Angangueo community vs Grupo Mexico, Michoacan, Mexico

Grupo Mexico announced reactivation of Angangueo mine using underground mining technologies to extract silver, zinc, lead and copper. This place hosts El Rosario sanctuary that is part of the Monarch Butterfly Biosphere Reserve.


The goal of Grupo Mexico is to reactivate silver, zinc, lead and copper underground mining in the hills surrounding the village. Here is the sanctuary of El Rosario, where each year receives the Monarch butterfly. the revival of the old underground mining in Angangeo (Michoacan) by the mining consortium Grupo Mexico would have therefore a significant environmental impact on biodiversity and also on water resources.

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Basic Data
NameAngangueo community vs Grupo Mexico, Michoacan, Mexico
Accuracy of LocationMEDIUM regional 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
Establishment of reserves/national parks
Tailings from mines
Mineral processing
Specific Commodities
Project Details and Actors
Project DetailsThe company announced the investment of approximately 130 million USD pesos for reviving Angangeo mine, which stopped working years for 22 years, when it was operated by Impelling Angangeo Mining (Imasa).

The technical study notes that Angangeo mine has reserves of 13 million tonnes identified with 0.16 g / t Au and 262 g / t Ag, and 0.79 percent Pb, 0.97 percent Cu and 3.5 percent Zn.

Grupo Mexico (that used to be Southern Peru Copper Corp.), has detected high potential in Angangueo, the level of classification as the fifth Most Important Mine That the group operating in the country.
Level of Investment (in USD)135,000,000
Type of PopulationRural
Potential Affected Population10,770
Start Date2011
Company Names or State EnterprisesGrupo México from Mexico
Relevant government actorsMéxico's government/ Secretaría de medio ambiente y recursos naturales (SEMARNAT)/ Secretaría de Economía (SE)/ Procuraduría Federal de Protección al Ambiente (PROFEPA). Secondary actors: Servicio Geológico Mexicano.
Environmental justice organisations and other supportersAngangueo community (Michoacan), Conservationist groups (Monarch butterfly)
The Conflict and the Mobilization
Intensity of Conflict (at highest level)MEDIUM (street protests, visible mobilization)
When did the mobilization beginMobilization for reparations once impacts have been felt
Groups MobilizingArtisanal miners
Industrial workers
Forms of MobilizationBlockades
Lawsuits, court cases, judicial activism
Objections to the EIA
Appeals/recourse to economic valuation of the environment
Environmental ImpactsVisible: Air pollution, Biodiversity loss (wildlife, agro-diversity), Loss of landscape/aesthetic degradation, Soil contamination, Soil erosion, Deforestation and loss of vegetation cover, Surface water pollution / Decreasing water (physico-chemical, biological) quality
Potential: Food insecurity (crop damage), Global warming, Noise pollution, Waste overflow, Groundwater pollution or depletion, Large-scale disturbance of hydro and geological systems, Reduced ecological / hydrological connectivity, Mine tailing spills
Health ImpactsPotential: Accidents, Exposure to unknown or uncertain complex risks (radiation, etc…), Violence related health impacts (homicides, rape, etc..) , Health problems related to alcoholism, prostitution, Occupational disease and accidents, Infectious diseases, Deaths
Socio-economic ImpactsVisible: Increase in Corruption/Co-optation of different actors, Violations of human rights, Land dispossession
Potential: Displacement, Increase in violence and crime, Lack of work security, labour absenteeism, firings, unemployment, Loss of livelihood, Loss of traditional knowledge/practices/cultures, Militarization and increased police presence, Social problems (alcoholism, prostitution, etc..), Specific impacts on women
Project StatusUnder construction
Pathways for conflict outcome / responseCompensation
Environmental improvements, rehabilitation/restoration of area
To emphasize conservation (against deforestation and mining) because the Monarch buttefly sanctuary of El Rosario is in Angangueo.
Also Angangueo was notified in 2012 as a Pueblo Mágico, for tourist attraction.
Development of AlternativesJust compensation for workers.

Conservation. Eco-tourism.
Do you consider this as a success?Not Sure
Why? Explain briefly.The labor dispute was not resolved and the environmental impacts continue.
Sources and Materials

Ley General del Equilibrio Ecológico y Protección al Ambiente, LEGEPA, 2005 /Ley inversión extranjera, 2001/ Ley Minera, 2006 / Reglamento de la Ley de Inversión Extranjera, 1998 / The North American Free Trade Agreement, TLC, 1994/ Article 27 of Mexican Constitution


Angangueo, 2012, Pueblo Magico
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The New York Times, A Mine vs. a Million Monarchs, by Dan Fagin, April 29, 2016
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Milenio, Fanny Miranda. 10.05.2016. Grupo México no usa permiso minero en reserva de la Monarca. La Semarnat dijo que la minera "tienen autorización de hace muchos años, pero no la han usado, porque la escala no es la que les conviene, esperan una más grande".
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El Despertar. Pedirán a expertos internacionales evaluar amenazas de proyecto minero. 23 noviembre 2017 .
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Descripcion de las inversiones previstas del Grupo Mexico en todo el mundo, incluido Angangueo.
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Media Links

Video. El caso de la minera de Angangueo. 2012
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Other Documents

Mariposa monarca
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Meta Information
ContributorResearch Group of Mining Landscapes in Mexico, Center for Research in Environmental Geography, National Autonomous University of Mexico, UNAM, Morelia´s campus.& Joan Martinez Alier
Last update08/09/2018