Mexico and Central America

COLUMBIA METALSThe leach pad at the Lluvia de Oro mine in Sonora state, Mexico, with the leach plant in the background. Large run-of-mine boulders were placed on the pad by previous operators without crushing.

Columbia Metals expects Lluvia production this year

The 1990s weren’t kind to some low-grade gold projects, and one of those was the Lluvia de Oro mine in northwestern Sonora state, Mexico. It operated for less than three years under two owners, and se…






Stephen Stakiw

Tyler Pulls More Holes at Bahuerachi

Eight recent reverse-circulation holes drilled by Tyler Resources (TYS-V, TYRRF-O) at the Bahuerachi copper deposit in southwestern Chihuahua state, Mexico, have returned long intersections of mineral…








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