Pico de Orizaba

Pico de Orizaba, also called Citlaltépetl, is Mexico’s highest mountain and a dormant stratovolcano in the Trans-Mexican Volcanic Belt.

Stratovolcano: A steep-sided volcano built from successive layers of lava, ash, and other erupted material. Pico de Orizaba’s layered volcanic cone is characteristic of this volcano type.
Subduction: The process in which one tectonic plate descends beneath another into the mantle. Subduction beneath Mexico supplies the tectonic setting for volcanism in the belt.
Jamapa Glacier: A glacier on the upper slopes of Pico de Orizaba, historically the mountain’s largest remaining glacier. It is the principal ice feature encountered on the mountain’s standard northern climbing route.
Trans-Mexican Volcanic Belt volcanism: The volcanic activity that formed and continues to shape the central Mexican volcanic arc. This regional volcanism produced Pico de Orizaba’s volcanic structure.
Mountaineering: The sport and practice of ascending mountains using hiking, climbing, and alpine skills. Pico de Orizaba is a major high-altitude mountaineering destination in Mexico.
Trans-Mexican Volcanic Belt: A volcanic arc crossing central Mexico, formed above the subduction of oceanic plates beneath North America. The mountain is one of the belt’s major volcanic peaks.
Volcanic eruption: The release of magma, gases, and fragmented material from a volcano onto or above Earth’s surface. Eruptions built the mountain and have altered its summit through time.
Pico de Orizaba National Park: A protected area in Mexico established around Pico de Orizaba and its surrounding highland ecosystems. The park protects the mountain’s summit environment and adjacent forests.
Cofre de Perote: A prominent volcanic mountain in Veracruz, west of Pico de Orizaba. It is a neighboring peak in the same highland volcanic landscape.
High-altitude acclimatization: The physiological adjustment to reduced oxygen availability during gradual exposure to high elevations. Climbers use acclimatization to reduce the risks of ascending the summit.

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