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The Valles Caldera (or Jemez Caldera) is a 13.7-mile (22.0 km) wide volcanic caldera in the Jemez Mountains of northern New Mexico. [1] Hot springs , streams, fumaroles , natural gas seeps, and volcanic domes dot the caldera landscape. [ 4 ]
Oct 17, 2024 · About 1.2 million years ago, a spectacular volcanic eruption created a 14-mile-wide circular depression in the earth now known as Valles Caldera. The preserve is known for its huge mountain meadows, abundant wildlife, and meandering streams. The area also preserves the homeland of ancestral native peoples and embraces a rich ranching history.
May 29, 2023 · Landsat-7 satellite image of Jemez Mountains and Valles Caldera, New Mexico. The Valles and Toledo Caldera margins are approximated by dashed yellow lines, and the resurgent dome and lava domes are labeled. The Banco Bonito lava flow is the youngest in the region at 68,000 years old. The town of Los Alamos is located just east of the caldera.
The Valles caldera-forming eruption occurred approximately 1.25 million years ago when huge volumes of Bandelier tuff were explosively evacuated from a underground magma storage region. As a result of the "supereruption," the ground subsided along a network of nearly circular faults, called a ring fracture , leaving the caldera, a 20 x 23 km (12 x 14 mi) depression.
The Valles Caldera Trust was a wholly-owned government corporation overseen by a board of trustees appointed by the president of the United States. Through the Valles Caldera Trust, the U.S. Congress sought to evaluate the efficiency, economy, and effectiveness of decentralized public land management and ecosystem restoration.
Oct 20, 2023 · Valles Caldera National Preserve is located in the Jemez Mountains of north-central New Mexico. This 88,900-acre park encompasses almost all of the volcanic caldera created by a spectacular volcanic eruption about 1.2 million years ago. The caldera is dormant, but not extinct, and still displays signs of volcanic life with hot springs and ...
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Jun 11, 2007 · The Valles Caldera National Preserve is one of New Mexico’s natural wonders and a popular area for public recreation, sustainable natural resource production, and scientific research and education. Here, we provide a concise overview of the natural and cultural history of the Preserve, including descriptions of the ecosystems, flora and fauna.
