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The world's largest known dacite flow is the Chao dacite dome complex, a huge coulée flow-dome between two volcanoes in northern Chile. This flow is over 14 kilometres (8.7 mi) long, has obvious flow features like pressure ridges, and a flow front 400 metres (1,300 ft) tall (the dark scalloped line at lower left). [ 15 ]
Lava domes are common features on volcanoes around the world. Lava domes are known to exist on plate margins as well as in intra-arc hotspots, and on heights above 6000 m and in the sea floor. [1] Individual lava domes and volcanoes featuring lava domes are listed below.
Big Southern Butte is the largest and youngest (300,000 years old) of three rhyolitic domes formed over a million years near the center of the Eastern Snake River Plain in the U.S. state of Idaho. [5] It is one of the largest volcanic domes on earth. [4]
Marysville Buttes (Sutter Buttes) Gas Field Geologic map Marysville Buttes (Sutter Buttes) Gas Field Geologic Cross Section with 3x vertical exaggeration. The Sutter Buttes (Maidu: Histum Yani or Esto Yamani, Wintun: Olonai-Tol, Nisenan: Estom Yanim) are a small circular complex of eroded volcanic lava domes which rise as buttes above the flat plains of the Sacramento Valley in Sutter County ...
The highest point in the caldera is Redondo Peak, an 11,254-foot (3,430 m) resurgent lava dome located entirely within the caldera and surrounded by moat-like flows of rhyolitic solidified lavas. [5] Located within the caldera are several grass valleys , or valles , the largest of which is Valle Grande ( locally / ˈ v aɪ . eɪ ˈ ɡ r ɑː n ...
The Mount Edziza volcanic complex is a linear group of volcanoes in northwestern British Columbia, Canada. [8] [9] It is about 65 kilometres (40 miles) long and 20 kilometres (12 miles) wide, consisting of several stratovolcanoes, shield volcanoes, subglacial volcanoes, lava domes and cinder cones.
Indonesia’s Mount Ruang volcano erupted Tuesday for a second time in two weeks, spewing ash almost 2 kilometers (more than a mile) into the sky, closing an airport and peppering nearby villages ...
Mount Scenery (pronounced like the word 'scenery') is a dormant volcano in the Caribbean Netherlands.Its lava dome forms the summit of the Saba island stratovolcano.At an elevation of 870 m (2,854 ft), [1] it is the highest point in both the Kingdom of the Netherlands, and, since the dissolution of the Netherlands Antilles on 10 October 2010, the highest point in the Netherlands proper.