Global Volcanism Program | Image GVP-07674

A roadcut through the eastern rim of the Cerro Xalapasco tuff cone exposes pyroclastic-surge deposits. The road provides access to a quarry where perlite (hydrated obsidian) is mined. Cofre de Perote volcano rises on the distant horizon across the Serdán-Oriental basin. Photo by Lee Siebert, 1998 (Smithsonian Institution).

A roadcut through the eastern rim of the Cerro Xalapasco tuff cone exposes pyroclastic-surge deposits. The road provides access to a quarry where perlite (hydrated obsidian) is mined. Cofre de Perote volcano rises on the distant horizon across the Serdán-Oriental basin.

Photo by Lee Siebert, 1998 (Smithsonian Institution).

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Keywords: stratigraphy | outcrop | deposit

Serdán-Oriental