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Article: The Millotingo mine
- Article from:
- Mineralogical Record
- Article date:
- July 1, 1997
- Author:
CopyrightCopyright Mineralogical Record Jul/Aug 1997. Provided by ProQuest LLC. (Hide copyright information)
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Huarochiri Province Lima Department
LOCATION
The Millotingo mine is located a few kilometers southwest of Casapalca, midway between the Pacococha mines and the Casapalca mines. The Pacococha Cu-Pb-Zn district is a short distance to the southwest. Millotingo is considered by Ly and Arce (1965) to be part of the Pacococha district.
HISTORY
In production since about 1958, the Millotingo mine is a rich but small silver mine whose ore is largely composed of silver-bearing sulfosalts. In recent years ore grades have dropped substantially, and since 1987 the company has been operating at a loss. In March of 1991 the phone lines to the mine were out, workers were being paid late, and morale was ...