Tres Valles, Coquimbo, Chile


El proyecto minero Tres Valles involucra la explotación de dos minas, una subterránea, Papamono y una a tajo abierto, Don Gabriel, ubicadas en las comunas de Illapel y Salamanca, respectivamente. Más la compra de mineral a terceros, para alimentar una planta de procesamiento a razón de 5.000 t/día aprox.

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Basic Data
NameTres Valles, Coquimbo, Chile
SiteSalamanca e Illapel
Accuracy of LocationHIGH local level
Source of Conflict
Type of Conflict (1st level)Mineral Ores and Building Materials Extraction
Type of Conflict (2nd level)Water access rights and entitlements
Mineral ore exploration
Tailings from mines
Specific Commodities
Project Details and Actors
Project Detailsmina a cielo abierto mina subterránea vida útil 11 años 18.500 toneladas de cátodos de cobre producción anual método de lixiviación en pilas 200.000 ton. de cobre
Level of Investment (in USD)200000000
Type of PopulationSemi-urban
Potential Affected Population1500
Start Date2007
Company Names or State EnterprisesVale S.A. (Vale) from Brazil - formerly named Companhia Vale do Rio Doce (Brazil)
Vecchiola from Chile
Relevant government actorsComisión Regional del Medio Ambiente COREMA
The Conflict and the Mobilization
Intensity of Conflict (at highest level)MEDIUM (street protests, visible mobilization)
When did the mobilization beginIn REACTION to the implementation (during construction or operation)
Groups MobilizingFarmers
Local ejos
Forms of MobilizationDevelopment of a network/collective action
Media based activism/alternative media
Official complaint letters and petitions
Public campaigns
Environmental ImpactsPotential: Air pollution, Desertification/Drought, Food insecurity (crop damage), Soil contamination, Soil erosion, Waste overflow, Surface water pollution / Decreasing water (physico-chemical, biological) quality, Groundwater pollution or depletion, Large-scale disturbance of hydro and geological systems, Mine tailing spills
Socio-economic ImpactsVisible: Increase in Corruption/Co-optation of different actors
Potential: Displacement, Increase in violence and crime, Lack of work security, labour absenteeism, firings, unemployment, Loss of livelihood, Militarization and increased police presence, Violations of human rights, Land dispossession
Project StatusIn operation
Pathways for conflict outcome / responseCorruption
Application of existing regulations
Do you consider this as a success?Not Sure
Why? Explain briefly.Project is ongoing
Sources and Materials

Observatorio de Conflictos Mineros de América Latina OCMAL

Ana Leyton, Crónica de una muerte anunciada para las tres comunidades del Choapa afectadas por el proyecto Tres Valles,

Instituto Nacional de Derechos Humanos INDH

Periódico El Salamanquino


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Meta Information
ContributorPatricio Chávez, JMA y Talia Waldron
Last update08/04/2014