Tia Maria mine

Last updated
Tia Maria Copper Deposit
Tia Maria mine
Interactive map of Tia Maria Copper Deposit
Location
Arequipa Region
Country Peru
Production
Products Copper
Owner
Company Southern Copper Corporation

The Tia Maria mine is a large copper deposit located in the south of Peru in the province of Islay, Arequipa Region. The deposit contains an estimated total reserves 711 million tonnes of ore graded at 0.36% copper. [1] The project is operated by Southern Peru Copper Corporation.

Contents

After years of delays due to local resistance, the Ministry of Energy and Mines approved the mining license in October 2025 [2] .

Protests

From the beginning, the local community have resisted the arrival of the mine which triggered state repression.

In 2011, UNOPS reviewed the Environmental Impact Assessment and found 135 observations. One of the gravest observations was the missing of a hydrogeological study into the effects the mining operation has on water in the area. The government wanted to ignore the found deficiencies which sparked large scale protests. [3] The state send a large police force that resulted in violent protests which led to the deaths of three people. Concerns about the impact on agriculture led to the project's being put on hold. [4] [5]

A revised Environmental Impact Assessment by Geoservice Ingeniería for Southern Copper Corporation was approved in August 2014. [6] [7]

A new round of protests began in March 2015, including a march of eight hundred people. Many people were injured, and, by May, three more people had died during the protests, including a construction worker and a policeman. [8] [5] [4]

Protest background

Due to the presence of the Tambo River, the region is used often for agriculture. The main opposition comes down to 3 reasons: [9]

See also

References

  1. "Copper mines" (PDF). southernperu.com. 2011. Retrieved 2013-07-06.
  2. "Southern Copper's $1.8B Tía María mine gets green light". MINING.COM. 2025-10-21. Retrieved 2025-12-26.
  3. "Peru's Tia Maria Mining Conflict: Another Mega Imposition". upsidedownworld.org. 2015-06-12. Retrieved 2025-12-26.
  4. 1 2 "Peru to negotiate with locals over the $1.4bn Tia Maria copper project". mining-technology.com. Retrieved 14 June 2015.
  5. 1 2 Taj, Mitra (22 April 2015). "Peruvian foes of Tia Maria copper mine expand month-long protest". Reuters. Retrieved 9 May 2015.
  6. "EIA Services". Digiscend.com. 2014. Retrieved 2014-10-23.
  7. "Tia Maria Copper Mine, Peru". Digiscend.com. 2014. Retrieved 2014-12-12.
  8. "Peru: Troops deployed after deaths in Tia Maria mine protests". BBC News. 9 May 2015. Retrieved 9 May 2015.
  9. Dunlap, Xander (2024). This system is killing us. Pluto press. pp. 100–130. ISBN   9780745348827.

17°00′47″S71°46′17″W / 17.0131°S 71.7713°W / -17.0131; -71.7713