volcanology, a pyroclastic shield or ignimbrite shield is an uncommon type of shield volcano. Unlike most shield volcanoes, pyroclastic shields are formed...
3 KB (225 words) - 09:41, 23 September 2023
volcanic matter Pyroclastic Peak, a volcanic peak south of Mount Cayley in British Columbia, Canada Pyroclastic shield, an uncommon type of shield volcano formed...
1 KB (161 words) - 11:56, 1 June 2024
basaltic shields, it has also at times been applied to rarer scutiform volcanoes of differing magmatic composition—principally pyroclastic shields, formed...
38 KB (4,313 words) - 03:03, 20 April 2025
volcano Guyot Lava cone Lava dome Mud volcano Pancake dome Pyroclastic cone Pyroclastic shield Shield volcano Stratovolcano Subglacial mound Submarine volcano...
3 KB (200 words) - 04:12, 1 September 2024
Rabaul caldera (category Pyroclastic shields)
688-metre-high asymmetrical pyroclastic shield, are formed by thick pyroclastic flow deposits. There is no sign of a pyroclastic shield along the rim of the...
12 KB (1,254 words) - 05:14, 26 January 2025
Sacabaya (category Pyroclastic shields)
pyroclastic shield in Bolivia. It is located on the Altiplano near to the Rio Lauca. The volcano is composed of ignimbrite, which has formed a shield...
2 KB (198 words) - 19:08, 25 October 2024
Orogeny – The formation of mountain ranges Pyroclastic shield – Shield volcano formed mostly of pyroclastic and highly explosive eruptions This article...
31 KB (3,390 words) - 17:39, 4 June 2025
were tapped as the eruption progressed. Pyroclastic flow Pyroclastic rock Pyroclastic surge Pyroclastic shield volcano Cas, R. A. F.; Wright, J. V. (1988)...
5 KB (643 words) - 10:21, 28 May 2025
Emi Koussi (category Pyroclastic shields)
Emi Koussi (also known as Emi Koussou) is a high pyroclastic shield volcano that lies at the southeast end of the Tibesti Mountains in the central Sahara...
26 KB (3,034 words) - 06:46, 1 June 2025
is on the edge of the Rabaul caldera, a flooded caldera of a large pyroclastic shield volcano. Rabaul was planned and built around the harbour area known...
21 KB (2,232 words) - 03:44, 11 June 2025
formed by collapse of the surface into a void Pyroclastic shield – Shield volcano formed mostly of pyroclastic and highly explosive eruptions Resurgent dome –...
28 KB (8,268 words) - 22:13, 21 December 2024
Apoyeque (category Pyroclastic shields)
Apoyeque is a pyroclastic shield, located in the Chiltepe Peninsula Natural Reserve in Nicaragua. It has a 2.8-km wide, 400-m-deep, lake-filled caldera...
4 KB (373 words) - 15:31, 7 August 2024
Ambrym (category Pyroclastic shields)
250°S 168.117°E / -16.250; 168.117 Geography Ambrym Vanuatu Geology Mountain type Pyroclastic shield Volcanic arc New Hebrides arc Last eruption 2022...
11 KB (921 words) - 17:11, 25 February 2025
Billy Mitchell (volcano) (category Pyroclastic shields)
Billy Mitchell is a pyroclastic shield, an uncommon type of volcano in the central part of the island of Bougainville, just north-east of the Bagana Volcano...
5 KB (403 words) - 16:47, 17 June 2025
Loloru (category Pyroclastic shields)
Loloru is a pyroclastic shield volcano located in the southern region of Bougainville Island, within the Autonomous Region of Bougainville of northeastern...
2 KB (116 words) - 05:31, 18 October 2024
volcanoes. It conforms the north eastern extreme of the Purico Complex, a pyroclastic shield made up by several stratovolcanoes, lava domes and a maar. Cerro Toco...
3 KB (151 words) - 23:45, 8 April 2025
Volcanic plateau (redirect from Pyroclastic plateau)
produced by volcanic activity. There are two main types: lava plateaus and pyroclastic plateaus. Lava plateaus are formed by highly fluid basaltic lava during...
4 KB (367 words) - 03:32, 5 September 2024
Volcanic cone (redirect from Pyroclastic cones)
explosively erupted pyroclastic rocks, and igneous intrusives that are typically centered around a cylindrical vent. Unlike shield volcanoes, they are...
15 KB (1,930 words) - 18:52, 10 June 2025
Masaya Volcano (category Pyroclastic shields)
Las Sierras shield volcano and caldera. Within this caldera lies a sub-vent, which is Masaya Volcano sensu stricto. The vent is a shield type composed...
10 KB (1,184 words) - 10:43, 8 June 2025
This list of shield volcanoes includes active, dormant and extinct shield volcanoes. Shield volcanoes are one of the three types[specify] of volcanoes...
7 KB (639 words) - 03:35, 25 January 2025
Purico complex (category Pyroclastic shields)
a shield shaped volcanic structure consisting of the Purico ignimbrite and a number of secondary volcanoes that are emplaced on this volcanic shield. During...
51 KB (6,182 words) - 17:10, 9 June 2025
Laguna Colorada (caldera) (category Pyroclastic shields)
22.250°S 67.500°W / -22.250; -67.500 Laguna Colorada is an ignimbrite shield of the Altiplano-Puna volcanic complex at an altitude of 5,000 metres (16...
8 KB (877 words) - 01:42, 7 May 2025
Cerro Panizos (category Pyroclastic shields)
Panizos (Spanish: [ˈse.ro paˈni.sos], "Maize Hill") is a late Miocene-age shield-shaped volcano spanning the Potosi Department of Bolivia and the Jujuy Province...
42 KB (5,085 words) - 01:17, 3 June 2025
Tata Sabaya (category Pyroclastic shields)
neighbouring summits. The earliest activity at Tata Sabaya constructed a pyroclastic shield, which crops out as a 20-metre (66 ft) thick sequence of block-and-ash...
19 KB (2,186 words) - 08:29, 9 June 2025
Tocomar (category Pyroclastic shields)
runs diagonally across the volcanic arc. Tocomar has generated several pyroclastic flows during the Pleistocene as well as phreatic-phreatomagmatic activity...
30 KB (3,445 words) - 16:40, 10 March 2025
Newberry Volcano (category Pyroclastic cones)
is typical of a shield volcano. However, it is also considered a composite volcano, made up of a matrix of lava flows and pyroclastic deposits. Unlike...
62 KB (7,488 words) - 05:19, 19 February 2025
Volcano (section Shield volcanoes)
as well as pyroclastic surges like the one that destroyed the city of Saint-Pierre in Martinique in 1902. They are also steeper than shield volcanoes,...
98 KB (10,935 words) - 00:44, 29 May 2025
landform of loose pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are...
15 KB (1,808 words) - 02:16, 16 June 2025
Nindirí and Masaya lie within the massive Pleistocene Las Sierras pyroclastic shield volcano. There are two peaks in the Colima volcano complex: Nevado...
65 KB (4,457 words) - 03:27, 26 May 2025
Mount Mazama (category Shield volcanoes of the United States)
1 and 9.1 m) in thickness. Ash clouds also rose up from the pyroclastic flows. Pyroclastic flows also moved to the east, reaching more than 25 miles (40 km)...
84 KB (10,704 words) - 06:17, 3 June 2025