Trayectorias militantes, izquierda y política sindical: la intervención del MAS en Sierra Grande a través de las vivencias de un obrero minero, Patagonia Argentina (1988-1991).

The aim of this paper is to describe how the life of a mine worker, his work history, its militancy, and its participation in the resistance to the privatization of HIPASAM mine intersect (Sierra Grande, Patagonia Argentina). These aspects allow to discuss and analyze the modes of political commitment, the type of militant organizations and the historical context where unfold. Oral testimony, publications leftist organizations and unpublished manuscripts are used to reconstruct the workers' resistance in HIPASAM and the unexplored derived from the MAS (Movement Toward Socialism). [ABSTRACT FROM AUTHOR]