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Nevado Sajama ([neˈβaðo saˈxama]; Aymara: Chak Xaña) is an extinct volcano and the highest peak in Bolivia. The mountain is located in Sajama Province, in Oruro Department. It is situated in Sajama National Park and is a composite volcano consisting of a stratovolcano on top of several lava domes.
Socompa is a 6,051-metre-high (19,852 ft) [b] [c] [27] composite volcano [4] consisting of a central cone and several lava domes; [28] it is the most voluminous conical volcano of the Central Volcanic Zone [29] and one of the highest edifices there, rising more than 2 kilometres (1.2 mi) above the surrounding terrain. [30]
English: PDF of a 3D model of a volcano. The PDF can be printed, cut out, and glued together. This is the color version. The USGS also has a Black and White version.
A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers of hardened lava and tephra. [1] Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and explosive eruptions. [2] Some have collapsed summit craters called calderas. [3]
A volcanic fissure and lava channel with lava fountain Channel of lava erupted during a fissure eruption of Kīlauea volcano, Hawaii, 2007 Eruption fissure with spatter cones, Holuhraun, Iceland, 2014 Mauna Loa with different lava flows and fissure vent A volcanic fissure eruption on Fagradalsfjall, Iceland, 2021 Crater row of Laki Eldhraun, a lava field produced by the Laki craters Cinder ...
[8] [13] [14] A northerly-trending, elliptical, shield volcano consisting of multiple flat-lying lava flows forms the plateau which is capped with several smaller volcanic structures of the complex. Four central volcanoes of felsic [ a ] composition overlie the plateau, the highest of which is Mount Edziza with an elevation of 2,786 metres ...
The volcano formed during the Pleistocene epoch, about one million years ago, and since the most recent ice age, it has produced some of the largest and most explosive eruptions in the state. When continental ice sheets retreated from the region, Glacier Peak began to erupt regularly, erupting explosively five times in the past 3,000 years.
It consists mainly of volcanic rocks that form the largest remnant of a major composite volcanic field that covered most of the southern Rocky Mountains in the Middle Tertiary geologic time. [1] There are approximately fifteen calderas known in the San Juan Volcanic Fields; however, it is possible that there are two or even three more in the ...