The areas of Ninu 1, Ninu 2 and María Inés exploration generated the concern of the agricultural communities of the UCO Valley before the progress of mining companies. The exploration areas are located in Valle de Uco, and were arrested by the neighbors of San Carlos, Tunuyán and Tupungato, which organized in Assemblies alerted these exploration sites, in 2008, and increased the provincial executive power (especially the secretariat of the environment) for not reporting these mining activities.

The UCO valley area was the first to reject metalliferous mining projects in Mendoza, since 2005. Creativity, The participation of the entire population and peaceful demonstrations characterized the actions of the autoconvocados of the Uco Valley. That is why the marches filled with allusive costumes are common; Explanatory detentions of vehicles in the route cuts; The use of symbolic actions with the aim of adding and not to separate. An example is when they installed piles or swimming pools in the middle of the national route 40, and the children in the area bathed and played in them. The route court was held at the beginning of 2008, and was promoted this time by the self-linked Tunuyan, who were alerted before certain mining activities in the Ninus and María Inés projects area. They participated in this court neighbors of San Carlos and Tupungato, as well as of the Great Mendoza. "Faced with the possible exploration in the department of Tunuyan, we care more, it was not only San Carlos".

"Mendoza, Argentina - 01/15/08. Claims began on Sunday afternoon in Pareditas (San Carlos) and continued yesterday at Tunuyan. There, some 2 thousand people cut Route No 40, right at the entrance to the Department . Also at the door of the provincial legislature there was a concentration and, in a planver, more than 7 thousand firms joined a petition that will be delivered to Governor Celso Jaque and the Secretary of the Environment, Guillermo Carmona. The mayor of San Carlos , Jorge Diffonso, was presented before the Secretariat of the Environment of the Province to question "all mining activity tending to open-pitched exploitation that in its extractive methodology includes leaching with chemicals." ... According to the members of different environmental NGOs , the mining entrepreneurship (located on the limit between Tunuyan and San Carlos) that is attempting to stop is the one that carries out the foreign company Anglo America (gold and copper), which already presented a study to the Government of environmental impact that days ago he reached the Commune SanCarlina. Once you find out about the situation, the neighbors decided to re-join forces and repeat the fight. "(1).