Pyroclast, Pyroclastic or Pyroclastics may refer to:
Geology
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Pyroclast
Tephra is fragmental material produced by a Volcano, volcanic eruption regardless of composition, fragment size, or emplacement mechanism.
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground, ...
, or airborne volcanic tephra fragments
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Pyroclastic rock
Pyroclastic rocks are clastic rocks composed of rock fragments produced and ejected by explosive volcanic eruptions. The individual rock fragments are known as pyroclasts. Pyroclastic rocks are a type of volcaniclastic deposit, which are deposit ...
, rock fragments produced and ejected by explosive volcanic eruptions
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Pyroclastic cone
Volcanic cones are among the simplest volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volcanic cones are of different types, depending upon the nature and s ...
, landform of ejecta from a volcanic vent
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Pyroclastic fall
A pyroclastic fall deposit is a uniform deposit of material which has been ejected from a volcanic eruption or plume such as an ash fall or tuff. Pyroclastic fallout deposits are a result of:
# Ballistic transport of ejecta such as volcanic bloc ...
, a uniform deposit of material ejected from a volcanic eruption
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Pyroclastic flow
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of b ...
, a fast-moving current of hot gas and volcanic matter
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Pyroclastic Peak
Pyroclastic Peak is the second highest of the five named volcanic peaks immediately south of Mount Cayley in British Columbia, Canada. It is steep and rotten and is located southwest of Callaghan Lake and west of Whistler. It is part of the ...
, a volcanic peak south of Mount Cayley in British Columbia, Canada
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Pyroclastic shield
In volcanology, a pyroclastic shield or ignimbrite shield is an uncommon type of shield volcano. Unlike most shield volcanoes, pyroclastic shields are formed mostly of pyroclastic and highly explosive eruptions rather than relatively fluid basalt ...
, an uncommon type of shield volcano formed mostly of pyroclastic and highly explosive eruptions
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Pyroclastic surge
A pyroclastic surge is a fluidised mass of turbulent gas and rock fragments that is ejected during some volcanic eruptions. It is similar to a pyroclastic flow but it has a lower density or contains a much higher ratio of gas to rock, which makes i ...
, a mass of turbulent ash and gas that occurs in some volcanic eruptions
Other
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''Pyroclasts'' (album), 2019 instrumental album by Sunn O)))
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''Pyroclastics'' (album), 1992 album by Birdsongs of the Mesozoic
See also
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Pyro (disambiguation)
Pyro comes from the Greek word πῦρ (pyr), meaning ''fire''. It may refer to:
Businesses
* Pyro Plastics Corporation, a plastic model kit maker 1940s through the 1970s
* Pyro Studios, a computer game developer based in Madrid
* NRK P3 Pyro, a ...
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Volcanic ash
Volcanic ash consists of fragments of rock, mineral crystals, and volcanic glass, produced during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter. The term volcanic ash is also often loosely used to r ...
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