Ollague Images

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ollague topo

Topographic map of Ollague and the surrounding region.


ollague land view

18.2 View of Ollague from the south west, showing young lava dome complex at right; older massif at left rear. Foreground is composed of ichu grass covered débris avalanche deposits. Conspicuous fumarole is developed in young summit dacite dome. Snouts of dacite lavas on steep slopes have been sources of extensive hot avalanche deposits.


ollague geological map

18.3. Geological sketch map of Ollague volcano, drawn from air photos and 1969 fieldwork by P.W. Francis et al.


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