| Location | |
|---|---|
  Tambo de Oro  Tambo de Oro | |
| Location | Punitaqui |
| Region | Coquimbo Region |
| Country | Chile |
| Coordinates | 30°51′33.96″S71°13′43.46″W / 30.8594333°S 71.2287389°W |
| Production | |
| Products | Gold |
| Owner | |
| Company | HMC Gold |
The Tambo de Oro is an underground gold mine located in Coquimbo Region in north-central Chile. More precisely it lies near the Pacific in the commune of Punitaqui in the mining district of Punitaqui. The mine is operated by HMC Gold, a subsidiary of Haldeman Mining. In December 2021 the mine obtained permission from the Environmental Assessment Service to extend its operations for seven more years. [1] In addition, the mine was allowed in increase its monthly average production from 15,000 to 15,317 metric tons. [1] The mine has been required to install private security system after it was declared a "strategic enterprize" by the Ministry of the Interior in November 2023. [2] Haldeman Mining has disputed this designation in courts. [2]
In September 2020 two miners died as result of a rockfall in the mine. [3]
The mine produces gold ore concentrate from ores in the form of veins and breccias of Early Cretaceous age. [2] [4] The ores have characteristics that are both epithermal and mesothermal. [4]