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A shield volcano is a type of volcano named for its low profile, resembling a shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more viscous lava erupted from a stratovolcano.
Loloru is a pyroclastic shield volcano located in the southern region of Bougainville Island, within the Autonomous Region of Bougainville of northeastern Papua New Guinea. The volcano's summit consists of two nested calderas , with an andesitic lava dome .
Mount Thielsen (Klamath: hisc’akwaleeʔas), [4] is an extinct shield volcano in the Oregon High Cascades, near Mount Bailey. Because eruptive activity ceased 250,000 years ago, glaciers have heavily eroded the volcano's structure, creating precipitous slopes and a horn-like peak. The spire-like shape of Thielsen attracts lightning strikes and ...
Mount Warning is the central volcanic remnant of an ancient shield volcano, the Tweed Volcano, which would have been about 1,900 m (6,200 ft) above sea level or just under twice the height of the current mountain. [5][6] This volcano last erupted around 23 million years ago. [7] As the mountain's central vent cooled it shrank, forming a ...
Mount Giluwe is the second highest mountain in Papua New Guinea at 4,367 metres (14,327 ft) (Mount Wilhelm being the highest), and the fifth highest peak on the island of New Guinea. It is located in the Southern Highlands province and is an old shield volcano with vast alpine grasslands. Ancient volcanic plugs form its two summits, with the ...
Wrangell was the first high volcano in the Wrangell range to be climbed. Its summit can be visited by ski-equipped airplane. [5] Mount Wrangell and Mount Zanetti from Willow Lake at 1600 ft (500m). Although Mount Wrangell rises over 12,000 ft (3700 m) above this viewpoint, its great height is masked by the extreme width of its shield-like form.
The volcano's location corresponds to the classical albedo feature Ascraeus Lacus.. Ascraeus Mons was discovered by the Mariner 9 spacecraft in 1971. The volcano was originally called North Spot [2] because it was the northernmost of only four spots visible on the surface due to a global dust storm that was then enshrouding the planet.
S. Shield volcanoes of Papua New Guinea (4 P) Stratovolcanoes of Papua New Guinea (32 P)