Laguna del Desierto incident violence in order to obtain control of the zone and political preponderance of the force. American historian William Sater states: Laguna del Desierto incident The Laguna del Desierto incident, in Argentina called also Battle of Laguna del Desierto, occurred between four Chilean Carabineros and between 40 and 90 members of the Argentine Gendarmerie and took place in zone south of O'Higgins/San Martín Lake on 6 November 1965, resulting in one lieutenant killed and a sergeant injured, both members of Carabineros, creating a tense atmosphere between Chile and Argentina. The British award of 1903 considered the demands of Chile and Argentina
Laguna del Maule (volcano) structures in the volcanic field, Domo del Maule lava dome is of rhyolitic composition and generated a northward flowing lava flow that dammed the Laguna del Maule. This lava flow is joined by other lava flows from the , a small cone in the southwestern sector of the volcanic field; the lavas of this cone however are andesitic and basaltic. is a large long lava flow of acidic rocks in the northern sector of the volcanic field, close to the outlet of Laguna del Maule. This flow contains obsidian and vitrophyre and crystals within the flow reflect the sunlight. The