 65 percent reduction in operating rates. Henderson’s molybdenum production totaled 25 million pounds in 2015, and 30 million pounds in both 2014 and 2013.

Background: The Henderson mine has been in operation since 1976. 

Ownership: 100%.

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