Laguna del Desierto incident 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 as irreconcilable and previous authorization of both governments draw a boundary between the extreme pretensions of the litigants. In the
Laguna del Maule (volcano) part of the field, as well as rhyolitic and () 2,000 years ago in the eastern and southwestern parts of the field, respectively. Other proposed dates are 23,000 years ago for the Espejos rhyolite, 14,500 years ago for the Cari Launa rhyolite, 6,400 and 3,900 years ago for the Barrancas complex and 2,200 years ago for the Colada Divisoria. Undated postglacial units are andesitic () scoria cone and lava flow just west of Laguna del Maule, andesitic on the southeastern shore of Laguna del Maule, rhyolitic at Laguna del Maule and rhyodacitic in the western part of the field. This