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Discovery and Exploration
Copper mining in southwestern was carried on sporadically since the end of the 19th century, and there are brief references in geographical literature of the time to copper occurrences in the general area of Toquepala and Cuajone. Narrow oxide and enriched sulfide veinlets were exploited on a very limited scale, but the desert nature and difficult accessibility of the area discouraged continued mining activities. Soon after the settlement of the border conflict between Peru and Chile in 1929, interest was renewed in the are and local residents started staking out mining claims. Prominent among these were Juan Oviedo Villegas (Toquepala) and Julio E. Gianella (Cuajone).
The Cuajone ore body is located in the Andes mountain range at 3500 to 3800 m elevation, 71 km from the Pacific Ocean in the Dept. of Moquegua in southern Peru. The deposit is sited 30 km northeast of the town of
Moquegua. Source: Daniel Rodriguez Hoyle in Surface mining by Bruce A. Kennedy, editor.
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