Search results
Results From The WOW.Com Content Network
A stamp mill (or stamp battery or stamping mill) is a type of mill machine that crushes material by pounding rather than grinding, either for further processing or for extraction of metallic ores. Breaking material down is a type of unit operation .
Mason is a small unincorporated community in Houghton County, Michigan [1] that is the remainder of past stamp mill operations at the Quincy Mining Company Stamp Mills. [2] Still standing and mostly occupied are 23 mining company houses, all along M-26. Mason has been dubbed by some locals "shutter town," because each house had its own distinct ...
The company had always disposed of the mill tailings (locally called stamp sands) in lakes adjacent to the mills, but about 1900 began investigating methods to recover the copper remaining in the waste tailings. Beginning in 1915, Calumet and Hecla began reprocessing the stamp sands at Lake Linden, using a finer grind and ammonia leaching.
The Mohawk stamp mill began construction in 1901 and started operation in December 1902. The foundation for the 178 by 206 foot building, of steel frame covered with corrugated iron, was made of sandstone from the Hebard Quarry. [4] The mill's equipment included three sets of stamps and three sets of auxiliary crushing rolls.
Drawing of Quincy Stamp Mills site. The Quincy Mining Company Stamp Mills Historic District is a historic stamp mill (used to crush copper-bearing rock, separating the copper ore from surrounding rock) located on M-26 near Torch Lake, just east of Mason in Osceola Township. [2] It was listed on the National Register of Historic Places in 2007. [1]
Crushing, a form of comminution, one of the unit operations of mineral processing. Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. [1] Depending on the processes used in each instance, it is often referred to as ore dressing or ore milling.
Feb. 13—M anchester's mills went silent 100 years ago as more than 12,000 workers staged one of the largest strikes in New Hampshire history. Today marks the 100th anniversary of the start of ...
Quincy Mining Company Stamp Mills Historic District in 2010 Outline of stamping process at the Quincy stamp mill. The following is an incomplete list of stamping mills in the Copper Country of Michigan.